Daniel manages engineering at a 35-person startup. When the company was 12 people, Slack was the obvious choice: cheap on the free tier, everyone already had an account, and the integrations with GitHub and Jira worked out of the box. Three years later the team has grown to 35, they are on the Pro plan at $7.25/user/month, and Daniel spends part of every Monday trying to explain to the CFO why the communication tool costs more per month than their AWS bill. The math is not hard: 35 users at $7.25 is $253.75/month, which will be $362.50/month when they hit 50 people in Q3. The CFO has noticed that the engineering team is also paying for Microsoft 365 through the company's enterprise agreement, which includes Microsoft Teams. Nobody is using Teams. The company is paying for two team chat platforms and using one.
That is a common situation. The more common situation is not the cost argument but the culture argument. The same Daniel would tell you, if you asked him directly, that Slack has made his team worse at deep work. The green presence dots are a subtle form of surveillance. The expectation that a message should receive a reply within 15 minutes is not written anywhere but is understood by everyone. Three engineers on his team have told him independently that they disable Slack notifications for blocks of time to get actual work done, which means Slack is simultaneously the required communication tool and a distraction they protect themselves from. That tension is the real reason teams look for alternatives.
Slack is not a bad product. It is a product designed to maximize message volume and responsiveness, which is good for some workflows and actively harmful for others. The alternatives below serve different communication philosophies, and the right choice depends on which philosophy matches how your team actually does its best work.
"The speed of your communication tool shapes the speed your team thinks it needs to communicate."
Why People Look for Slack Alternatives
Slack is the market-defining product in team chat. It created the category, established the norms -- channels, threads, emoji reactions, integration bots -- and remains the tool against which all competitors are measured. The reasons to look elsewhere are specific and worth articulating clearly.
Cost for growing teams. Slack Free limits message history to 90 days and allows only 10 integrations. Beyond those limits, Pro is $7.25/user/month and Business+ is $12.50/user/month. For a 20-person team on Pro, that is $1,740/year. For a 100-person team on Business+, that is $15,000/year. Microsoft Teams and Google Chat provide comparable real-time messaging for organizations already paying for those productivity suites at no additional per-seat cost.
Notification culture and constant interruption. Slack's design creates and rewards an always-on communication culture. Unread message counts are visible. Presence status is displayed in real time. The default notification settings ping users for every direct message and every @mention. Organizations that adopt Slack often report -- anecdotally and in formal studies -- that sustained focus work becomes harder after adoption because the social norm of rapid responsiveness is enforced by the tool itself.
Message history limits on the free tier. The 90-day history limit means that important decisions, context, and reference material disappear from search. Organizations that do meaningful work in Slack channels and expect to reference that work later encounter this limitation as a genuine problem.
Salesforce ownership concerns. Salesforce acquired Slack in 2021 for $27.7 billion. For organizations with strong data governance requirements, this created questions about how communication data is stored, used, and potentially accessible. Self-hosted alternatives like Mattermost and Rocket.Chat address this concern directly.
Channel proliferation at scale. Organizations with hundreds of Slack channels report that information becomes impossible to find and that people default to direct messages rather than channels because navigating the channel list is too cumbersome. The channel model that works well at 15 people becomes difficult to manage at 150.
Microsoft Teams
Microsoft Teams is the most used team communication platform in the world by seat count, primarily because it is included in Microsoft 365 subscriptions at no additional cost for hundreds of millions of business users.
Features: Team channels with threaded conversations. Chat messages with rich formatting, reactions, and file sharing. Video meetings integrated with Outlook calendar -- scheduling a Teams meeting from Outlook takes one click. Real-time co-authoring of Word, Excel, and PowerPoint documents inside the chat interface. SharePoint-backed file storage in channels. Phone system integration with Microsoft Teams Phone. App integrations with major enterprise software. Advanced compliance features including eDiscovery, retention policies, and audit logging at Business Premium and above.
Pricing: Free tier (60-minute meeting limit, 5GB storage). Microsoft 365 Business Basic $6/month/user (includes Exchange email, SharePoint, Teams). Business Standard $12.50/month/user. Business Premium $22/month/user.
Pros vs Slack: For Microsoft 365 users, Teams is already paid for. The integration with Outlook, SharePoint, OneDrive, and Office apps is seamless in a way no third-party tool can replicate. Enterprise compliance features are more developed than Slack's at standard pricing tiers. Teams Rooms hardware provides integrated video conferencing for physical meeting rooms.
Cons vs Slack: The interface is denser and less refined than Slack. Search quality is lower. The app is slower and heavier than Slack's desktop client. Teams Connect (shared channels with external organizations) is less polished than Slack Connect. The tool tries to do too many things -- meetings, calling, chat, files -- and the result can feel cluttered.
Best for: Organizations already using Microsoft 365. Enterprises with compliance requirements. Any organization where eliminating per-seat chat costs is a priority and the Microsoft ecosystem is already in place.
Discord
Discord built its product for gaming communities but has been adopted by developer teams, startup communities, and remote-first organizations that value its always-on voice channel model and free pricing.
Features: Server-based organization with text channels, voice channels, and video channels. Voice channels are persistent -- team members join and leave like a virtual office, with spatial audio showing who is speaking. Screen sharing in video calls. Thread replies within channels. Roles and permission system for controlling access. Forum channels for longer, more structured discussions. Up to 25MB file uploads on free, 500MB with Nitro. Excellent mobile apps. A bot ecosystem for automation including GitHub commit notifications, deployment alerts, and custom workflows.
Pricing: Free (no message history limit, unlimited members). Discord Nitro $9.99/month/user for enhanced features. Server Boost for improved audio and file size limits.
Pros vs Slack: Free tier has no message history limits. Always-on voice channels replicate the casual conversation pattern of a physical office better than Slack's meeting-based model. No per-user cost for basic use. Fast and reliable apps across all platforms.
Cons vs Slack: Gaming aesthetics and conventions (Nitro boosts, animated emoji, bot commands) can feel out of place in formal professional contexts. Search is weaker than Slack. Enterprise compliance and administrative features are absent. Not suitable for client-facing use or regulated industries.
Best for: Technical teams, developer communities, and startups under 30 people where informal culture is an asset, cost is a constraint, and always-on voice channels match the team's communication style.
Google Chat
Google Chat is the messaging component of Google Workspace, tightly integrated with Gmail, Google Drive, Google Meet, and Google Calendar.
Features: Spaces (formerly Rooms) for persistent team channels with threaded conversations. Direct messages and group chats. Google Docs, Sheets, and Slides share directly into conversations with live preview. Google Meet integration for instant video calls from any conversation. Smart suggestions and search powered by Google. Available in the Gmail sidebar and as a standalone app. Android and iOS apps.
Pricing: Included with all Google Workspace plans. Google Workspace Business Starter $6/month/user (includes Gmail, Drive, Meet, Chat). Business Standard $12/month/user. Business Plus $18/month/user.
Pros vs Slack: No incremental cost for Google Workspace users. Gmail integration reduces context switching for teams that live in email. Google Drive file sharing in chat is seamless -- no re-uploading or link-sharing friction. Google's search quality applied to chat history.
Cons vs Slack: Standalone feature depth is lower than Slack. Fewer third-party app integrations. Thread reply model is less intuitive than Slack's. The product has been through multiple rebrands and redesigns, creating some user uncertainty about its strategic priority for Google.
Best for: Organizations fully inside Google Workspace that want to consolidate tools and reduce the number of separate subscriptions.
Basecamp
Basecamp is not a direct Slack replacement -- it is a project management tool with communication built in. The reason it appears in this comparison is that many teams use Slack primarily for project coordination, and Basecamp covers that use case with a fundamentally different and more async-friendly design.
Features: Message Board for long-form, topic-focused communication with threaded replies -- more structured than Slack channels. Campfire for real-time chat when needed. Docs and Files for shared documents and assets. To-dos for task tracking with assignees and due dates. Schedules for calendar-style project timelines. Hill Charts for progress visualization. Automatic Check-ins that ask team members recurring questions and collect responses without requiring a meeting. Client access for external stakeholders.
Pricing: Basecamp $15/month/user (with a 30-day free trial). Basecamp Pro Unlimited $299/month flat -- unlimited users, all features.
Pros vs Slack: The flat $299/month model makes Basecamp dramatically cheaper than Slack as team size grows. A 50-person team on Basecamp Pro Unlimited pays $299/month vs $362.50/month for Slack Pro. The async-first design reduces the notification pressure that Slack creates. Project context is bundled with communication -- to-dos, files, and messages live together per project.
Cons vs Slack: Not a real-time chat tool by design. Less suitable for teams that genuinely need rapid back-and-forth communication throughout the day. No integrations with developer tools like GitHub or Jira comparable to Slack's ecosystem. Requires accepting Basecamp's opinionated project management model.
Best for: Teams that use Slack primarily for project coordination rather than real-time communication, where the async model and flat pricing are a better fit than Slack's per-user real-time chat.
Twist
Twist is made by Doist, the company behind Todoist, and is explicitly designed to replace Slack for teams that want async-first communication as a structural principle rather than a policy they try to enforce on top of a real-time tool.
Features: Threads with subject lines as the primary communication unit -- closer to email than chat. No presence indicators. No unread count that creates urgency pressure. Channels organize threads by topic or project. Inbox view collects threads that need your attention. Search across all history. App integrations including GitHub, Jira, and Zapier. Available on web, Mac, Windows, iOS, and Android.
Pricing: Free tier (1 month of message history). Unlimited plan $7/month/user (full history, unlimited integrations).
Pros vs Slack: The thread-with-subject-line model produces more organized, searchable conversations than Slack's message stream. No presence indicators and no implied urgency removes the real-time pressure that makes Slack disruptive for deep work. Built by a company that practices what it preaches -- Doist is fully remote and async.
Cons vs Slack: The async model is a culture change, not just a tool change. Teams accustomed to Slack's real-time patterns find Twist slower during the adjustment period. Fewer third-party integrations than Slack. Not suitable for teams that genuinely need real-time coordination throughout the day.
Best for: Remote teams that want to build an async communication culture from the tooling level up. Teams where deep work and time zone distribution make real-time chat a poor default.
Mattermost
Mattermost is an open-source, self-hosted alternative to Slack that provides the channel-and-thread interface pattern with complete data ownership.
Features: Channels, direct messages, and threads with a nearly identical UI to Slack. Self-hosted deployment on Linux, Docker, or Kubernetes with complete control over data location. Developer tool integrations with GitHub, GitLab, Jira, and Jenkins maintained by active open-source contributors. Mobile apps for iOS and Android. Audit logging, compliance exports, and data retention policies at Enterprise tier. Calls feature for voice and video directly in channels. Playbooks for repeatable workflow automation. Custom slash commands and bots.
Pricing: Team edition free (self-hosted, unlimited users, limited enterprise features). Professional $10/month/user (cloud). Enterprise custom pricing.
Pros vs Slack: Complete data ownership and no dependency on Salesforce's infrastructure. Free for self-hosted use. Developer integrations are strong. Active open-source community maintains the codebase.
Cons vs Slack: Self-hosting requires infrastructure and technical administration. Updates, backups, monitoring, and security patches are the organization's responsibility. The cloud version's pricing ($10/month) is higher than Slack Pro ($7.25/month) without the benefit of data ownership.
Best for: Engineering teams and organizations with strict data sovereignty requirements. Companies where the technical capability to maintain a self-hosted service exists and data control is worth the operational overhead.
Rocket.Chat
Rocket.Chat is a broader self-hosted communication platform that includes team chat alongside customer support live chat, omnichannel messaging, and built-in video conferencing.
Features: Team channels, direct messages, and discussions. LiveChat for customer-facing support conversations that can be routed to team members. Omnichannel integrations with WhatsApp, Instagram, Telegram, and email into a single interface. Video conferencing built in via Jitsi integration. File sharing and message search. End-to-end encryption for direct messages. Active open-source development with regular releases.
Pricing: Community edition free (self-hosted). Enterprise starting at $7/month/user (cloud or self-hosted with support).
Pros vs Slack: Free self-hosted option with a broader feature set than Mattermost. Omnichannel capability means one tool can handle both internal team communication and customer-facing messaging. Active community and frequent releases.
Cons vs Slack: More complex to administer than Mattermost given the broader feature set. The community edition's support is community-provided rather than vendor-guaranteed. Interface can feel less polished than Slack.
Best for: Organizations that need both internal team communication and customer-facing chat channels in a single self-hosted platform.
Loom
Loom is not a chat tool in the traditional sense. It is an async video messaging platform. The reason it belongs in a Slack alternative discussion is that a significant percentage of Slack messages are explanations of things that are faster and clearer as short videos.
Features: Record screen, face camera, or both simultaneously with one click. Automatic transcript generation for every video. Viewer analytics showing who has watched and how far they got. Timestamped comments that allow reply to specific moments. Trim and basic editing without leaving the browser. Share via link with no account required for viewers. Integrations with Notion, Linear, GitHub, and Slack itself.
Pricing: Starter free (25 videos, 5-minute maximum). Business $12.50/month/user (unlimited videos, no time limit, advanced analytics). Enterprise custom.
Pros vs Slack: Replaces written explanations that take 10 minutes to write and 5 minutes to parse with a 2-minute video. Reduces meetings scheduled to explain things that could be shown. Works across time zones without requiring synchronous availability.
Cons vs Slack: Not a replacement for real-time discussion. Requires a video-comfortable communication culture. Free tier's 25-video limit and 5-minute restriction are limiting for heavy users.
Best for: Remote teams that want to reduce synchronous meeting load. Engineering teams for code review and deployment walkthroughs. Product teams for design feedback. Any team where a meaningful fraction of communication involves showing rather than telling.
Gather
Gather creates a virtual office as a 2D pixel-art environment where team members exist as avatars. Audio and video connect automatically when avatars are near each other, replicating the spatial, context-sensitive conversations of a physical office.
Features: Persistent virtual office space that team members enter at the start of their workday. Spatial audio connects nearby avatars automatically without scheduling a call. Private areas (conference rooms, offices) create visual and audio separation for focused conversations. Screensharing in any conversation. Whiteboards, embedded web pages, and documents placed in the virtual space. Custom map design to match your team's culture.
Pricing: Free for up to 25 users (2-hour session limit). Gather Pro $2/month/user (growing teams). Gather for Enterprise $7/month/user.
Pros vs Slack: Replicates spontaneous, proximity-based conversation that chat channels cannot. Reduces the friction of initiating a conversation to moving an avatar. Creates a sense of shared presence for distributed teams.
Cons vs Slack: The pixel-art virtual office concept is not taken seriously by all professional cultures. Requires that all participants be logged into the virtual space simultaneously to benefit from the spatial audio model. Less useful for highly distributed teams across many time zones.
Best for: Remote-first teams that want to preserve the serendipitous conversation culture of a physical office. Companies going fully remote that want an alternative to a floor of empty desks.
Comparison Table
| Tool | Monthly price/user | Message history | Voice/video | Async-friendly | Self-hosted | Best for |
|---|---|---|---|---|---|---|
| Slack | $7.25-12.50 | 90 days free, unlimited paid | Yes | No | No | General team communication |
| Microsoft Teams | Included in M365 | Unlimited | Yes | No | No | Microsoft 365 organizations |
| Discord | Free | Unlimited | Yes (always-on) | Partial | No | Technical teams, startups |
| Google Chat | Included in Workspace | Unlimited | Via Meet | No | No | Google Workspace organizations |
| Basecamp | $299/mo flat | Unlimited | No | Yes | No | Project-focused async teams |
| Twist | $7 | 1 month free, unlimited paid | No | Yes | No | Async-first remote teams |
| Mattermost | Free self-hosted | Unlimited | Yes | Partial | Yes | Data sovereignty, engineering |
| Rocket.Chat | Free self-hosted | Unlimited | Yes | Partial | Yes | Self-hosted + customer chat |
| Loom | Free-$12.50 | Per plan | Async video | Yes | No | Reducing explanatory messages |
| Gather | $2-7 | N/A (voice) | Spatial audio | No | No | Virtual office presence |
Who Should Switch and Who Should Stay
Stay with Slack if: Your team has established workflows built around Slack's integrations, particularly GitHub, Jira, or PagerDuty. You use Slack Connect to communicate with vendors, clients, or partners in shared channels. Your team genuinely benefits from real-time coordination and the notification culture is manageable. The cost is justified by the workflow value.
Switch to Microsoft Teams if: Your organization already pays for Microsoft 365. The integration with Outlook calendar, SharePoint file management, and Office co-authoring is worth more than Slack's more polished messaging interface. You have compliance requirements that Teams' enterprise features address.
Switch to Google Chat if: Your team lives in Gmail, Google Docs, and Google Drive and wants to minimize context switching. The feature depth of Slack is more than your team uses.
Switch to Discord if: You are a technical team or startup under 30 people, cost is a real constraint, always-on voice channels appeal to your working style, and the informal culture is an asset rather than a liability.
Switch to Basecamp if: Your team's Slack use is primarily project coordination rather than real-time chat, the flat pricing becomes favorable as you grow past 30 people, and you are willing to adopt Basecamp's opinionated project model.
Switch to Twist if: You are committed to building an async communication culture and want the tool to enforce that culture rather than fighting against a real-time tool's design.
Switch to Mattermost or Rocket.Chat if: Data sovereignty is a requirement, your team has the technical capability to maintain self-hosted infrastructure, and you want Slack-style functionality with complete control over where your data lives.
Add Loom regardless: For most teams, Loom supplements rather than replaces a chat tool. If your team sends a lot of explanatory messages and schedules a lot of clarifying meetings, Loom reduces both. The free tier is enough to test whether your team's communication pattern benefits from async video.
The honest assessment: Slack is a well-made tool that costs real money and shapes communication culture in ways that are good for some teams and bad for others. The evaluation question is not whether Slack is good -- it is whether the communication patterns Slack enables are the right ones for how your team does its best work.
See also: Best Alternatives to Notion for Note-Taking | Best Alternatives to Zoom for Video Calls | Automation Tools Compared
Frequently Asked Questions
Why do people look for alternatives to Slack?
Slack is a mature, well-designed product that pioneered the modern team chat category. Most organizations that have used it for more than a year know its strengths: fast search, powerful integrations, a clean channel model, and a large third-party app ecosystem. The reasons people evaluate alternatives are primarily about cost, communication patterns, and ownership concerns rather than about Slack being a bad product. Cost is the leading reason. Slack's free tier limits message history to 90 days and caps integrations at 10. The Pro plan is \(7.25/user/month, the Business+ plan \)12.50/user/month. For a 50-person organization on Pro, that is \(362.50/month or \)4,350/year for a messaging tool. Microsoft Teams provides comparable functionality for organizations that already pay for Microsoft 365, adding no incremental cost. Notification overload and the always-on culture Slack creates is the second major reason. Many organizations that adopted Slack in 2015-2018 now describe it as a source of constant interruption that makes sustained work difficult. Slack's design rewards responsiveness: green presence dots signal availability, unread counts accumulate visibly, and the expectation of quick replies is embedded in the tool's metaphors. Some teams deliberately choose async alternatives specifically to break this pattern. The acquisition of Slack by Salesforce in 2021 created concern among privacy-conscious organizations about how communication data is used and stored. Organizations with strict data governance requirements sometimes prefer self-hosted alternatives like Mattermost or Rocket.Chat. Channel management complexity is a real problem at scale. Organizations with hundreds of Slack channels report discovery failures: people do not know which channels exist, important information is siloed in channels with limited membership, and onboarding new team members to the channel landscape takes significant time.
What is the best free alternative to Slack?
Microsoft Teams is the strongest free Slack alternative for most organizations. The free tier includes unlimited chat messages with full history, video calls for up to 60 minutes, 5GB of file storage, and real-time collaboration on Word, Excel, and PowerPoint documents. For organizations already using Microsoft accounts -- which includes any organization with Windows computers using Microsoft personal accounts -- Teams is a zero-friction addition. The limitation of the free tier is the absence of advanced meeting recording, compliance features, and phone system integration available in paid Microsoft 365 plans. Discord is a strong free alternative for smaller, less formal teams. The free tier has no message history limits, includes voice and video channels that are always-on (team members can join and leave a voice channel like a virtual office), and supports unlimited members. The trade-off is that Discord's interface is designed around gaming community conventions -- channel servers, roles, and permissions -- that require some translation to a professional context. Google Chat is free for anyone with a Google account and is included in Google Workspace subscriptions. For teams using Gmail and Google Docs, the integration eliminates switching between apps. The limitation is that Google Chat's standalone feature set is less developed than Slack -- threaded conversations and app integrations are more limited. Mattermost offers a self-hosted free tier for organizations that want Slack-style functionality with complete data ownership. Installation requires a server or cloud instance and technical administration, which makes it unsuitable for non-technical teams but appropriate for engineering organizations with infrastructure capacity.
What is the best team communication tool for remote teams that want async-first communication?
Twist by Doist is the most deliberately async-designed communication tool available. It is built by the company behind Todoist, which has operated as a fully remote, async-first team since its founding, and the tool reflects that operating model. Conversations in Twist are organized as threads with a subject line -- closer to a focused email thread than a chat channel. There are no presence indicators, no notification dots demanding immediate response, and no implicit expectation of real-time reply. The design is explicit about this: Twist is built for thoughtful replies, not instant responses. The result is a tool where a question asked at 2 PM in New York can be answered thoughtfully at 9 AM in Berlin without anyone having experienced the question as urgent. Basecamp is the other strong async-first option. Its Campfire feature provides real-time chat when needed, but the primary communication tools -- message boards, Hill Charts, check-ins -- are all asynchronous by design. Basecamp's flat $299/month pricing for unlimited users makes it increasingly cost-effective as team size grows. Loom is not a direct Slack replacement but addresses the root problem that many Slack messages are actually trying to explain something that would take two minutes to show and ten minutes to type. Loom records a screen and face video that recipients watch asynchronously. For teams where a significant portion of Slack messages are status updates, demos, or explanations, replacing those messages with Loom recordings dramatically reduces chat volume. Many remote teams use Loom alongside a chat tool rather than instead of one.
Microsoft Teams vs Slack: which is better for a mid-size organization?
Microsoft Teams: (1) included with all Microsoft 365 Business subscriptions (\(6-22/month/user depending on plan) -- no incremental cost for organizations already paying for Office apps, (2) deeply integrated with SharePoint for file storage, Outlook for calendar and meeting scheduling, and OneDrive for file sharing, (3) Teams Rooms for conference room hardware provides integrated video conferencing in physical meeting spaces, (4) enterprise-grade compliance and data governance features including eDiscovery, legal hold, and data loss prevention at Business Premium and above, (5) phone system integration with Microsoft Teams Phone for replacing a traditional PBX at \)8/month/user add-on. Pricing: included with Microsoft 365 Business Basic (\(6/month/user), Business Standard (\)12.50/month/user), Business Premium (\(22/month/user). Slack: (1) faster and more refined messaging experience -- search is more powerful, keyboard shortcuts are more extensive, the app is more responsive, (2) third-party app ecosystem with 2,400+ integrations is broader than Teams, (3) Slack Connect allows channels shared between different organizations -- vendor management, client communication, and partner collaboration in a single interface, (4) Workflow Builder for no-code automation of repeatable processes, (5) not tied to the Microsoft ecosystem -- works equally well in organizations using Google Workspace, AWS, or any other platform. Pricing: Pro \)7.25/month/user, Business+ $12.50/month/user, Enterprise Grid custom. Direct comparison: for organizations using Microsoft 365, Teams is the pragmatic choice -- the integration depth, the absence of incremental cost, and the enterprise compliance features are difficult to replicate. For organizations not using Microsoft 365, or for those where developers and technical users will be primary users of the tool, Slack's more refined interface and deeper integration ecosystem often produce better adoption. The key variable is whether you are already in the Microsoft ecosystem.
What are the best open-source or self-hosted alternatives to Slack?
Mattermost: (1) open-source Slack alternative with a nearly identical channel-and-thread interface, (2) self-hosted deployment on your own servers gives complete control over where data is stored, (3) free Team edition for unlimited users with no message history limits, (4) integrations with developer tools -- GitHub, GitLab, Jira, Jenkins -- are well-developed and maintained, (5) compliance features in Enterprise editions include data retention policies, eDiscovery, and audit logs, (6) mobile apps for iOS and Android included at no cost. Pricing: free (self-hosted), Professional \(10/month/user (cloud), Enterprise custom. Best for: engineering organizations, regulated industries, and companies with strong data sovereignty requirements where Salesforce's ownership of Slack data is a concern. The technical overhead of maintaining a self-hosted instance is real -- someone needs to handle installation, updates, backups, and monitoring. Rocket.Chat: (1) open-source with a broader feature set than Mattermost including LiveChat for customer support, Omnichannel for managing multiple communication channels from one interface, and built-in video conferencing, (2) self-hosted deployment available on Linux, Docker, or cloud VMs, (3) active development community with regular releases, (4) community edition is free and the Enterprise edition adds compliance, analytics, and premium support. Pricing: free (self-hosted community), Enterprise starts at \)7/month/user. Best for: organizations that need both internal team communication and customer-facing chat in a single self-hosted system. The broader feature set comes with more administrative complexity than Mattermost.
What is the best Slack alternative for a small startup on a tight budget?
Discord is the practical answer for startups of under 20 people where the team is comfortable with a tool that has gaming origins. The free tier has no meaningful limitations for a small team: unlimited message history, voice channels, video calls, screen sharing, and up to 500MB file uploads. Creating a Discord server takes five minutes. The channel model translates well to company communication -- a channel for engineering, a channel for marketing, a general channel, a random channel. The onboarding is instant for anyone who already uses Discord personally, which is most people under 35. The limitations emerge at scale: Discord's search is weaker than Slack's, the role and permission system requires some configuration for professional use, and the gaming aesthetics (Nitro boost prompts, bot commands, emoji reactions with animated emoji) can feel unprofessional in client-facing contexts. Google Chat deserves mention for startups using Google Workspace. If your team lives in Gmail and Google Docs, Chat is already included in your Workspace subscription and the context switching between tools is minimal. The feature set is not as deep as Slack but it covers the communication needs of a small team without adding a separate subscription. For startups that are serious about remote work and async communication from day one, Twist's \(7/month/user is worth the cost compared to Slack's \)7.25/month because the tool's design actively prevents the notification culture that becomes a management problem as teams grow.
What communication tools reduce meeting load for remote teams as an alternative to Slack for synchronous calls?
Loom addresses a specific pattern that many remote teams recognize: a significant fraction of the messages they send in Slack are attempts to explain something that would be faster and clearer as a short video. Code reviews, product feedback, onboarding explanations, status updates, and bug reports are all more efficient as 2-minute screen recordings than as written messages that require the recipient to mentally reconstruct what you are describing. Loom records screen and face video, allows trimming and basic editing, generates automatic transcripts, and tracks who has watched and for how long. Recipients can leave timestamped comments on specific moments in the video. For engineering teams, design reviews, and customer success workflows, Loom consistently reduces both message volume and the number of meetings scheduled to clarify things that could have been shown. Pricing: Starter free (25 videos, 5-minute limit), Business \(12.50/month/user, Enterprise custom. Gather takes a different approach: it creates a virtual office as a 2D pixel-art space where team members are represented as avatars. When avatars are near each other, audio and video connect automatically -- like walking over to a colleague's desk. This spatial audio model recreates the casual, low-friction interactions of a physical office that Slack channels cannot replicate. Teams using Gather report more spontaneous collaboration and less reliance on scheduled meetings because the friction of initiating a conversation is reduced to moving your avatar near someone. Pricing: free for small teams, \)2/month/user for growing teams, $7/month/user for enterprise. Both Loom and Gather are better understood as supplements to a chat tool rather than replacements. The organizations that benefit most from them use them to reduce a specific type of friction -- explanatory messages or impromptu conversations -- that their existing chat tool handles poorly.