Best Free Team Collaboration Tools for Developers

Completely free API with no paid tiers. 50 req/sec global rate limit, per-route limits vary (e.g., 5 messages per 5 sec per channel). No charges ever

Free live chat, ticketing, knowledge base and CRM. No limits on agents, simultaneous chats, conversations, contacts or chat history; 50+ languages; no credit card. Paid add-ons: branding removal $29/month, AI Assist from $29/month (forever-free tier for limited volume), Video + Voice + Screensharing (priced per property); hired chat agents $1/hour.

Chat app designed for teams — Community Open group with public access Free Forever ∞ Users ∞ History ∞ Integrations

Chanty is another alternative to Slack. It has a free forever plan for small teams (up to 5) with unlimited public and private conversations, searchable history, unlimited 1:1 audio calls, unlimited voice messages, ten integrations, and 20 GB storage per team.

A decentralized and open-source communication tool built on Matrix. Group chats, direct messaging, encrypted file transfers, voice and video chats, and easy integration with other services.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

A faster way for your team to communicate. Free Unlimited Messages, Channels, Users, Apps & IntegrationsThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

Chat, for GitHub. Unlimited public and private rooms, free for teams of up to 25The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

Keybase is a FOSS alternative to Slack; it keeps everyone's chats and files safe, from families to communities to companies.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Free team chat app. Unlimited users and message history, free forever.

Now Stoat — revolt.chat redirects to stoat.chat, which serves the same product. Open-source group chat and Discord alternative: servers, channels, voice chat, file sharing, markdown, role-based permissions and moderation tools. Free; no ads and no data mining. Windows, macOS, Linux, Android, iOS and web.The page we cite for this offer does not name it when we last looked, on 2026-11-09, so we cannot confirm these terms today.

Open-source communication platform with Omnichannel features, Matrix Federation, Bridge with others apps, Unlimited messaging, and Full messaging history.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

An asynchronous-friendly team communication app where conversations stay organized and on-topic. Free and Unlimited plans are available. Discounts are provided for eligible teams.

Real-time chat with a unique email-like threading model. The free plan includes 10,000 messages of search history and File storage up to 5 GB. also, it provides a self-hostable open-source version.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-09, so we cannot confirm these terms today.

Customer support software with live chat widget, simple copy-paste setup, and Slack integration. Free plan: 30 threads/month, 3 users, live chat widget, limited Help Center. Built by a developer.

Real-time audio/video and AI agent infrastructure — 5,000 WebRTC minutes/mo, 1,000 agent session minutes/mo, 5 concurrent agent sessions, 100 concurrent connections, 1 free US phone number. Open source

• On the free Build plan, new requests fail after you exceed the included allowance; there are no overage charges. (From docs.livekit.io/deploy/admin/quotas-and-limits, read 2026-10-06.)
• Free projects share one allowance; creating more projects does not increase the total. (From docs.livekit.io/deploy/admin/quotas-and-limits, read 2026-10-06.)
• Build plan agents may shut down after all sessions end. They restart on a new session, causing up to 10 to 20 seconds of delay before joining. (From docs.livekit.io/deploy/admin/quotas-and-limits, read 2026-10-06.)
• LiveKit Cloud's free Build plan includes 350 text simulation turns and 60 audio simulation turns. Ship and Scale cost $0.02 per text simulation turn and $0.05 per audio simulation turn. (From livekit.com/pricing, read 2026-11-03.)

The Free plan offers 100K free monthly delivery minutes, up to 10 stored videos, on-demand video only, 100K free monthly Mux Robots units, and 6k free monthly live caption minutes. No credit card required.

Video calling API with 10,000 free participant-minutes/month. After those, video calls cost $0.004 per participant-minute and audio-only calls $0.00099, with volume discounts, and Daily's pricing FAQ says there is no hard cap that stops calls. Real-time calls support up to 1,000 active participants. Signing up is free, but Daily's quickstart asks new accounts to add a credit card before creating a room, and recording, transcription and live streaming are for paid accounts (a card on file). Deepgram is acquiring Daily (announced October 29, 2026); Daily says that for its customers "nothing will change" and that Deepgram will sell, support and develop all of Daily's current products and services.

Embeddable video conferencing API. Free Explore plan: 2,000 participant-minutes/month, up to 200 participants per room, 24 active video feedsWhen we last read the page we cite for this offer, on 2026-11-10, we refused the change we considered recording because it named no figure that had moved, and refusing a change is not a confirmation of the terms above, so we cannot confirm these terms today.

Talk and collaborate in real time with your team. Pair programming with IDE, terminal sharing, voice, video, and screen sharing. Free for small teams.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-24, so we cannot confirm these terms today.

Interactive customizable spaces for team meetings & happy hours socials. The Free plan is $0 forever for up to 5 people at once, with unlimited session length, spatial audio and video rooms, your own maps and an embed button for your site.

One-click video conversations, and screen sharing, for freeThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Free screen sharing tool, share your screen with collabrators right from your browser, no download or registration needed. For free.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Free group video chat. Anonymous. Peer‑to‑peer. No plugins, signup, or payment requiredThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Tencent Real-Time Communication (TRTC) offers solutions for group audio/video calls.10,000 free minutes/month for the first year.

Video meetings with a free plan offering 40 minutes per meeting with 100 attendees.The page we cite for Webex names a plan but states no amount, so these limits come from our own record rather than from that page.

Video hosting with viewer analytics, HD video delivery, and marketing tools to help understand your visitors, 25 videos, and Wistia branded playerWhen we last read the page we cite for this offer, on 2026-11-03, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.

Secure Video and Web conferencing add-ons available. The free plan is limited to 40 minutes.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Real-time collaboration infrastructure — Free tier includes: Unlimited MAU, Unlimited monthly active rooms, 3,000 realtime collaboration minutes, 200 comments, 1 GB realtime data storage, 512 MB file storage, 3 dashboard seats, 10 projects.

Free all-on-one bookmark manager, tab manager, and task manager in a customizable online desktop with folder collaboration.

Private document editor hosted in Canada. Write, format, collaborate, and publish documents with clean public links. Data is never used for AI training. Free plan includes 150 pages and sheets and unlimited public links.

Daily reports of your team's Commit and Pull Request activity on GitHub. Includes Push visualizer, peer recognition system, and custom alert builder. The free tier has unlimited users, three repos, and 3 alert configs.When we last read the page we cite for this offer, on 2026-10-26, we reached a domain root that states nothing about the terms we hold, so we cannot confirm these terms today.

Real time collaboration & writing tool for markdown format docs/files. Like Google Docs but for markdown files. Free unlimited number of "notes", but the number of collaborators (invitee) for private notes & template [will be limited](https://hackmd.io/pricing).

Bookmark manager for teams with tagging, multi-workspaces, and collaboration. Free plan includes 4 workspaces and 10 team members.

A lightweight and collaborative wiki for all your team's knowledge, docs, and notes. Free plan with all essential features, up to 50 items, and 5GB storage.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Private and secure bookmarking app for macOS, Windows, Android, iOS, and Web. Free Unlimited Bookmarks and Collaboration.

A modern knowledge management service for teams. Free for up to 10 users.

Open-source scheduling — Individuals Free Everything you could need for scheduling as an individual. Use for free *Free forever Free features: 1 user Unlimited event types & calendars Email & SMS notifications Integrate with 100+ apps Mobile App Browser Extension Accept Stripe & PayPal payments Two-way Salesforce & HubSpot sync 1-click import Calendly events

Calendly is the tool for connecting and scheduling meetings. The free plan provides 1 Calendar connection per user and Unlimited sessions. Desktop and Mobile apps are also offered.When we read the page we cite for this offer on 2026-10-20, we found a change we could not reconcile with the terms we publish, and we have read it again since, on 2026-11-11, without confirming them, so we cannot confirm these terms today.

Find the perfect time and date for a meeting. Simple to use, works great for small and large groups.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

All-in-one visual feedback tool to collect digital feedback and review websites, PDFs, and images. Free plan: 1 project, 5 pages, 5 users, unlimited guests; integrations with Trello, Slack, Asana, and Jira. Pro begins at $15/user/month.When we last read the page we cite for this offer, on 2026-11-07, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.

Share feedback for website projects directly on your website — Free Plan: 1 project/domain, 3 users per project, 12 dots per project, Join unlimited projects

Website feedback and bug reporting tool for web development teams — no permanent free tier. 7-day free trial of the Advanced plan, no credit card required; Solo is $8/month for 2 users and 5 projects.

GraphComment is a comments platform that helps you build an active community from the website’s audience.

A feature-rich comment system for WordPress, Tumblr, Blogger, and many other website platforms.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

Open source hosted comments platform, pay what you can for "One moderator on a few domains with complete control over behavior & appearance"

A lightweight comments widget built on GitHub issues. Use GitHub issues for blog comments, wiki pages, and more!The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

Chat SDK — Developer plan: 1,000 MAU, 20 peak concurrent connections, unlimited messages/month, unlimited storage (6-month retention). All Pro features included (typing indicators, read receipts, push notifications)

Chat, Activity Feeds, Video and Moderation APIs. Stream's Maker Account is free for companies with five or fewer team members, under $10k monthly revenue and under $100k in funding. It includes the Chat Start plan limited to 2,000 monthly active users and 100 concurrent connections, the Activity Feeds Start plan, the Video & Audio Build plan and AI Moderation pay-as-you-go with a $100 monthly credit. Hard limits, no surprise bills.

Team Collaboration free for 25 users with three groups, three custom apps, 3 Boards, 3 Manuals, and 10 Integrations along with channels, events & forums.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

Meetings with upto 3 meeting participants & 10 Webinar attendees.The page we cite for Zoho Meeting names a plan but states no amount, so these limits come from our own record rather than from that page.

Yet another Meeting software for training for a remote session of up to 5 attendees.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

Customer Support management with three agents, private knowledge base, and email tickets. Integrates with [Assist](https://zoho.com/assist) for one remote technician & 5 unattended computers.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

Reserve and lock shared resources within Slack like Rooms, Dev environments , servers etc. Free for upto 2 resources

Visual collaboration app used for brainstorming, content curation, and notes. No free plan since Stickies dropped its Free Forever plan between 2026-08-28 and 2026-09-26. Plus is $5/month billed annually and Pro $10/month, each with a 14-day free trial and no credit card required.

There is no startup program: the application form we cite now serves Google Forms' closedform page, which states the form is no longer accepting responses. Checked 2026-09-02. The former offer was education, mentoring and introductions for startup founders.

There is no early stage plan: gosquared.com/early-stage/ redirects to ecosend.io, an email marketing product with its own pricing and no startup offer. Checked 2026-09-02, GoSquared's analytics product is not sold at the destination. The former offer was all GoSquared features at a fixed low price for the first year.

There is no startup program: drift.com/startups/ answers 200 with a meta-refresh to salesloft.com/platform/drift, where Drift is sold as a Salesloft product with no startup offer. Checked 2026-09-02. The former offer was 93% off the Essential Plan for one year.