Compare 33 free team collaboration tools, free tiers, and developer deals. We could not confirm today's terms for 22 of them: on 16 the page we cite did not answer, and on 6 our own read did not confirm them. Each row says why. Nothing on record contradicts our terms for Cal.com, BookmarkOS.com and more.
What this name holds: Shared workspaces, scheduling and real-time editing around the work — not the chat clients and not the tracker.
5 other names here answer “how do people working together talk and track work”, and each holds a different list: Communication (17), Communication & Messaging (8), Messaging (28), Productivity & Notes (16), Project Management (49).
We track 33 team collaboration services with a free tier we hold as current and 1 without. This category has been relatively stable — only 3 pricing changes recorded across all vendors.
| Vendor | Tier | Description | Read / catalogue date |
|---|---|---|---|
| Cal.com | Free | 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 | 2026-11-12 / 2026-10-22 |
| Liveblocks | Free | 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.Our read on 2026-11-12 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-11-12 / 2026-08-10 |
| Zoho Connect | Free | 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. | 2026-10-10 / 2026-08-01 |
| BookmarkOS.com | Free | Free all-on-one bookmark manager, tab manager, and task manager in a customizable online desktop with folder collaboration. | 2026-11-03 |
| Braid | Free | Chat app designed for teams — Community Open group with public access Free Forever ∞ Users ∞ History ∞ Integrations | 2026-10-31 |
| Calendly | Free | 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. | 2026-11-11 / 2026-08-04 |
| cally.com | Free | 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. | 2026-10-10 / 2026-08-01 |
| cDox | Free | 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.Our read on 2026-11-12 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-11-12 / 2026-09-26 |
| Chanty.com | Free | 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.Our read on 2026-10-25 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-10-25 / 2026-08-15 |
| Duckly | Free | 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. | 2026-10-24 / 2026-08-02 |
| element.io | Free | 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. | 2026-10-10 / 2026-08-03 |
| flat.social | Free | 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.Our read on 2026-11-04 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-11-04 / 2026-08-05 |
| flock.com | Free | 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. | 2026-10-10 / 2026-08-01 |
| GitDailies | Free | 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. | 2026-10-26 / 2026-08-02 |
| gitter.im | Free | 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. | 2026-10-10 / 2026-08-04 |
| Hackmd.io | Free | 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). | 2026-11-04 / 2026-08-02 |
| Keybase | Free | 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. | 2026-10-11 / 2026-07-31 |
| Linkinize | Free | Bookmark manager for teams with tagging, multi-workspaces, and collaboration. Free plan includes 4 workspaces and 10 team members. | 2026-11-11 |
| Lockitbot | Free | Reserve and lock shared resources within Slack like Rooms, Dev environments , servers etc. Free for upto 2 resources | 2026-11-03 |
| meet.jit.si | Free | 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. | 2026-10-11 / 2026-08-04 |
| Nuclino | Free | 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. | 2026-10-11 / 2026-08-03 |
| Pumble | Free | Free team chat app. Unlimited users and message history, free forever. | 2026-11-11 |
| Raindrop.io | Free | Private and secure bookmarking app for macOS, Windows, Android, iOS, and Web. Free Unlimited Bookmarks and Collaboration. | 2026-10-26 |
| Revolt.chat | Free | 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. | 2026-11-09 / 2026-08-03 |
| Rocket.Chat | Free | 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. | 2026-10-11 / 2026-08-02 |
| Screen Sharing via Browser | Free | 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. | 2026-10-11 / 2026-08-05 |
| Slab | Free | A modern knowledge management service for teams. Free for up to 10 users. | 2026-11-03 |
| Stickies | Trial | 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. | 2026-11-05 |
| talky.io | Free | 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. | 2026-10-11 / 2026-07-31 |
| Tencent RTC | Free | Tencent Real-Time Communication (TRTC) offers solutions for group audio/video calls.10,000 free minutes/month for the first year. | 2026-11-01 / 2026-08-04 |
| twist.com | Free | 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. | 2026-11-03 |
| Webex | Free | 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. | 2026-10-26 / 2026-08-02 |
| zoom.us | Free | 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. | 2026-10-11 / 2026-08-02 |
| Zulip | Free | 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. | 2026-10-09 / 2026-07-31 |