Best Free Team Collaboration Tools

Reserve and lock shared resources within Slack like Rooms, Dev environments , servers etc. Free for upto 2 resources. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Open-source communication platform with Omnichannel features, Matrix Federation, Bridge with others apps, Unlimited messaging, and Full messaging history. Best for unlimited usage needs. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Keybase is a FOSS alternative to Slack; it keeps everyone's chats and files safe, from families to communities to companies. Best for open source projects. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Chat, for GitHub. Unlimited public and private rooms, free for teams of up to 25 Best for unlimited usage needs. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Interactive customizable spaces for team meetings & happy hours socials. Unlimited meetings, free up to 8 concurrent users. Best for unlimited usage needs. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Free all-on-one bookmark manager, tab manager, and task manager in a customizable online desktop with folder collaboration. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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). Best for unlimited usage needs. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Free group video chat. Anonymous. Peer‑to‑peer. No plugins, signup, or payment required. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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 2026-09-14, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 2 consecutive re-check attempts have failed (most recently 2026-09-14 — the page never names Revolt.chat and is not served from its domain), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Talk and collaborate in real time with your team. Pair programming with IDE, terminal sharing, voice, video, and screen sharing. Free for small teams. Best for startups. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-12, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-12, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

One-click video conversations, and screen sharing, for free. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

A faster way for your team to communicate. Free Unlimited Messages, Channels, Users, Apps & Integrations Best for unlimited usage needs. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

A modern knowledge management service for teams. Free for up to 10 users. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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. Best for unlimited usage needs. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-09-02, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

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. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-09-02, so we cannot confirm these terms today. Note — discovered 2026-09-26: Stickies dropped its Free Forever plan between 2026-08-28 and 2026-09-26. It now sells Plus ($5 a month billed annually, $7 monthly) and Pro ($10 a month billed annually), with a 14-day free trial. Source ↗

• −3 free_tier_withdrawn Recorded free tier removal on 2026-09-26: Stickies dropped its Free Forever plan between 2026-08-28 and 2026-09-26. It now sells Plus ($5 a month billed annually, $7 monthly) and Pro ($10 a month billed annually), with a 14-day free trial. Source: https://stickies.app/pricing/
• −2 time_limited_offer Tier "Trial" is a trial that expires, not an ongoing free tier.
• −1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-09-02 — the page names Stickies but states no amount, tier or rate we can read), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)