Theme · updated weekly

Open Source in Team Collaboration — SaaS tools & trends 2026

5 products Sparkpulse tracks are shipping around open source in Team Collaboration. The fastest-moving right now are SiYuan, AFFiNE and Mumble, ranked by how frequently they ship meaningful updates. Below: every tracked product carrying this theme, updated from release data.

Scoped to Team Collaboration. View open source across all sectors →

Products shipping around open source

#01SiYuanSiYuan rides its 3.7 overhaul with rapid alpha polish on mobile and cross-platform6.3alternatives →

#02AFFiNEAFFiNE leans on migration importers and a scoped MCP credential layer to court Notion refugees.6.3alternatives →

#03MumbleMumble closes out the 1.5 series with another stable patch while 1.6.x waits in the wings.2.5alternatives →

#04ExcalidrawExcalidraw library cadence is glacial — v0.18 in March 2025, then silence; feed is mostly GitHub-profile noise.1.3alternatives →

#05Jitsi MeetJitsi Meet ships near-monthly tags from GitHub — open-source WebRTC on rails, no public marketing layer.0.0alternatives →

Frequently asked questions about open source

Which SaaS tools ship open source in Team Collaboration in 2026?

SiYuan, AFFiNE, Mumble, Excalidraw, Jitsi Meet — the open source products Sparkpulse tracks in Team Collaboration, ranked by shipping velocity from verified changelogs.

What's the fastest-moving open source product right now?

SiYuan, with a velocity score of 6.3 out of 10 in Team Collaboration, based on how frequently it ships meaningful updates.

How many products are shipping around open source?

Sparkpulse currently tracks 5 products carrying the open source theme in Team Collaboration, updated continuously from verified release data.