Open Source Alternative to:

AFFiNE brings together the tools that most teams keep separate: a block-based document editor, an infinite whiteboard, Kanban boards, and a database layer, all inside one workspace. It's built for people who are tired of copying information between a wiki, a whiteboard app, and a project tracker. Everything lives in one place, and it's connected.
The local-first design is a genuine differentiator. Your data sits on your device by default, not on someone else's server. Sync is available, but you're not forced into a cloud subscription to use the core product. For teams with privacy requirements or individuals who want full ownership of their notes and plans, that matters.
Key capabilities:
Compared to tools like AppFlowy or AnyType, AFFiNE leans harder into the visual side. The whiteboard isn't an afterthought; it's a first-class mode that can hold entire knowledge maps. Compared to Outline, it's less focused on structured wikis and more on freeform, mixed-media workspaces.
Free for individuals. Teams and commercial users pay for additional features. The source code is fully public, so self-hosting is an option for those who want it.
Every Sunday we deconstruct one proprietary app and pick the best open source alternatives worth switching to.
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