Open source alternatives to Notion

9 projects on starwire do the same job. Ranked by how much of what Notion does each one covers, read from its README and website. Ties go to the most active.

What Notion does

  1. Pages and docs with rich blockscore
  2. Databases with table, board and calendar viewscore
  3. Real-time collaboration with a teamcore
  4. Wiki with nested pages and sharing
  5. Tasks and project tracking
  6. Templates
  7. Desktop and mobile apps
  8. API and integrations

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

ProjectCoversStarsCommits, 12 weeksLast releaseClosed vs openedSetupLicense
AFFiNEOpen-source workspace for docs, whiteboards and planning with CRDT sync Replaces it91%75k+199
108
 3 months ago57% Install like an app Custom license
Covers all 3 core jobs. Partly: Desktop and mobile apps; API and integrations.See the evidence
  • Pages and docs with rich blockscoreYesrich text, sticky notes, any embedded web pages
  • Databases with table, board and calendar viewscoreYesmulti-view databases
  • Real-time collaboration with a teamcoreYessupports real-time sync and collaborations
  • Wiki with nested pages and sharingYeswiki, knowledge management, presentation and digital assets
  • Tasks and project trackingYesPlan, track, and collaborate efficiently
  • TemplatesYesAFFiNE now provides pre-built templates
  • Desktop and mobile appsPartlyreal-time sync and collaborations on web and cross-platform clients
  • API and integrationsPartlyPlugin community and third-party blocks are coming soon.
litpageSelf-hosted notes and wiki workspace running on Node.js with SQLite Replaces it86%104+2
6
 NoneToo few Needs a server MIT
Covers all 3 core jobs. Partly: Templates. Not shown: Desktop and mobile apps.See the evidence
  • Pages and docs with rich blockscoreYes41 block types, slash menu, markdown shortcuts
  • Databases with table, board and calendar viewscoreYesTable, board, list, gallery, calendar, timeline, chart
  • Real-time collaboration with a teamcoreYesLive multi-user editing over WebSocket
  • Wiki with nested pages and sharingYespages and sub-pages, sidebar with favorites and recents
  • Tasks and project trackingYesa project brief and its task
  • TemplatesPartlyrelations, rollups, templates, buttons
  • Desktop and mobile appsNot shownNeither the README nor the website mentions it.
  • API and integrationsYesA REST API with webhooks and an MCP endpoint
AppFlowyOpen source workspace for notes, wikis, and projects, with local data control Replaces it82%79k+465
1
 12 days ago56% Install like an app AGPL-3.0
Covers 1 of 3 core jobs. Partly: Pages and docs with rich blocks; Databases with table, board and calendar views.See the evidence
  • Pages and docs with rich blockscorePartlyProject Management Tool Documentation Basic CRM Team Wiki Databases
  • Databases with table, board and calendar viewscorePartlyTeam Wiki Databases
  • Real-time collaboration with a teamcoreYesCo-edit in real-time or comment async.
  • Wiki with nested pages and sharingYesBring projects, wikis, and teams together with AI
  • Tasks and project trackingYesManage projects end-to-end.
  • TemplatesYesGet templates
  • Desktop and mobile appsYesAvailable on macOS, Windows, Linux, iOS, Android, and the web
  • API and integrationsYesSAML OIDC SSO, SCIM, LDAP, MCP, and public APIs.
siyuanLocal-first markdown note app with AI agent access and self-hosted sync Same job, different way68%47k+105
4,647
 4 days ago100% Install like an app AGPL-3.0
Covers 1 of 3 core jobs. Partly: Databases with table, board and calendar views; Real-time collaboration with a team; Wiki with nested pages and sharing. Not shown: Tasks and project tracking.See the evidence
  • Pages and docs with rich blockscoreYesBlock-style
  • Databases with table, board and calendar viewscorePartlyTable view
  • Real-time collaboration with a teamcorePartly通过锁屏密码控制访问权限，方便多人协作
  • Wiki with nested pages and sharingPartlyBlock-level reference and two-way links
  • Tasks and project trackingNot shownNeither the README nor the website mentions it.
  • TemplatesYesTemplate snippet
  • Desktop and mobile appsYesAndroid/iOS/HarmonyOS App
  • API and integrationsYesAPI
colanodeLocal-first chat and knowledge base app, an alternative to Slack and Notion Replaces it68%5.2k+10
0
 8 months agoToo few Install like an app Apache-2.0
Covers all 3 core jobs. Partly: Wiki with nested pages and sharing; Tasks and project tracking; Desktop and mobile apps. Not shown: Templates; API and integrations.See the evidence
  • Pages and docs with rich blockscoreYesCreate documents, wikis, and notes using an intuitive editor
  • Databases with table, board and calendar viewscoreYesdynamic views (table, kanban, calendar)
  • Real-time collaboration with a teamcoreYesmultiple people can edit at the same time
  • Wiki with nested pages and sharingPartlyCreate documents, wikis, and notes
  • Tasks and project trackingPartlymanage projects
  • TemplatesNot shownNeither the README nor the website mentions it.
  • Desktop and mobile appsPartlyColanode includes a client app (web or desktop)
  • API and integrationsNot shownNeither the README nor the website mentions it.
macroTeam workspace combining email, chat, docs, tasks, calls and CRM with AI memory Covers one part59%6.3k+117
3,624
 2 days ago33% Install like an app AGPL-3.0
Covers 2 of 3 core jobs. Partly: Databases with table, board and calendar views; API and integrations. Not shown: Wiki with nested pages and sharing; Templates; Desktop and mobile apps.See the evidence
  • Pages and docs with rich blockscoreYesReal-time collaborative, markdown-native docs built on CRDTs
  • Databases with table, board and calendar viewscorePartlyTables with typed columns, relations, saved views
  • Real-time collaboration with a teamcoreYesReal-time collaborative, markdown-native docs built on CRDTs
  • Wiki with nested pages and sharingNot shownNeither the README nor the website mentions it.
  • Tasks and project trackingYesLinear-inspired tasks
  • TemplatesNot shownNeither the README nor the website mentions it.
  • Desktop and mobile appsNot shownNeither the README nor the website mentions it.
  • API and integrationsPartlya tools/MCP surface designed to work across inboxes
logseqLocal-first outliner for notes and knowledge graphs in Markdown or Org-mode Same job, different way49%46k+79
629
 38 days ago100% Install like an app AGPL-3.0
Covers 0 of 3 core jobs. Partly: Pages and docs with rich blocks; Real-time collaboration with a team; Wiki with nested pages and sharing. Not shown: Databases with table, board and calendar views; Templates.See the evidence
  • Pages and docs with rich blockscorePartlyfor organizing and structuring your notes
  • Databases with table, board and calendar viewscoreNot shownNeither the README nor the website mentions it.
  • Real-time collaboration with a teamcorePartlyRTC (Real Time Collaboration)
  • Wiki with nested pages and sharingPartlyplatform for knowledge management and collaboration
  • Tasks and project trackingYestask management
  • TemplatesNot shownNeither the README nor the website mentions it.
  • Desktop and mobile appsYesare also available, providing access to most of the features
  • API and integrationsYesPlugin API
outlineTeam knowledge base with real-time collaborative editing and markdown support Covers one part49%41k+70
775
 22 days ago100% Hosted version Custom license
Covers 2 of 3 core jobs. Not shown: Databases with table, board and calendar views; Tasks and project tracking; Templates; Desktop and mobile apps.See the evidence
  • Pages and docs with rich blockscoreYesmarkdown support, slash commands, interactive embeds
  • Databases with table, board and calendar viewscoreNot shownNeither the README nor the website mentions it.
  • Real-time collaboration with a teamcoreYesCollaborate with team mates on documents in realtime.
  • Wiki with nested pages and sharingYesShare documents publicly with a link, or privately with a team.
  • Tasks and project trackingNot shownNeither the README nor the website mentions it.
  • TemplatesNot shownNeither the README nor the website mentions it.
  • Desktop and mobile appsNot shownNeither the README nor the website mentions it.
  • API and integrationsYesThere is an open API too.
docsCollaborative real-time wiki and document editor built on Django and React Covers one part49%17k+14
428
 19 days ago100% Needs a server MIT
Covers 2 of 3 core jobs. Not shown: Databases with table, board and calendar views; Tasks and project tracking; Desktop and mobile apps.See the evidence
  • Pages and docs with rich blockscoreYesSlash commands & block system
  • Databases with table, board and calendar viewscoreNot shownNeither the README nor the website mentions it.
  • Real-time collaboration with a teamcoreYesLive cursors & presence
  • Wiki with nested pages and sharingYesSubpages & hierarchy
  • Tasks and project trackingNot shownNeither the README nor the website mentions it.
  • TemplatesYesStart from ready-made templates for common use cases
  • Desktop and mobile appsNot shownNeither the README nor the website mentions it.
  • API and integrationsYesDocs comes with a resource server API

Vital signs from GitHub, checked weekly. How we read these · How setup is read

These also replace

Slack8Obsidian5Linear5Miro3Confluence2Roam Research1Google Docs1

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