Open-source alternatives guide · Updated 2026
Compare the best free and open-source alternatives to Notion — 19 verified projects with explicit catalog relationships. Inspect licenses, GitHub activity, self-hosting signals, and migration fit before you switch.
Official product reference Notion↗Only explicit alternative relationships are shown—never inferred competitor claims.
This guide compares 19 verified open-source alternatives to Notion, including AppFlowy, AFFiNE, Memos, and SiYuan.
Projects appear across Productivity, Data & Analytics, and AI & Machine Learning. 11 options include a self-hosting signal — see the self-hosted catalog. Ranking follows public GitHub stars and recorded momentum—not vendor marketing. Compare projects side by side, then confirm license fit, migration effort, and operational ownership before adopting any option.
People leaving Notion for self-hosted wikis, local-first PKM, or privacy-first workspaces.
Migration tip: Separate personal PKM from company wiki needs. Export Markdown/CSV and pilot two tools with real jargon before an org-wide cutover.
Strongest repository-activity signal: AppFlowy · Jump to ranking · 73.8K stars · self-hostable
Notion combines documents, databases, and lightweight project tracking in one workspace. Open-source alternatives rarely match every feature, but several excel at team wikis, personal knowledge bases, or block-style editing with stronger data ownership.
Visit NotionCompare capabilities, licensing, and ownership model. Stars help with discovery; they are not a security or product-fit guarantee.
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source No
Open-source alternative to Notion
There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.
There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source
Open-source alternative to Notion
Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.
Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours. Review the official repository, license, release activity, and dep
Open-source alternative to Notion
A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang. Review the official repository, license, release activity,
A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible. Review the official repository, license, release activity,
Open-source alternative to Notion
Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)
Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion) Review the official repository, license, release activity, and deployment documen
Open-source alternative to Notion
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion. Review the official repository, license, release
Open-source alternative to Notion
Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.
Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale wi
Open-source alternative to Notion
A fully open source & end-to-end encrypted note taking alternative to Evernote.
A fully open source & end-to-end encrypted note taking alternative to Evernote. Review the official repository, license, release activity, and deployment documentation before produ
Open-source alternative to Notion
An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript .
An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript . Review the official repository, license, release activity, and deployment documenta
Official Anytype client for MacOS, Linux, and Windows
Official Anytype client for MacOS, Linux, and Windows Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Notion
Open-source and local-first Slack and Notion alternative that puts you in control of your data
Open-source and local-first Slack and Notion alternative that puts you in control of your data Review the official repository, license, release activity, and deployment documentati
Open-source alternative to Notion
Roll your own tracker!
Roll your own tracker! Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Notion
Open-source notes that live where you choose: your device, your server, or ours.
Open-source notes that live where you choose: your device, your server, or ours. Review the official repository, license, release activity, and deployment documentation before prod
Open-source alternative to Notion
The XWiki platform
The XWiki platform Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Notion
Notes as it should have been. Built for people who just want to write, without nonsense.
Notes as it should have been. Built for people who just want to write, without nonsense. Review the official repository, license, release activity, and deployment documentation bef
Open-source alternative to Notion
Streamline your work with our all-in-one knowledge, doc, and project management system.
Streamline your work with our all-in-one knowledge, doc, and project management system. Review the official repository, license, release activity, and deployment documentation befo
Open-source alternative to Notion
A simple, fast, privacy-focused note-taking app that you can use easily, take notes rapidly, and, importantly, truly own your account and data.
A simple, fast, privacy-focused note-taking app that you can use easily, take notes rapidly, and, importantly, truly own your account and data. Review the official repository, lice
Map must-have capabilitiesList the workflows in Notion you cannot drop during migration.
Verify the licenseConfirm it fits your use, distribution, and compliance model. Browse license briefs.
Run a proof of conceptTest real data, integrations, clients, and failure modes. Use Compare for side-by-side checks.
Plan ownershipAssess upgrades, backups, support, and an exit path. Read when self-hosting is worth it.
AppFlowy and AFFiNE are the closest Notion-like workspace experiences. Outline, Docmost, BookStack, and Wiki.js are stronger when you mainly need a team wiki—not full relational databases.
Yes. Outline, Docmost, BookStack, and Wiki.js are commonly self-hosted. Confirm SSO, backups, and upgrade cadence against your ops capacity.
Usually not 1:1. Treat relational views as a rebuild. Start with documentation and notes, then recreate critical databases deliberately.
Narrow the same alternatives by search, license, tags, or self-hosting signals when you need a tighter shortlist.
United StatesAGPL-3.0Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
ProductivityOpen-source projects grouped in this category for discovery and comparison.#
DartProjects tagged with this topic in the verified catalog.
Github ActionsProjects tagged with this topic in the verified catalog.
JavaScriptProjects tagged with this topic in the verified catalog.
Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.
ProductivityOpen-source projects grouped in this category for discovery and comparison.#
TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.NotionAll-in-one proprietary workspace for notes, docs, and databases.Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.
Data & AnalyticsOpen-source projects grouped in this category for discovery and comparison.#
GoProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.AI-nativeThis project includes AI-native capability signals in the catalog metadata.NotionAll-in-one proprietary workspace for notes, docs, and databases.United StatesAGPL-3.0A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV
Security & PrivacyOpen-source projects grouped in this category for discovery and comparison.#ClojureProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.United StatesLicense not declaredThe fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
InfrastructureOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)
Business SoftwareOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.NotionAll-in-one proprietary workspace for notes, docs, and databases.Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
ProductivityOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.
NodeJSProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.
InfrastructureOpen-source projects grouped in this category for discovery and comparison.#
PythonProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.A fully open source & end-to-end encrypted note taking alternative to Evernote.
ProductivityOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript .
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.AI-nativeThis project includes AI-native capability signals in the catalog metadata.NotionAll-in-one proprietary workspace for notes, docs, and databases.Official Anytype client for MacOS, Linux, and Windows
Security & PrivacyOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.NotionAll-in-one proprietary workspace for notes, docs, and databases.
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