XWiki
100 · HealthyEnterprise wiki with structured pages, fine-grained rights and an extension system for building apps on top.
Enterprise wiki with structured pages, fine-grained rights and an extension system for building apps on top.
Note-taking app with notebooks, tags, web clipping and end-to-end encrypted sync across devices.
Real-time collaborative document editor from La Suite, the workplace tools built by the French and German governments.
Lightweight timeline for quick notes and memos, searchable by tag and date.
AI search and chat over your company's documents, with connectors for Slack, Google Drive, Confluence and more.
Interactive API reference docs and an API client, generated from OpenAPI documents.
Collaborative workspace for docs, databases, kanban boards and wikis, with built-in AI.
Outliner for notes and knowledge management, with daily journals, backlinks and a graph view.
End-to-end encrypted note-taking app with notebooks, tags, reminders and web clipping.
Workspace that puts docs, whiteboards and databases on one canvas, usable offline or self-hosted.
Wiki organized as shelves, books, chapters and pages, built on Laravel.
React and Next.js framework for documentation sites, with search, MDX content and API reference pages.
End-to-end encrypted notes and files, with editors for Markdown, code, tasks and spreadsheets.
Block-based personal knowledge base with Markdown, backlinks, databases and end-to-end encrypted sync.
Node.js wiki with Markdown and visual editors, Git sync and many auth providers.
Collaborative wiki with real-time editing, spaces, permissions, comments and diagrams.
Local-first workspace that combines team chat, pages and databases, with a self-hosted sync server.
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
End-to-end encrypted note-taking app with notebooks, tags, reminders and web clipping.
Alternative to
Will it still be around?
Stable
Score 77/100
Can a business use it freely?
Free, share changes
GPL-3.0 · open source (copyleft)

A 25-seat team on Evernote Teams pays about $250 a month. Notesnook on OpenTools costs $15 a month, setup included, so you save $235 a month, about $8,460 over three years.
Monthly cost
You save each month
$235/mo
94% less than today
Saving from month one
You save
List price checked 9 Oct 2026 · Source · Disclaimer
Stable · activity, bus factor and issue responsiveness, from GitHub
Score v2 · How it works
100/100
69/100
47/100
Free, share changes
GPL-3.0 · Open source (copyleft)
What you need to do
Free for any use, commercial included. Running it in your company, changed or not, asks nothing of you; only if you hand modified copies to others must you publish your changes under the same license.
GNU General Public License v3.0 · Open source (copyleft). OSI-approved license that requires sharing changes under the same license when you distribute (AGPL: also when you offer it over a network).
Detected by GitHub as GPL-3.0.
Snapshot from 2026-10-09 · Funding: open collective
Points for pull requests merged into Notesnook and reviews of them since 13 May 2026 (older history is still loading). Building something another user asked for earns more.