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📒 Note-taking & Knowledge Base

Tools for personal notes, wikis, and knowledge management — replacing Notion, Evernote, and friends with self-hosted or open source alternatives.

Popular SaaS in this category

Tap any tool to see curated open source alternatives with honest strengths and weaknesses.

Alternatives to Notion

All-in-one workspace for notes, docs, and databases.

4 alternatives

Alternatives to Evernote

Classic note-taking and web-clipper.

4 alternatives

Alternatives to Obsidian

Local-first markdown knowledge base (closed source, free for personal use).

4 alternatives
Ad slot — category middle

Open source projects in this category

AppFlowy

Open source alternative to Notion, built in Rust, and Flutter.

License: AGPL-3.0 Self-host: ★★★☆☆

AFFiNE

Open source canvas-meets-docs workspace.

License: MPL-2.0 Self-host: ★★★☆☆

Trilium Notes

Hierarchical personal notes with scripting.

License: AGPL-3.0 Self-host: ★★☆☆☆

Joplin

Open source Evernote alternative with markdown notes and end-to-end encryption.

License: AGPL-3.0 Self-host: ★★☆☆☆

Standard Notes

Encrypted, simple note-taking with long-term data portability.

License: AGPL-3.0 Self-host: ★★★☆☆

Other categories you might like

💬 Team Communication

Chat, messaging, and voice platforms for teams — open source replacements for Slack, Discord, and WhatsApp.

🎥 Video Conferencing

Meetings, webinars, and virtual classrooms — self-hosted alternatives to Zoom, Google Meet and Microsoft Teams.

📋 Project Management & Kanban

Task boards, sprints, roadmaps, and issue tracking — open source alternatives to Asana, Jira, Trello, and Monday.

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