cat-notes

Build your personal knowledge base with Trilium Notes

Self-hosted, semantically-connected personal knowledge base

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.

Crowi - The Markdown Wiki - Empower the team with sharing your knowledge

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Your web application for managing personal data.

Powerful note-taking without the hassle.

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

TagSpaces is an offline, open source, document manager with tagging support

Think fearlessly with end-to-end encrypted notes and files. For issues, visit https://standardnotes.com/forum or https://standardnotes.com/help.

Lightweight but powerful alternative for managing your personal, file based, notes and checklists.

📚 The open-source, offline-first Notion, Obsidian & Confluence alternative. Advanced Markdown, multi-tenant teams, OIDC/SSO, and local S3 backups. Deploy in one command.

📓 eLabFTW is the most popular open source electronic lab notebook for research labs.

A self-hosted, database-less note taking web app that utilises a flat folder of markdown files for storage.

A code snippet storage solution written in React & node.js

A private, lightweight, no-login, self-hosted family utility for your home and it comes with no config PWA.

A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search

Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

Local-first, open-source AI assistant for your data. Unify tasks, notes, docs, photos, and bookmarks. Private, self-hosted, and extensible via APIs.

An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作