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

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

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

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.

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

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

Powerful note-taking without the hassle.

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

Self-hosted, semantically-connected personal knowledge base

Your web application for managing personal data.

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

Build your personal knowledge base with Trilium Notes

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

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

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

An open source personal productivity platform built on Markdown, turbo charged with the scripting power of Lua

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.

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.