The best open source alternative to Notion is Joplin. If that doesn't suit you, our users have ranked more than 100 alternatives to Notion and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Notion are Super Productivity, Logseq, Notesnook and Standard Notes.
Noteriv is an open-source note-taking app built as an alternative to Obsidian. It includes a markdown editor with split view, wiki-style links between notes, canvas/whiteboard, flashcards, Mermaid diagrams, a drawing editor, PDF annotation viewer, web clipper, dataview queries...
United States
Macro is the open source company OS - channels, email, docs, tasks, crm, and AI in one workspace - that's self-hostable and AGPLv3 licensed.
United States
Citronote is a note-taking application for Windows that allows you to create Markdown, Scrap, ToDo, and Plaintext notes.
Japan
NoteSR is a secure and offline-first note-taking Android app that creates an encrypted storage space on your device. You can write text notes, attach any type of file to them, and open files directly inside the app — all fully encrypted using AES-256.
Ukraine
A cross-platform Markdown note-taking application dedicated to using AI to bridge recording and writing, organizing fragmented knowledge into a readable note.
China
SourCherry is an Android app to open CherryTree’s databases. Right now app can read databases and do basic editing tasks.
Dark Note offers a wide range of features for taking notes, creating checklists, and keeping track of your budget. Its simple and elegant user interface makes it easy to use and navigate, allowing you to quickly and easily create and manage your notes + checklists.
United States
A free, open-source alternative to Notion, Obsidian, Evernote or OneNote. Your notes stay yours, whether you run it yourself or let a host run it for you.
InkyCap is a personal knowledge management (PKM) tool that uses Typst markup. It focuses on academics, writers, and anyone wanting both conventional PKM functionality and advanced features for publishing, knowledge discovery, recall, and ideation, as well as agenda-keeping...
Canada
Nya AI is a unified workspace that seamlessly combines a first-class AI chat client with a powerful team collaboration platform. It empowers individuals and teams to chat with AI, search the web, write documents, manage files, and communicate all in one centralized hub.
Nigeria
Germany
EU
