The best alternative to Obsidian is Logseq, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Obsidian and 11 are so hopefully you can find a suitable replacement. Other interesting alternatives to Obsidian are Anytype, SiYuan, Dendron and Foam.
Local-first, privacy-focused notebook supporting Markdown and Emacs Org mode. Offers offline use, encrypted backups, plugin extensibility, LaTeX support, real-time collaboration, and hierarchical organization for personal knowledge management.
Manage notes, tasks, and projects offline with Markdown support. Enjoy encrypted storage, P2P syncing, and powerful dynamic collections across all devices, while allowing redistribution and modification for non-commercial uses.
SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.
Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.
A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.
Capacities offers a revolutionary note-taking experience by utilizing a network-based structure for knowledge capture and organization. Users create unique entities like ideas and questions in a graph view, fostering personalized and interconnected know-how beyond traditional folders.
Nuclino is a unified workspace where teams can bring all their knowledge, docs, and projects together in one place. It’s a modern, simple, and blazingly fast way to collaborate, without the chaos of files and folders, context switching, or silos.
As easy to use as a word document or bulleted list, and as powerful for finding, collecting, and connecting related ideas as a graph database. Collaborate with others in real time, or store all your data locally.
Knowledge is a tool for saving, searching, accessing, exploring and chatting with all of your favorite websites, documents and files.
Your notes, always findable. Capture everything. Maintain nothing. Auto-tagging, smart search, zero organization required.
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Logseq is incredibly innovative and it respects my privacy and freedom by providing Free and open source software as opposed to proprietary tools.