Silver Bullet is an extensible, open source, personal knowledge management system. Indeed, that’s fancy talk for “a note-taking app with links.” However, Silver Bullet goes a bit beyond just that.


The best open source alternative to Obsidian is Logseq. If that doesn't suit you, our users have ranked more than 100 alternatives to Obsidian and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Obsidian are Zettlr, Joplin, Notesnook and Standard Notes.
Silver Bullet is an extensible, open source, personal knowledge management system. Indeed, that’s fancy talk for “a note-taking app with links.” However, Silver Bullet goes a bit beyond just that.


CLI and local web plain text note-taking, bookmarking, and archiving with linking, tagging, filtering, search, Git versioning & syncing, Pandoc conversion, + more, in a single portable script.








Quillpad is a fork of an original app called Quillnote. The development stopped on the original app and PR backlogs were not cleared up. The community showed much interest in the app for continued development and so this fork was created.




OpenNotas is an open-source note-taking application, cross-platform based on PWA, focusing on security and device synchronization.





HelixNotes is a local markdown note-taking app built with Rust, Tauri 2.0, and SvelteKit. Your notes are standard .md files on your filesystem - sync with whatever you want or nothing at all.




The ultimate note-taking app for students & academics, featuring AI-powered RAG, vector databases, bibliography management, and seamless integration with your academic workflow.


You can also use Quentier for local notes without any connection to Evernote and synchronization.

A cross-platform markdown notes app inspired by Google Keep and Obsidian, made with Flutter.




Comparably to Obsidian, it's based on the same philosophy as Roam, and your notes are not on a cloud. It diverges by the fact that this app is completely free and open source, and it runs on Emacs.