The top-rated alternative to Obsidian is Logseq, which is free and open source. People also recommend Zettlr, sNotes – Students Notes, Anytype and Joplin. There's no shortage of Note-taking Tools like Obsidian, with more than 100 alternatives for Mac, the web, Windows, Linux and Android.
Penqwin bootstraps GitHub repositories into structured engineering documentation and keeps docs updated automatically as code evolves. Build a self-updating engineering knowledge base from pull requests and code changes.
NoteDiscovery is a lightweight, self-hosted note-taking application that puts you in complete control of your knowledge base. Write, organize, and discover your notes with a beautiful, modern interface—all running on your own server.
Spain
EU
A worldbuilding-first writing workspace for novelists and manga creators that keeps every character, setting, and plot thread consistent — with an AI that has actually read your story.
United States
Just a MarkdownEditor with live preview and syntax highlighting. Suitable for creating blog posts and documentation with photos, mathematical formulas (MathJax), and diagrams e.g. for expert reports. Can generate manuals for apps and has additional features for time tracking, statistics...
A self-hosted, open-source note-taking app that keeps the Google Keep sticky-note feel while adding folders, timelines, list views, and import support.
RomaniaEU
Folding Mirror is a Markdown editor for macOS, featuring live preview which renders what you type in place. When the caret is moved onto a line, it folds back into its Markdown source, allowing you to edit the original content instead of a representation.
China
Encrypted online notepad with real-time autosaving, password protection, rich text formatting, sharing through unique links, downloading, printing, multilingual support, no registration needed, seamless across devices, privacy and safety-focused, ideal for personal notes and collaboration.
EstoniaEU
Expand your mind with a digital one. A personal knowledge base that helps you store, organize, map, and explore thoughts effortlessly with intelligent assistance.
BelgiumEU
SnapMind is your private external brain: Capture photos, voice memos with 100% offline transcription, and checklists—all with automatic GPS tagging for instant recall.
GermanyEU
Take notes, annotate PDFs, and stay organized with layers, tags, and flexible templates. Everything comes together on an infinite canvas built for smooth thinking.
Ladderly.io is an educational technology ecosystem dedicated to accelerating careers in tech through evidence-based learning and community support. Founded on core values of generosity, freedom, and open source principles, Ladderly provides a comprehensive platform that includes...
United States
An AI note app where you write in seconds, and rediscover notes by meaning—not location.
South Korea
