Anytype
Offline-first, encrypted notes and knowledge base with object graphs.
freemium offline open source
Get it →Offline & One-Time Notes Apps
Joplin
Open-source notebook with Markdown, end-to-end encryption and optional sync.
free offline open source
Get it → Setup & migration guide → Free · pay what you wantLogseq
Local-first outliner with bidirectional links, stores notes as Markdown/org files.
freemium offline open source
Get it →Obsidian
Local-first markdown notes with backlinks and plugins.
freemium offline
Get it →Standard Notes
Encrypted notes app with a long-term free tier and open-source clients.
freemium offline open source
Get it →Trilium Notes
Hierarchical personal knowledge base you can self-host or run locally.
free offline open source
Get it →