Local-first knowledge management for Markdown notes, wiki-links, backlinks and knowledge graphs.
Open-source desktop app for Windows, macOS and Linux. Your notes stay local. No accounts, no cloud backend, no telemetry.
Direct download links for every platform. All packages are built from the same source.
jbang jylos@RGiskard7/jylos
A powerful toolkit that stays out of your way.
Live syntax highlighting, side-by-side preview, GFM tables and KaTeX math.
[[autocomplete]], backlinks panel, click-to-open navigation between notes.
Interactive force-directed graph. Zoom, pan, drag nodes, local neighbourhood views.
Task boards inside notes with drag-and-drop, WIP limits, and column colors.
Stage, commit, push and pull from a unified panel. Full Git integration.
Encrypt note bodies with AES-256-GCM behind a master password.
SQLite database or plain Markdown vault. Switch anytime, your choice.
Plugin JARs, Mermaid diagrams, CSS themes, and a plugin manager.
Operators, date shorthands, command palette and quick switcher.
Save and restore open tabs, view state and layout per context.
Click any image to expand it.
A knowledge tool designed for people who care about where their data lives.
Your notes live on your disk. SQLite or plain Markdown files — always yours.
Free forever. Audit the code, modify it, contribute back.
Plain text Markdown with YAML frontmatter. No proprietary format lock-in.
No sign-up, no login, no user database. Just open the app and write.
Zero usage tracking. No analytics, no data collection of any kind.
Extend Jylos with external JARs. Built-in Mermaid diagram support.
Visualize connections between notes. Interactive, zoomable, local and global views.
Windows, macOS and Linux. Native installers built with jpackage.
No servers. No accounts. No nonsense.
Everything lives on your device in SQLite or plain Markdown files.
No sign-up, no login, no user database.
There is no server to call, ever.
Zero usage tracking or analytics.
Jylos is MIT-licensed, built with Java 21 and JavaFX 23. Contributions, feedback and pull requests are welcome.