Open Source #offline-first Projects
Discover open source software tagged with offline-first.
PhotoSuite
A free, open-source desktop image editor that replicates the Photoshop interface with 1:1 native PSD/PSB file compatibility.
Alternative to: 
Adobe Photoshop
Adobe Photoshop
Kagelin
Self-hosted, offline-first productivity app combining tasks, habits, a Pomodoro focus timer, and calendar with optional WebDAV sync.
Alternative to: 
TickTick
TickTick
ODict
An open-source dictionary file format and toolchain with instant offline lookups, full-text search, and APIs for Rust, Python, and JavaScript.
Alternative to: 
Babylon
Babylon
Anchor
Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.
Alternative to: 
Google Keep
Google Keep