Best open-source Productivity & Apps projects

An open-source, clean-room photo editor rebuilt in pure Rust, with layers, masks, adjustment layers, type, vectors and real PSD file support.

CasaOS is an open-source personal cloud system for home servers that adds a web UI for managing files, storage and Docker apps.

A self-hostable workspace where humans and AI agents share channels, built on a Nostr relay you run yourself.

Self-hosted tool that monitors web pages for content, price, and stock changes and sends alerts through many notification channels.

Open-source, local-first AI meeting assistant that records, transcribes in real time, and generates summaries on macOS and Windows.

A tiling window manager for macOS that automatically arranges windows using binary space partitioning, controlled via a command line interface.

A self-hostable personal dashboard for homelabs, with status checks, widgets, themes, icon packs and a visual config editor.

A free, open-source Photoshop-style image editor for macOS, built around layers, masks, and non-destructive compositing.

Android image editor app offering dozens of tools, from crop, filters and drawing to OCR, background removal, PDF tools and AI upscaling.

A Claude Agent Skill that builds interactive isometric SVG, WebGL and 3D illustrations of machines to explain technical ideas.

An open-source, clean-room word processor in pure Rust that reads and writes .docx and runs on desktop and in the browser.

An open-source headless CMS for Markdown, MDX, JSON and YAML content, with a GraphQL API and optional live visual editing.

An AI agent skill that removes 20+ common AI-generated writing patterns from text while keeping the author's own voice.

A Claude Code skill that audits websites for visibility in AI search engines like ChatGPT, Perplexity, and Google AI Overviews, alongside traditional SEO checks.

Open-source desktop app to download video and audio from 1000+ sites, transcribe locally, and run AI summaries or Q&A on transcripts.

A self-hosted web app for downloading videos and audio from 1000+ sites via yt-dlp, exporting as MP4 or MP3.

Free, open-source AI Office suite that edits real .docx, .xlsx, .pptx and PDF files locally, with an AI agent and a genoffice CLI.

Open-source design editor that opens Figma (.fig) and .pen files, with built-in AI tools and a headless Vue SDK.

A Flutter e-book reader for Android, iOS, macOS and Windows with AI-assisted reading, WebDAV sync and support for EPUB, MOBI, AZW3, FB2, TXT and PDF.

An open-source, pure Rust motion graphics and compositing app modeled on Adobe After Effects, with keyframes, 306 effects and Lottie import/export.