Open Source #desktop-app Projects

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

Free, open-source desktop video editor for Linux, Windows, and macOS built with Qt 6 and FFmpeg.

Cross-platform lossless music player with rich library management, synced lyrics, and gapless playback for Windows, macOS, and Linux.

Open source desktop genealogy program for building and exploring detailed family trees with full local data control.

A self-hostable, GUI-first AI coding agent with editable conversation trees, plugin-based tools, and multi-client sessions.

Turn raw screenshots into polished, shareable visuals. Free, open-source, and completely offline with Tauri.

Turn your Android phone into a 4K webcam via USB or WiFi with an open-source desktop client and mobile app.

Cross-platform PDF viewer focused on textbooks and research papers with smart navigation, marks, bookmarks, and bibliography jumping.

Privacy-first, peer-to-peer password manager with end-to-end encryption and no central servers.

Free, open-source screen recorder and video editor with polished demos, captions, zooms, and local AI editing.

KeePassXC is a cross-platform, community-driven port of KeePass Password Safe. Store credentials locally in an encrypted database, with no cloud required and full data control.

Vaultwarden is an unofficial, Bitwarden-compatible server written in Rust. Self-host your password vault with low resource use and full compatibility with all Bitwarden clients.

Local-first desktop project manager for small dev teams with Kanban workflow and zero cloud dependency.

Free and open source multi-track video editor built on MLT Framework and KDE technologies.

Open-source ESP32-powered stream deck with a cross-platform Electron companion app for launching apps, hotkeys, and multi-step actions.

Cross-platform desktop app that removes EXIF and hidden metadata from 90+ file formats before sharing.

Open source desktop Markdown presentation editor with live preview, themes, and PPTX export — a self-contained alternative to PowerPoint.

Free open-source non-linear video editor with hardware-accelerated compositing and cross-platform support.

Scratch is a minimalist, offline-first markdown note-taking app for macOS, Windows, and Linux. Plain text files, keyboard-driven, with no cloud lock-in or account required.

Free cross-platform password manager compatible with KeePass, available as a desktop and web app.

Privacy-first password manager with built-in email aliasing. Fully encrypted and self-hostable.

Open-source platform for fine-tuning and running LLMs locally — 2x faster training with 70% less VRAM. Supports LoRA, QLoRA, DPO, GRPO.

Open-source Bloomberg-style finance terminal built in C++20/Qt6 with embedded Python, AI agents, and 100+ data connectors.

Open-source, local-first screen recorder and timeline video editor for macOS and Windows with AI subtitle generation.

A desktop GUI application for the Hugo static site generator, designed for content editors without command-line knowledge.