Open Source .NET Software & Tools

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

Self-hosted photo and video library with animated thumbnails, full-text search, and optional local speech transcription.

Mnemo is a free, open-source desktop study app combining block-based notes, FSRS flashcards, and mind maps with no accounts or tracking.

Desktop photo manager and image editor for Linux, Windows, and macOS with RAW development, batch processing, and Immich/Nextcloud integration.

Open source game engine that reimplements early Westwood classics including Command & Conquer: Red Alert, Tiberian Dawn, and Dune 2000.

Self-hosted reading server for manga, comics, and ebooks with responsive web readers, smart filters, and an OPDS feed.

Self-hosted MCP server that gives AI agents SEC filings, XBRL financials, 13F holdings, insider and congressional trades, and daily prices.

PixiEditor is a universal open-source 2D editor for pixel art, painting, vector graphics, and animation. Powerful tools wrapped in a modern, friendly interface for every creator.

A zero-config, FOSS URL shortener with QR code generation and OpenTelemetry support, built in ASP.NET Core.