d2phap / ImageGlass

🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.

SixLabors / ImageSharp

A modern, cross-platform, 2D Graphics library for .NET

webprofusion / certify

Professional ACME Client for Windows (and now cross-platform via Certify Management Hub). Certificate Management UI, powered by Let's Encrypt and compatible with all ACME v2 CAs. Used by over 150,000 organisations. Download from certifytheweb.com

drewnoakes / metadata-extractor-dotnet

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files