2025

• RDAP (Registration Data Access Protocol) is the definitive source for delivering generic top-level domain name (gTLD) registration information in place of WHOIS services. Open Source Command-Line Tool.

2024

• Real-time map of every Starlink satellite in orbit. As of 2024-Mar, there are 5,601 orbiting satellites.
• REOR is an open-source AI note-taking app that runs models locally.
• Realtime Global Threat assessment driven by AI.

2023

• Recommended Cloudflare Performance and Security Settings is a good starting guide if you use Cloudflare for your website(s). (archive)
• Rem is an open source approach to locally record everything you view on your Apple Silicon computer. The commercial competitor is Rewind.
• Rough.js is an open source graphics library that lets you draw in a sketchy, hand-drawn-like, style.