LuLu is the free macOS firewall

MacOS system extension that allows applications to pass audio to other applications. Soundflower works on macOS Catalina.

Three20 is an Objective-C library for iPhone developers

Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone

ResearchKit is an open source software framework that makes it easy to create apps for medical research or for other research projects.

🎶 Turn Google Play Music into a separate, beautiful application that integrates with your Mac.

A free, native Apple macOS app for testing HTTP/REST endpoints

card.io provides fast, easy credit card scanning in mobile apps

Magic auto brightness based on screen contents 💡

Facebook Analytics In-App Notifications Framework

Y Combinator Hacker News menu tab for mac

Connect to Drupal Services with PhoneGap