551. harvesterA hand-held, portable sampler and sequencer for playing music with everyday sounds
552. GPhoto2.frameworkMacOS umbrella framework (build environment, not binary itself) including all necessary libraries for libgphoto2
554. slatePrezly software built upon Slate (http://slatejs.org/)
556. WebthereumEthereum programming for web developers -- tutorial and code
562. OpenEmuXPCCommunicatorFramework allowing applications to establish XPC communications between the main app and background processes
564. PyCIRCLeanPython library used by CIRCLean (the USB sanitizer) and others
565. spring-net-socialSpring Social is an extension of the Spring Framework that helps you connect your applications with Software-as-a-Service (SaaS) providers such as Facebook and Twitter
568. pattern-libraryAXA CH UI component library. Please share, comment, create issues and work with us!
569. X230T-HackintoshHere's a guide to running macOS Mojave 10.14.3 (18G95) on a Thinkpad X230T. Star my X230-Hackintosh repo for Catalina guide.
573. cbeccBuilding energy code compliance analysis tools
574. simba-symbolicationA macOS app that symbolicates crash reports. You can use it as a GUI on top of Apple's atos command line tool. It also verifies that the binary executable, symbols file and crash report match, and replaces unsymbolicated symbols in the crash report, which you can save to disk.