Brisk is a macOS app for filing Radars and optionally crossposting them to Open Radar. Brisk is written in Swift and uses Sonar to communicate with Apple's Radar web "APIs". Brisk supports two factor auth, attachments, and saving radars as drafts.
FreeFileSync is a free Open Source software that helps you synchronize files and synchronize folders for Windows, Linux and macOS. It is designed to save your time setting up and running backup jobs while having nice visual feedback along the way. MAC version. https://www.freefilesync.org/
DB Browser for SQLite 3.9.1 is a high quality, visual, open source tool to create, design, and edit database files compatible with SQLite. It is for users and developers wanting to create databases, search, and edit data. It uses a familiar spreadsheet-like interface, and you don't need to learn complicated SQL commands. MAC http://sqlitebrowser.org/
Easy to Read and Write Multi-chain Animations Kit in Objective-C and Swift. LSAnimator requires iOS 7.0+. CoreAnimator requires iOS 9.0+.