Pretzel - Keyboard shortcuts for the app you're currently using

LibHunt - LibHunt tracks mentions of software libraries on relevant social networks. Based on that data, you can find the most popular projects and their alternatives.

KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.

Ruby Toolbox - Explore and compare open source Ruby libraries

Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.

GitNews Web - Trending repositories from GitHub, HackerNews & Reddit