F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
ASP.NET - ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
APKMirror - Android Market and APK Downloads
wai-routes - Type safe routing framework for wai