Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Viral Rails Course - Build the prelaunch campaign used by Harry's Shave Club
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
Dumper - Dumper enables you to dump selected SQL Server tables and save them as local .sql files containing data for a duplicate table or for backup.
GoodBarber - GoodBarber is a mobile app creation platform.
Codecademy's Learn Rails - Codecademy's new learning interface now teaches you Rails