Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.
Zeplin - Collaboration app for UI designers & frontend developers
Gainful.io - Capture B2B leads on AngelList, CrunchBase and LinkedIn
Abstract - A secure, version-controlled hub for your design files
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
Pamela for Skype - A versatile and easy to use Skype audio and video recording software. Features