Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
massCode - A free and open source code snippets manager for developers.
Zeplin - Collaboration app for UI designers & frontend developers
GitHub Gist - Gist is a simple way to share snippets and pastes with others.
ActiveWords - Auto correct on steroids
Simple Snippets - Simple Snippets is place to easily create and manage your code snippets. The main features of the Simple Snippets: code highlighting, snippet groups, public and private snippets.