Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
Vabotu - More than slack. More than Trello. FREE.
Zeplin - Collaboration app for UI designers & frontend developers
Kurator - The premier Chrome extension for savvy researchers and publishers alike. Curate your interest and publish to your website, newsletter and social media sites directly from the browser.
Abstract - A secure, version-controlled hub for your design files
Sensive - Design collaboration for everyone