DocGen - Static website generator
Zeplin - Collaboration app for UI designers & frontend developers
openSourceCM - Web-based legal document processing and contract management
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
LogicalDOC - A document management system such as LogicalDOC can help your organization better manage business processes and put order in the chaos of documents every day run your business.
ActiveWords - Auto correct on steroids