Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Firepoker - Agile Planning Poker powered by Firebase and AngularJS
VOGSY - Professional service automation tool built on Google G Suite
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Office Timesheets - Professional Services Automation
Taiga - Project management platform for agile developers & designers