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!
Rivery.io - Rivery is a web-based development platform that is used to manage, create, control, and monitor a large number of data pipelines.
VOGSY - Professional service automation tool built on Google G Suite
RapidClipse - RapidClipse is a web-based development platform that allows you to build the app with Java and provides you with a hustle-free configuration.
Office Timesheets - Professional Services Automation
Decision.io - Decision.io is an interesting platform that provides you the simple features to develop the app or an integrated workflow without using any program language or code.