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!
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
VOGSY - Professional service automation tool built on Google G Suite
Autodesk AutoCAD - Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application.
Office Timesheets - Professional Services Automation
FreeCAD - An open-source parametric 3D modeler