LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
SketchUp - 3D for Everyone
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
FreeCAD - An open-source parametric 3D modeler
Planist - Schedule meetings in an easy way Planist can connect with your google calendar to automatically check availability and help you connect with your best contacts, prospects, and clients.