LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
KediCAD - CAD/CAM/ FEA software for Linux
DualCAD - Freeware cad application that handles the basic needs of most Microstation users
Flagsmith - Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
DraftSight - Discover Dassault Systèmes®' DRAFTSIGHT™ Professional CAD software that lets you create, edit, view and markup any kind of 2D drawing. Learn more here.
QCAD - QCAD is an application for computer aided drafting in 2D.