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"LibreCAD is a free Open Source CAD application for Windows, Apple and Linux. Support and documentation are free from our large, dedicated community of users, contributors and developers." The core of LibreCAD v 1 & 2 was built on the free/libre version of QCAD. There is a second release candidate for LibreCAD 2.2 which uses Gtk5 and has better DWG import.
LibreCAD is undergoing a full re-write to version 3. You'll find everything you need to know about LibreCAD on their website
LibreCAD 3 (no stable releases)
- Source, issues etc: https://github.com/LibreCAD/LibreCAD
- LibreCAD 3: https://github.com/LibreCAD/LibreCAD_3
- LibreCAD v2.1.3 portable app for windows: https://portableapps.com/apps/graphics_pictures/librecad-portable
- DesktopCAD has some interesting articles about using LibreCAD