自由CAD
描述：
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.
- Completely and Utterly Free: No worries about trials, subscriptions, license costs or annual fees.
- Open Source and GPLv2: Developed by an experienced team and supported by an awesome community, LibreCAD is also free to hack and copy.
- No Language Barriers: It’s available in over 30 languages with cross-platform support for macOS, Windows, and Linux.
