Source Code

The source code of QCAD Community Edition (CE) is available on GitHub:

• github.com/qcad/qcad

Building QCAD CE requires Qt 5 or Qt 6. When building with Qt 6, the following repositories are also required:

• github.com/qcad/qcadjsapi
• github.com/qcad/qtjsapi

The source code of the Qt libraries included in the QCAD packages is available here:

• Qt Sources

Part Libraries

The QCAD installation packages only contain a small set of symbols and CAD parts to demonstrate the functionality of the part library. Additional libraries may be downloaded and installed for free using the links below.

Installation: Download and extract. Then add the new library path in the application preferences under Edit > Application Preferences > Widgets > Library Browser > Library Sources.

• Architecture~700 files · 2.1 MBDoors, windows, electrical installation symbols, plants, people, ...Architecture.zip
• Chemistry~50 files · 553 KBChemical symbolsChemistry.zip
• Default~30 files · 123 KBDefault library included with QCAD: examples, hydraulics, mechanics and symbolsdefault.zip
• Electronics~550 files · 2.0 MBICs, capacitors, diodes, ...Electronics.zip
• GIS~10 files · 162 KBMapsGIS.zip
• Hydraulics~100 files · 538 KBHydraulics symbolsHydraulics.zip
• LRM Circuits~130 files · 986 KBCapacitors, connectors, diodes, fuses, inductors, instruments, memories, motors, piezoelectric, resistors, transistors, ...LRMCircuits.zip
• Mechanics~4800 files · 16.2 MBVarious screws, bearings, tapers, washers, DIN and non-DINMechanics.zip
• Misc~80 files · 114 KBModel rail, bicycle parts, ...Misc.zip
• MSR~10 files · 35 KBMSR, DIN 28004MSR.zip
• Processing~200 files · 504 KBDIN 28004Processing.zip
• Technology~7 files · 52 KBCommunication, computer and networking equipmentTechnology.zip
• Templates~25 files · 208 KBDrawing templates: ISO/DIN sheet formats A0–A4 with title blocks, imperial A3 sheets, AEC layerstemplates.zip