# pcb-rnd User Manual: Appendix

## External Resources

## 9.2.1 pcb-rnd community Resources

1. repo.hu is the pcb-rnd maintainer's SVN based project hosting site
2. Contributer erichVK5's blog, (including many posts directly and indirectly relevant to pcb-rnd)
3. Contributer erichVK5's github repository

## 9.2.2 resources on building and contributing to pcb-rnd

1. contribution guidelines for pcb-rnd
2. live chat with the pcb-rnd user community
3. StackOverflow discussion on using svn

## 9.2.3 Printed Circuit Board fabrication Resources

1. PCB Reference for pth and smt pcb footprint definitions pdf warning!
2. AN4005 example industry appnote of layout considerations (many abound)

## 9.2.4 EDA Resource Links

1. KiCAD: http://kicad-pcb.org
2. Eagle: https://www.autodesk.com/products/eagle/overview
3. gEDA: http://www.geda-project.org