[CadSoft](http://www.cadsoftusa.com/) makes EAGLE, a popular piece of
software for designing electrical circuits and laying out PCBs. It runs
on Windows, Mac OS X, and Linux. There's a [free (as in beer)
version](http://www.cadsoftusa.com/freeware.htm) available for
non-profit use.

### Learning

#### Sparkfun Tutorial Series

- [Getting started with
  eagle](http://sparkfun.com/commerce/tutorial_info.php?tutorials_id=108)
- [The basics of laying out a PCB with
  eagle](http://sparkfun.com/commerce/tutorial_info.php?tutorials_id=109)
- [How to create a custom footprint & part in
  eagle](http://sparkfun.com/commerce/tutorial_info.php?tutorials_id=110)

#### Instructables

- [Draw Electronic Schematics with CadSoft
  EAGLE](http://www.instructables.com/id/Draw-Electronic-Schematics-with-CadSoft-EAGLE/)
- [Turn your EAGLE schematic into a
  PCB](http://www.instructables.com/id/Turn-your-EAGLE-schematic-into-a-PCB/)
- [Make hobbyist PCBs with professional CAD tools by modifying "Design
  Rules"](http://www.instructables.com/id/Make-hobbyist-PCBs-with-professional-CAD-tools-by-/)
- [How to make a custom library part in Eagle CAD
  tool](http://www.instructables.com/id/How-to-make-a-custom-library-part-in-Eagle-CAD-too/)

### Parts Libraries

- [Sparkfun Eagle
  Library](http://www.opencircuits.com/SFE_Footprint_Library_Eagle)
- [CadSoft's user-contributed
  libraries](http://www.cadsoftusa.com/cgi-bin/download.pl?page=/home/cadsoft/html_public/download.htm.en&dir=eagle/userfiles/libraries)
- [Adafruit Eagle
  Library](http://github.com/adafruit/Adafruit-Eagle-Library/blob/master/adafruit.lbr)

### User Language Programs (ULPs)

- [epscdraw_411.ulp](ftp://ftp.cadsoft.de/eagle/userfiles/ulp/epscdraw_411.ulp)
  outputs color EPS (encapsulated PostScript). Handy for printing

[Category:Useful_Info](Category:Useful_Info "wikilink")