KiCad
KiCad is awesome you should try it, it could use a good getting started guide, this isn't it... yet.
Projects[edit]
Install Notes (Arch)[edit]
pacman -S kicad kicad-library kicad-library-3d
Download library https://github.com/KiCad/kicad-library and add to search path for symbols
Use Footprint wizard to install from github, may require changing folder permissions, or selecting appropriate directory.