PCBWarrior, PCB on the Mac
you can get the actual versions of PCBWarrior.
These versions are useable without restrictions for 30 days. Afterwards functions for printing and saving are disabled.
Here it is possible to register online.
All the known parts
(self-developed and parts made by users)
inside the archives.
There is a tool available for translating the german parts to other languages: look here
You have developed your own parts and want to make them freely available?
Please send them to me. I will include them into the library.