You should not pick a project because it is built on a language you know. You should pick a project because you like what it does, you like using it, or you wa

You should not pick a project because it is built on a language you know. You should pick a project because you like what it does, you like using it, or you want to improve it. Hopefully you use free software if you are asking this, so just look at what you use and evaluate becoming a contributor.