I've been collecting a similar little list as well, here it is on my blog: http://blog.rplasil.name/2016/06/my-list-of-high-quality-online-resources.html http:

I've been collecting a similar little list as well, here it is on my blog: http://blog.rplasil.name/2016/06/my-list-of-high-quality-online-resources.html http://blog.rplasil.name/2016/06/my-list-of-high-quality-onl... Welcome any other (high-quality) additions!