Open Source C++ ClanLib SDK refreshed for 2015

rombust writes: "Will ClanLib turn around the tides and finally challenge SDL. The latest 4.0 release already offers what Unity and the Unreal Engine charges 30% for, but now after 16 years of development, using only hobbyist developers it will take on the giant of open source game SDKs! Dedication that's rarely found in the Open Source community, without commercial backing.