Valve has decided to make its Source SDK free for all users, rather than require at least one Source title be purchased to obtain access to the engine. Valve has confirmed that its Source software ...

In a surprising but completely welcome bid to further earn our love, Valve has decided to release their full SDK for free. What with TF2 becoming free for everyone for ever and all that, Valve's Robin ...

Valve fans can officially play third-party mods on Mac and Linux platforms, all while sporting a VR headset. Before Steam, Valve was best known for two things: The original Half-Life, and an ...

Valve has announced that the latest release of their Source Engine SDK has been released and that it now includes full support for the Oculus Rift Virtual Reality head mounted display. We have ...

Following Integral Ad Science's recent announcement that it will open source its mobile verification software development kit (SDK) for media quality measurement, ExchangeWire caught up with Jason ...