On Wednesday, YouTube announced the next step in its transformation from destination to application, releasing a set of free software tools that let Web developers create fully functional YouTube players on their own sites.

FORBES: Yes, You Too Can YouTube

To some observers, the challenges Google is facing in creating a rival destination to Facebook and Twitter Inc. evokes the problems that software giant Microsoft Corp.

WSJ: The Mounting Minuses at Google+

SourceForge, a destination for technology professionals and enthusiasts to develop, download, review and publish open source software, much of which they use in their own organizations.

ENGADGET: Dice Holdings buys Slashdot, Freecode and SourceForge for $20 million

Oct 2, 2012 -- Valve, creators of best-selling game franchises (such as Counter-Strike, Half-Life, Left 4 Dead, Portal, and Team Fortress) and leading technologies (such as Steam and Source), today announced the first Software titles have launched via Steam, marking a major expansion to the platform known as a leading destination for PC and Mac games.

ENGADGET: First non-game titles now available on Steam, game dev tools lead the charge