Code commonly flows downstream, from an open-source project into an organization’s own products. Upstreaming is the process of reversing that flow—contributing code back to an open-source project.

The iconic Winamp media player has fulfilled a promise made in May to go open-source and has now published its complete source code on GitHub.

Open source project Moq (pronounced "Mock") has drawn sharp criticism for quietly including a controversial dependency in its latest release.

Source code for Quake II's 2023 rerelease is now available for all. The classic gameplay brings modern updates and is as modder friendly as Doom. The code is GPL-licensed and on Github now.