FramaKey might be a bit more popular than Portal. We know about 1 link to it since March 2021 and only 1 link to Portal. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
There's nothing to buy, it's free and already included with Portal 2. Source: over 2 years ago
The website is still online, though, but in French, I'm afraid. https://framakey.org/. Source: over 1 year ago
Antichamber - "A game with half of the attention to detail and imagination Antichamber has would be a smash hit - this bare-bones first-person puzzler is one of the most thought-provoking, engaging, and challenging video games ever developed.
SyMenu - SyMenu is a portable menu launcher and Start Menu replacement to organize your applications quickly...
Quantum Conundrum - Quantum Conundrum is a First-person Perspective game with strong Sci-fi, Puzzle-Platform, and Single-player elements published by Square Enix and developed by Airtight Games.
PortableApps.com - PortableApps.com is a website offering many free, commonly used Windows applications that have been...
Mari0 - What happens when you mash Super Mario Bros. and Portal together?
PStart - PStart is a simple tray tool to start user defined applications.