British bingo runs in your browser and uses 3 by 9 boards. The game simulates the other players. Players make mistakes and chat. Players leave, join, and re-join between and during games. You can have over 10,000 players. You can hear the players and the caller talk. You can change the sizes to fit a small screen
Quizzley is a simple site that allows you to create a quiz or a poll and distribute it to your audience. Once your audience pairs with the quiz/poll, their smartphone will automatically transform into the voting pad. It's a fast way to interact with your audience; no authentication or registration are needed.
StreetSign is a digital signage system, originally written for the TeenStreet 2013 (Germany) youth congress. It works with a single server, and multiple client computers connect over the network. It is lightweight enough that a Raspberry PI can run as the server for smaller installations.
Playtomic is a set of client and server APIs for game leaderboards, user generated content, and dynamic updates. It began as a hosted service providing tools and analytics for game developers, but is now available for developers to operate on their own. It includes the API server which is written in NodeJS and backed with MongoDB, along with game client APIs for HTML5, Flash, iOS, Android, Windows, and Unity3d games.
phpVirtualBox is an AJAX implementation of the VirtualBox user interface written in PHP. As a modern Web interface, it allows you to access and control remote VirtualBox instances. Much of its verbage and some of its code is based on the (inactive) vboxweb project. It was created for people who prefer not to have to log in to their headless VirtualBox host to administer their virtual machines.
Kaiku (Japanese for "evolution", Finnish for "echo") is a Web-based reservation system for physical items. It allows you to check what is in the inventory and to keep track of who has borrowed which items. It was designed for use within a university to reserve and keep track of phones, tablets, and other gadgets borrowed by students.