Debategraph is a wiki debate mindmapping and visualization tool that lets you: present the strongest case on any debate that matters to you; openly engage the opposing arguments; create and reshape debates, make new points, rate and filter the arguments; monitor the evolution of debates via RSS feeds; and, share and reuse the debates on and offline.

Superpowers is an HTML5 development environment for making 2D and 3D games. It can be extended with plugins and lets you collaborate in real-time.

In this puzzle game, you need to rearrange the points on the graph so that no lines cross and no point is sitting on any of the lines.

If you're traveling somewhere, try using this handy tool to figure out what you need to pack. Packing Essentials takes into account the season, how long you're gone, what type of trip it is, and the weather when generating your packing and to-do list.

Use this handy calculator to figure out the best time to go to sleep or the best time to wake up.