OSGCC: Open Source Game Coding Competition

Fonts

Here are some links to some fonts that are mostly for non-commercial purposes.

Music

Here are some links to music that you can use for non-commercial purposes.

Sound Effects

It may take some time to go through these, but there are many resources for creative commons (or in the spirit of CC) sound effects.

Images

Here are some links to pictures or sprites that you can use for non-commercial purposes.

Textures

Some nice free textures. Give attribution when you can!

Sprites

Here are some more sprite-oriented images that are under the creative commons.

Corpi

Here are some data sets that might be useful for word based puzzle games.

Interactive Fiction

Sometimes a game does not really have to be completely, well, a game. The impact of a good narrative can be very powerful. Here are some starting points if you are interested in the art of coding a story. (Although, beware, for you might end up in a maze of twisty little passages, all alike.)

Frameworks and Tutorials

Here are some websites that point you toward frameworks that you can use to jump start your game or tutorials to guide you though the usage of such packages.

CC0