nanim is a protobuf based 2D animation file format optimized for games.
The project goals are to specify and promote free and opensource tools for a modern 2d animation file format:
|Windows XP / Vista / 7||Download installer|
|Debian stable Ubuntu 12.04 LTS||Download deb package|
|Red Hat Fedora Suse||Coming soon!|
|Linux MacosX and other OS||Download cross platform installer|
Make sure java is installed on your computer.
nanimstudio is free (BSD license) cross platform (Linux, Mac, Windows) graphical tool to edit nanim files. It also support gif, apng and spritesheets.
The nanim SDK is a collection of free tools (BSD license):