Installing this app is not for the faint-of-heart or casual users. It requires four different installer files, Gtk+, Gtkmm, Synfig Core, and Synfig Studio.
Once you get past the setup, however, Synfig is a powerful program for those who want to create Flash animations for free. It's neither easier nor harder to use than Flash, but--also like Flash--it requires some diligent study before you can begin using the toolbox effectively. To help you get there, there's a huge volume of documentation and tutorials available at the Synfig Web site.
The app seems to be able to do most--if not all--that its expensive Flash cousin can do, at least as far as animation goes. Features include spatial and temporal resolution independence, pen tablet-sensitive tools, path-based gradients, layering, and an interface that's modular, allowing you to maximize screen real estate. It would be nice to see some more shape tools in future versions, but for a free animator that doesn't devour your system resources, Synfig is absolutely worth trying.






