In CSS, you can create keyframes and use them for animations on different elements of your Web pages, including buttons. Keyframes consist of a single, reusable animation with properties set at ...

Pencil2D is a free and open-source animation tool, which makes it ideal for all types of users, especially creatives who want to create basic animations without the overhead of software costs.

Features included in MotionBuilder’s 7.5 release are new keyframe workflows that help streamline animation. You can edit animation from within the timeline, use a rearchitected Undo system and more.

Moho is designed to enable artists to create animated cartoons, and includes drawing and color tools as well as keyframe animation tools, multi-layer compositing and more.