OpenToonz

OpenToonz is a free, open-source, professional software for creating 2D animation. It offers advanced tools for drawing, compositing, and editing animated sequences. It is used by animation studios and independent artists.

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• Vector and raster drawing. OpenToonz lets you work with vector and bitmap layers. The drawing tools include customizable brushes, smoothed lines, and graphics tablet support. Vector strokes can be edited with nodes to adjust shapes.
• Keyframe animation. The interpolation system generates smooth motion between keyframes defined by the user. Speed curves can be adjusted to control the acceleration and deceleration of animated elements.
• Deformation effects. Includes tools for distorting and transforming elements using deformation meshes. This makes it easier to create organic movements such as character rotations or perspective changes.
• Particle system. Lets you generate complex effects such as smoke, dust, or rain using configurable emitters. The parameters include speed, direction, size, and particle lifetime.
• Multilayer compositing. Supports organizing elements into independent layers with blending modes. Each layer can have its own opacity settings, masks, and applied effects.
• Drawing scanning. Includes features for importing and processing hand-drawn artwork. It offers filters for line cleanup and automatic conversion to vectors.
• Advanced coloring. Offers fill tools with adjustable tolerance and closed-area detection. Colors are managed through customizable palettes with support for flat colors and gradients.
• Camera movement. Lets you animate pans, zooms, and rotations of the main view. You can create complex shots with curved paths and variable focus points.
• Batch rendering. Exports complete sequences in various image or video formats. Supports alpha channels for integration with other post-production software.
• Custom scripting. Includes an interface for programming extensions. This lets you automate repetitive tasks or add specific functionality.

OpenToonz was originally developed by Digital Video S.p.A. in Italy under the name Toonz. The commercial version was used in productions such as "Futurama" and "Princess Mononoke". In 2016, the Japanese company Dwango released the source code under the BSD license. The software is written in C++ with Python components for automation. The developer community maintains regular updates with improvements and bug fixes.

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For OpenToonz there are 5 alternative programs. Free: 4, paid: 1.

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