The best open source alternative to Cavalry is Natron. If that doesn't suit you, our users have ranked more than 10 alternatives to Cavalry and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Cavalry are OpenToonz, Synfig Studio, Glaxnimate and Friction.
Natron is an open source, cross platform nodal compositing application. It is built around industry standard open source tech such as OpenFX, OpenEXR, OpenColorIO and OpenImageIO. The feature set includes realtime playback/RAM cache, multi-threaded rendering, 2d tracking...
Open-source 2D animation software supporting raster and vector workflows, node-based compositing, plug-in extensions, anti-aliased painting, and support for major platforms, developed in collaboration with Studio Ghibli and suitable for commercial projects.
Open-source 2D software for creating animations with vector and bitmap artwork, advanced bone rigging, tweening, timeline editing, onion skinning, multi-layer effects, audio sync, and multi-format rendering on Windows, Linux, and macOS.
Open-source animation software focused on simple, fast creation of vector graphics, supporting short web animations and exporting to GIF, SVG, WebP, Lottie, and more for web compatibility. Designed for ease of use across major platforms.
Friction is a powerful and versatile motion graphics application that allows you to create vector and raster animations for web and video platforms with ease.
Despite Apart from advanced features, it is possible to achieve a similar result through Friction, as both have similar proposals.
Enve is a free and open-source 2D animation app. It can create both vector and raster animations and even use sound and video files. It has been created with flexibility and expandability in mind.
Despite the qualities of a software in the development stage, Enve manages to be a powerful tool in its category, for being so malleable and knowing how to work the timeline and also layers.
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Natron can't compare to Cavalry - Natron is a kind of video effects editing not an animation making software