Open Source Animation Software
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Animation Software
Browse free open source Animation software and projects for Linux and BSD below. Use the toggles on the left to filter open source Animation software by OS, license, language, programming language, and project status.
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APNG Assembler
Creates APNG animation from PNG/TGA image sequence.
Creates highly optimized Animated PNG files from PNG/TGA image sequences. CLI versions available for all major OSes. GUI versions for Windows and macOS. Also, APNG Disassembler can be found at http://sourceforge.net/projects/apngdis -
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Synfig is a powerful, industrial-strength vector-based 2D animation software package, designed from the ground-up for producing feature-film quality 2D animation with fewer people and resources.
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TupiTube Desk
2D Animation Tool for Children and Teenagers
TupiTube Desk is a 2D animation tool for desktop environments focused on usability for children and amateur artists. It is available for Windows, Mac and Linux operating systems -
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Manim
A community-maintained Python framework for creating animations
A community-maintained Python library for creating mathematical animations. Manim is a free and open-source project originally written by Grant Sanderson. It is now maintained by the Manim Community and permissively released under the MIT license. Manim was originally created by Grant Sanderson as a personal project and for use in his YouTube channel, 3Blue1Brown. As his channel gained popularity, many grew to like the style of his animations and wanted to use manim for their own projects. However, as manim was only intended for personal use, it was very difficult for other users to install and use it. Manim, or ManimCE refers to the community-maintained version of the library. This is the version documented on this website; the package name on PyPI is manim. ManimGL is the latest released version of the library developed by Grant “3b1b” Sanderson. It has more experimental features and breaking changes between versions are not documented. -
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Animated Drawings
Code to accompany "A Method for Animating Children's Drawings"
AnimatedDrawings is a framework that converts user sketches or line drawings into fully animated 2D motion sequences using learned motion priors. The idea is that you draw a simple static figure (stick figure, silhouette, or contour lines), and the system produces plausible skeletal motion (walking, jumping, dancing) that adheres to the drawn shape constraints. The architecture separates shape embedding (to understand user-drawn geometry) from motion embedding / generation (to produce temporally coherent movement). Users can provide rough keyframes or control constraints (pose anchors), and the system fills intermediate frames with fluid animation. The repository includes demonstration apps and notebooks where you can upload or draw shapes and watch animations play. Because the approach is data-driven, it generalizes to new drawings even with varying proportions or stylizations. -
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APNG Disassembler
Deconstruct APNG file into a sequence of PNG frames.
This program converts APNG file into a sequence of individual PNG frames. Command-line interface and GUI viersions. Also, APNG Assembler can be found at http://sourceforge.net/projects/apngasm -
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APNG to GIF
Convert APNG animations into animated GIF format.
This program converts APNG animations into animated GIF format. Wu64 quantization is used for true-color files. Transparency is handled either using a threshold, or composed over chosen background color. CLI version is OS-independent, GUI version is available for Windows. Another converter: http://sourceforge.net/projects/gif2apng -
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QGifer
A video-based animated GIF creator
QGifer is a tool for extracting part of a video to an animated GIF file. The new demonstration video: http://youtu.be/SNTf5eNdL4Q -
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Loaders.css
Delightful, performance-focused pure css loading animations
loaders.css is a collection of pure CSS loading animations designed to drop into any web project without JavaScript or image assets. Each loader is built from simple HTML elements animated with CSS keyframes, transforms, and opacity to create spinners, pulses, bars, and geometric patterns. Because they’re vector-based and CSS-driven, the animations scale cleanly at any resolution and look sharp on high-DPI displays. The library emphasizes small, reusable snippets: you copy a minimal markup block, apply the provided class, and tweak size or color through CSS variables or overrides. Animations are crafted to be smooth and performant, relying on GPU-friendly properties to keep frame rates high even on mobile devices. The set covers common loading metaphors (pulsing dots, rotating squares, bouncing bars), giving designers a consistent visual language across a site while keeping bundle size tiny. -
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GIF to APNG
Convert GIF animations into APNG format.
This program converts GIF animations into animated PNG format. Usually it makes the files smaller. CLI version is OS-independent, GUI version is available for Windows. Another converter: http://sourceforge.net/projects/apng2gif -
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AnimateDiff
Plug-n-play module turning text-to-image models into animation
AnimateDiff is an open-source project designed to enhance text-to-image diffusion models by adding animation capabilities. It allows users to turn static images generated by popular text-to-image models into animated sequences without requiring additional model training. This plug-and-play tool is compatible with a wide range of community models and facilitates the generation of animation directly from pre-existing text-to-image models. It supports various configurations to create animations with different visual styles, providing flexibility and ease of use for developers and artists interested in exploring dynamic, AI-generated animations. -
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GreenSock AS3
Public repository for GreenSock's ActionScript 3 libraries
The public repository for GreenSock’s ActionScript 3 animation libraries (such as GSAP’s TweenLite, TweenMax, and LoaderMax), widely used for creating rich animations in AS3 projects. Public repository for GreenSock's ActionScript 3 libraries like GSAP (TweenLite, TweenMax, etc.) and LoaderMax. For AS2, see the GreenSock-AS2 repository and for JavaScript, see the GreenSock-JS repository. LoaderMax for managing asset loading. Well‑documented and highly modular libraries. -
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frame.js
JavaScript Sequence Editor
frame.js is a tiny utility for orchestrating frame-based animations with requestAnimationFrame while keeping code clean and predictable. It abstracts the boilerplate of setting up a render loop, tracking elapsed time, and updating callbacks at the right cadence. By providing a simple lifecycle—start, stop, tick—it encourages separation between state updates and rendering, which is essential for smooth visuals. The library aims to be unobtrusive: you can drop it into demos or prototypes without adopting a large framework. Because it centralizes timing, it becomes easier to coordinate multiple animated elements or throttle work on low-power devices. For creative coding, micro-games, and UI flourishes, it offers just enough structure to keep animation code tidy. -
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SmartBody
Character animation system for games and simulations.
SmartBody is available for download for Windows, Linux and OSX users. SmartBody can also be used on Android and iOS platforms. SmartBody is a character animation platform that provides the following capabilities in real time: * Locomotion (walk, jog, run, turn, strafe, jump, etc.) * Steering - avoiding obstacles and moving objects * Object manipulation - reach, grasp, touch , pick up objects * Lip Syncing - characters can speak with simultaneous lip-sync using text-to-speech or prerecorded audio * Gazing - robust gazing behavior that incorporates various parts of the body * Nonverbal behavior - gesturing, head nodding and shaking, eye saccades - Online and offline retargeting of motion - Automatic skinning and rigging SmartBody is written in C++ and can be incorporated into most game engines. SmartBody is developed at the USC Institute for Creative Technologies from the Character Animation and Simulation group: http://cas.ict.usc.edu -
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Motion Blur is a free, professional program to simulate various visual effects like blur, judder or tearing that accompany a motion picture. This gives you a preview of how a real motion picture would look like when filmed with the custom parameters.
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An application I designed with animated fish swimming in a tank. The fish swim with in the window boundaries. If they reach/touch the wall they turn another direction. User can specify the number of fish and the speed. The background image can be swa
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animbar generates output for an animation technique known under names such as picket fence animation, barrier grid animation or other trademarked names.
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KPEdit
KPEdit - A 2D skeletal animation editor.
KPEdit is a skeletal animation editor for game developers and animators. It may be a free alternative to the motion capture systems. The application provides functionality that allows the user to create realistic video-based animations. Prerecorded videos can be used as a reference in order to construct skeleton movement sequences. Other features such as interpolation, transformations and video rendering are also available as built-in functions as well as external modules. -
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jAMAL is a Java-based reimplementation of the AMOS Animation Language (AMAL).
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Python Script to process a wave file and transform to movement (key frames) on Blender 2.5. Input: sound file (.wav) Output: Key frames direct into the selected object Work to meshes and bones (location, scale or rotation in any axis)
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CHAMP Animation Making Program, as its name suggests, aims to be a usable animation program primarily for GNU/Linux. It's currently being developed only by me (Thomas Clark), and is being written in C++. At the moment, CHAMP is not finished.
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CMVParser
Read, export and render CMV (Corel MOVE!(tm) 5.0) files.
Provides ability for cross-platform reading, exporting and rendering of CMV (Corel MOVE!(tm) 5.0) files. Includes Windows player with ability for playing of CMV animation and extracting embedded resources. -
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XAMOS
Cross-platform reimplementation of AMOS BASIC (runtime)
XAMOS is a cross-platform reimplementation of AMOS BASIC based on jAMOS, fully re-written in C++ with SDL libraries. Currently runtime only, however is widely compatible with jAMOS projects. -
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Gato (Graph Animation Toolbox): Animate graph algorithms for example for computing shortest paths, minimal spanning trees, maximum flows or maximal cardinality or weight matchings. Create your own animations using the Animated Data Structures (ADS).
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TooRAW is a little app that takes a folder containing a PNG image sequence and merges it into a single RAW video stream. Built with Processing 1.2.1