Animation is a method in which figures are manipulated to appear as moving images.
Animated sprite editor & pixel art tool (Windows, macOS, Linux)
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
The official rendering library for PAG (Portable Animated Graphics) files that renders After Effects animations natively across multiple platforms.
Open source c++ skeletal animation library and toolset
Replicated and optimized community version of Advanced Locomotion System V4 for Unreal Engine 5.4 with additional features & bug fixes
Fluid simulation engine for computer graphics applications
Rhubarb Lip Sync is a command-line tool that automatically creates 2D mouth animation from voice recordings. You can use it for characters in computer games, in animated cartoons, or in any other project that requires animating mouths based on existing recordings.
This is the Official source code repository of the Synfig project
Open source C++ physics engine library in 3D
Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations. Pencil2D is open source and cross-platform.
Completely reworked and improved C++ version of Advanced Locomotion System V4.
Esoterica Engine
Thor Vector Graphics is a lightweight portable library used for drawing vector-based scenes and animations including SVG and Lottie. It can be freely utilized across various software platforms and applications to visualize graphical contents.
A PIC/FLIP fluid simulation based on the methods found in Robert Bridson's "Fluid Simulation for Computer Graphics"
P(R*_{3, 0, 1}) specialized SIMD Geometric Algebra Library