
Description: Lottie is an open-source animation file format that allows designers to export animations created in After Effects and render them natively on mobile and web. Lottie uses JSON files and Bodymovin to export the animations, allowing them to be lightweight, scalable vector animations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Keyframes is a free and open-source animation software focused on cut-out style animation. It has simple tools for drawing, animating, and rigging 2D characters for cartoons and other productions. Keyframes makes it easy to create frame-by-frame animations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API