Apps similar to PixiJS include Godot Engine, which is free and open source. Other options are GABE, microStudio, Bevy Game Engine and UPBGE. Game Development Tools like PixiJS are a crowded field, with more than 25 alternatives for Windows, Linux, self-hosting, Mac and the web.
Godot Engine is a feature-packed, cross-platform game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel.
Argentina
Offers an integrated Gradle build environment for compiling, building, and testing Godot game projects natively on Android, supporting seamless on-device workflows without a PC. Facilitates game development using open-source tools within the Android editor environment.
Argentina
microStudio is a free game engine online. Create games, learn programming, play, share, prototype and jam!.
France
EU
A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever!
Fibbo is a free and open-source web-based game engine that allows you to create interactive experiences using JavaScript, right in your browser.
Xogot brings the full power of the Godot game engine to iPad. With a native iPad experience designed for touch, you can create, test, and share games wherever inspiration strikes.
Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.
United Kingdom
3D game engine that uses web technologies. Perfect for those who already know TypeScript and want to collaborate with designers and artists to create 3D experiences.
SwedenEU
p5.js a JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing.
Moddio is a Multiplayer-First Game Engine. It has a built-in server-authoritative netcode, including snapshot interpolation and client-side reconciliation. It can support 50+ concurrent players or 300+ moving entities hosted on a $5/month VM.
United States
GemRB (Game Engine Made with preRendered Background) is a portable open-source reimplementation of the Infinity Engine that underpinned Baldur's Gate, Icewind Dale and Planescape: Torment. It sports a cleaner design, greater extensibility and several innovations.
GermanyEU
