Blend4Web is described as 'tool for interactive 3D visualization on the Internet' and is an app in the Photos & Graphics category. There are more than 10 alternatives to Blend4Web for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is Godot Engine, which is both free and Open Source. Other great apps like Blend4Web are Unity (Freemium), Unreal Engine (Freemium), Verge3D (Freemium) and Sketchfab (Freemium).
Marmoset Toolbag™ is a full-featured, real-time material editor and renderer bundled in a tidy package. Toolbag provides 3D artists a powerful and efficient workflow, bringing exemplary rendering quality to every stage of the 3D art pipeline.
batari Basic (bB) is a BASIC-like language for creating Atari 2600 games. It creates a binary file that can be run on an Atari 2600 emulator or the binary file may be used to make a cartridge that will operate on a real Atari 2600.
A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever! Data Driven All engine and game logic uses Bevy ECS, a custom Entity Component System - Fast: Massively Parallel and Cache-Friendly.
Shubus Viewer is unique of its kind utility which allows create texts and HTML pages, view pictures, play games. Shubus Viewer represents Shubus Corporation's point of view, how user-friendly application should look really.
The only true complete development platform for online games. HeroEngine seamlessly integrates the entire client and server architecture required to operate an online game directly into the development process.