Apps similar to Scratch include GDevelop, which is open source with a free version. Other options are Code.org, microStudio, Pocket Code and ct.js. Game Development Tools like Scratch are a crowded field, with more than 50 alternatives for Windows, the web, Mac, Linux and iPhone.
Browser-based 2D game creation engine using a visual event-driven system, integrates JavaScript for advanced development, requires no installation or prior programming, supports exporting to HTML5, mobile platforms, Xbox One, and enables real-time editing on any device.
United Kingdom
EduBlocks is a visual block based programming tool that will hopefully help teachers to introduce text based programming languages, like Python, to children at an earlier age.
TurboWarp is a Scratch mod that compiles projects to JavaScript to make them run really fast.
Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.
Finland
EU
Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing.
United States
codeSpark Academy teaches the basics of computer programming through a variety of interactive learning activities including puzzles, games, step-by-step creative projects, game design and offline printables – all of which can be monitored by parents.
United States
Develop your programming skills by quickly creating and modding retro arcade games with Blocks, JavaScript and Python in the online MakeCode editor, the offline app or your own local pxt-arcade server.
United States
Etoys is an educational tool for teaching children powerful ideas in compelling ways. Etoys is a media-rich authoring environment and visual programming system.
One-stop coding platform tailored to coding education. With mBlock, students can easily create games, animations and program robots by dragging and dropping blocks, or through writing Python.
United Kingdom
Flowgorithm is a free application that helps you create programs using simple flowcharts.
United States
Banquise is a global community of players and creators. Create any games or other interactive content in no-code and share it with the whole community.
A Scratch-based application with which you can program a wide variety of devices (Arduino, BBC micro:bit, STM32, SAMD51, ESP32, NRF5 ... ).
