.sb3 file: how to open it on Windows

6 Windows apps register the .sb3 extension. Install one of them to open the file with a double-click.

TurboWarp
TurboWarp is a mod of Scratch with a compiler and more features.

Open source 1.17.0 ★ 628
ClipCC Beta
A graphical programming suite.

Open source 3.1.2-beta2 ★ 35
ClipCC
A graphical programming suite.

Open source 3.1.4 ★ 35
02Engine
02Engine — A faster, stronger, richer creative engine for the hardcore.

Open source 1.3.1 ★ 13
Scratch 3
Discover apps from Scratch and our friends at the MIT Media Lab to create and share projects, code with the newest learners, try experimental Scratch blocks, and beyond.

Free 3.32.1
PictoBlox
Creator Tool for Coding, AI, AR-VR and Robotics

Proprietary 9.0.1