Visual programming

OpenSimulator is an open-source server platform for hosting virtual worlds and the Metaverse. It is largely compatible with the virtual world Second Life but compatibility is not a design goal.

The world's most widely used tracking library for augmented reality.

Open Cobalt Alpha is the first step in a long term project to make available to all people a free and open source platform for constructing, accessing, and sharing virtual workspaces for research and education.

Virtual Reality for Lua.

Vircadia is an open-source 3D interface and server solution that allows for vast social & educational environments to be created and lived in while also being shared in real-time with others.

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.

GDevelop is an open-source game making software designed to be used by everyone. Any kind of 2D games can be created with it and no programming skills are required to get started. Logic of games are made using visual events.

p5.js a JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing.

Orange is an open-source, cross-platform data mining and machine learning suite. It features visual programming as intuitive means of combining data analysis and interactive visualization methods into powerful workflows.

Free open-source 3D software for modeling, texturing, rigging, animation, rendering, compositing, video editing, and simulation.

Describes ToonTalk - an animated interactive world inside of which children can build programs and games.

Etoys is an educational tool for teaching children powerful ideas in compelling ways. Etoys is a media-rich authoring environment and visual programming system.

MAGE stands for MAKE A GAME EXPERIENCE

The goal for MAGE is to make it as easy as possible for people to create their own 3D universes, adventures and stories. PLAY WHILE YOU CREATE!.

Scratch is a programming language that makes it easy to create your own interactive stories, animations, games, music, and art -- and share your creations on the web. As young people create and share Scratch projects, they learn important mathematical and computational ideas...

django CMS is an Enterprise CMS built with Django and one of the most active open-source projects in the Django ecosystem. Since 2007 it powers tens of thousands of websites across the world, and benefits from a friendly developer community.