Blockly is a drag-n-drop library made by Google. It can define custom blocks, include plug-ins, convert blocks to real code, and more.

Many drag-n-drop code interfaces are based on it, most of which are educational.

Microsoft MakeCode (PXT - Programming eXperience Toolkit)

• UpdatedFeb 19, 2026
• TypeScript

MCreator is an open-source software used to make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons, resource packs, and data packs using an intuitive easy-to-learn interface or with an integrated code editor. It is used worldwide by Minecraft players, aspiring mod developers, for education, online classes, and STEM workshops.

• UpdatedFeb 20, 2026
• Java

Plugins, codelabs, and examples related to the Blockly library.

• UpdatedFeb 19, 2026
• JavaScript

The code powering code.org and studio.code.org

• UpdatedFeb 20, 2026
• JavaScript

A Blocks / JavaScript code editor for the micro:bit built on Microsoft MakeCode

• UpdatedFeb 3, 2026
• TypeScript

BlocklyDuino is a web-based visual programming editor for arduino.

• UpdatedJul 4, 2023
• JavaScript

AI IDE for hardware development, support Arduino, MicroPython, ESP32, STM32, RP2040, Nrf5x...

• UpdatedFeb 20, 2026
• TypeScript

Visual programming for Arduino. Based on blockly, implements Arduino code generation and facilitates program uploading.

• UpdatedMay 27, 2024
• JavaScript

BlocklyML is a simple visual programming Tool for python and ML. 🧩 🖥️

• UpdatedAug 23, 2023
• JavaScript

A WPF based visual programming editor and execution engine, which support all the code syntax (including module and object oriented programming), and even you can define your own syntax.

• UpdatedJan 28, 2026
• C#

Script engine for JavaScript and Blockly

• UpdatedFeb 11, 2026
• JavaScript

Self-hosted environment for programming tutorial by LLM

• UpdatedFeb 20, 2026
• TypeScript

Kobra is a visual programming language (like Scratch) for Machine Learning

• UpdatedMar 14, 2023
• TypeScript

Bridging the gap between block programming and JavaScript.

• UpdatedFeb 14, 2026
• JavaScript

Visual DSL framework for django

• UpdatedMar 24, 2025
• CSS

.NET Core API to Blockly - generate from WebAPI, Swagger, OData, GraphQL =>https://visualapi.azurewebsites.net/

• UpdatedNov 20, 2025
• HTML

BIPES: Block based Integrated Platform for Embedded Systems allows text and block based programming for several types of embedded systems and Internet of Things modules using MicroPython, CircuitPython, Python or Snek. You can connect, program, debug and monitor several types of boards using network, USB or Bluetooth. No software install needed!

• UpdatedJan 18, 2026
• JavaScript

All open source file and project for OpenFPGAduino project

• UpdatedOct 27, 2018
• Makefile

reimplementation of google blockly for Unity

• UpdatedNov 2, 2021
• C#

A simple way to program ROS robots using blockly.

• UpdatedNov 22, 2018
• JavaScript