Deliver real-time HTML code testing by pasting code for immediate results, seamlessly compatible with ChatGPT Canvas and Claude Sonnet 1.5.

Deliver real-time HTML code testing by pasting code for immediate results, seamlessly compatible with ChatGPT Canvas and Claude Sonnet 1.5.

Python Tutor helps people overcome a fundamental barrier to learning programming: understanding what happens as the computer executes each line of a program's source code.

Software projects are displayed by Gource as an animated tree with the root directory of the project at its centre. Directories appear as branches with files as leaves. Developers can be seen working on the tree at the times they contributed to the project.




A platform that helps developers learn computer science by visualizing how their code runs. Instead of just reading theory, users can paste or write code and instantly see it animated step by step, making complex algorithms and programming concepts easier to grasp.




CodeViz builds a visual map of your codebase for faster understanding and navigation. Engineers spend a fraction of time actually typing code — we're fixing that.


Provides an at-a-glance overview of the repository structure. Finer details can be explored via zooming and tooltips. It makes exploring large and complex projects a breeze.

CodeFlower visualizes source repositories using an interactive tree. Each disc represents a file, with a radius proportional to the number of lines of code (loc). All rendering is done client-side, in JavaScript.




PhpMetrics provides metrics about PHP project and classes, with beautiful and readable HTML report.


cee.studio is a browser-based online IDE for C language development featuring a debugger that lets you visualize code execution. The recorded execution can be rewound to any statements and replayed. It provides a visual effect of C code statement by statement.

Blazingly fast code search. Deployed as a single Docker image. Search million+ lines of code in your GitHub and GitLab repositories.




PVTS (Pilo Visual Tools) is a visual interpreter for the Scheme functional programming languages. Although Pilo Visual Tools for Scheme is a basic interpreter, anyone learning the basics of recursion or seeking to enhance their understanding of how pointers and lists work can...


JIVE is an interactive execution environment for Eclipse that provides visualizations of Java program execution at different levels of granularity. JIVE provides a search engine over the runtime structures and helps pinpoint errors that occur at any point in the execution...



