code-visualization-tool

BackLens helps you explore codebases as a semantic call graph inside VS Code and on the web.

Interactive, always up-to-date architecture diagrams for your codebase — 3D Stack Layer and Class Diagram views from static analysis, no LLM calls. Desktop app + CLI.

Code-Visio is a developer tool that turns a running application into an interactive map of its code execution

Watch your code run. An interactive web app that executes JavaScript and Python step by step and visualizes data structures as they change — with LeetCode-style practice problems and a built-in judge.