Interactive architecture diagrams for codebases

google maps for vibecoders.

Function call & call stack diagrams for VS Code (Python/TS/JS). Architecture/UML, PlantUML export.

Interactive Python code to flowchart visualizer — write code, see it flow.

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

Fly over any codebase like a city: files as buildings, churn as height, real data-flows animated. Any repo gets structure + history; JS/TS & Firebase add dependencies, flows & services.

Next js and prisma code interactive visualizer

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.

Unity Code Viewer

Interactive live architecture viewer for Python projects — parses real AST, renders a dependency graph in your browser, updates as you code. Annotate directly on the graph.