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Construct rate curves and inspect fixed-income price sensitivities

A scriptable macOS font editor built around UFO files.

An interactive introduction to Python

Edit plain-text and source files on macOS with syntax highlighting, encoding tools, scripting, and regex search.

Work with notebooks, code files, consoles, and terminals in a browser-based interactive development environment.

Browser-based coding and AI courses with live code execution

Jupyter-native AI agent that writes, runs, and debugs Python in notebooks.

Collaborative analytics platform for SQL, Python, R, and dashboards

Beginner programming books available to read online

Python and TypeScript practice through coding missions

Multimodal lakehouse for AI data curation, feature engineering, and search

Deploy serverless JavaScript, TypeScript, Python, or Rust code to Cloudflare's edge network.

Render technical Markdown and notebooks into reports, books, slides, and websites.

An interactive browser notebook for mixing executable code, narrative, and rich results in one computational document.

A persistent cloud VS Code workspace with a Linux container, terminal, debugger, and ready-made project templates.

A common language for computational mathematics

Convert HTML and CSS into PDF without a browser engine

A lightweight IDE that draws code structure diagrams and visualizes runtime data structures.

A Windows source-code editor with syntax highlighting, tabbed files, and search across documents.

Self-managed static analysis that reports code quality and security issues in the CI workflow.

AI tool that turns screenshots and videos into front-end code.

AI coding assistant that writes and explains code

Practice-led coding paths for data work

Study an exploratory Python engine for historical equities tests