Guidance from the Go project on writing clear, idiomatic Go, covering formatting, naming, control structures, interfaces, concurrency, error handling, and common language conventions.

An open-source TypeScript toolkit for sending transactional email through a unified API.

Documentation and guides for ESLint, a JavaScript and TypeScript linting tool used to identify problematic patterns, enforce coding conventions, and improve code quality.

The official Git documentation containing the reference manual, command documentation, concepts, configuration options, and detailed information about Git's version-control system.

Go's official learning portal, bringing together tutorials, language documentation, interactive exercises, and guidance for learning the language and building software with Go.

Google's central developer portal containing technical documentation, APIs, SDKs, learning materials, tools, and resources across Google's developer technologies.

Rust's official learning hub containing the Rust Book, Rust By Example, Rustlings, documentation, and other materials for progressing from initial concepts to more advanced Rust development.

An open-source theme and feature framework that extends MkDocs with modern documentation layouts, search, navigation, code features, and customization options.

Python's official documentation covering the language reference, standard library, tutorials, installation, setup, and other resources needed to develop applications with Python.

Ruby's official learning and documentation hub, providing guides, language documentation, tutorials, and resources for learning Ruby and building applications with the language.

A local API emulation tool designed for testing integrations and web infrastructure without depending on live external services or production credentials.