Fast, safe, and expressive string formatting library for C++ — the basis for std::format in …

Promise-based HTTP client for the browser and Node.js — interceptors, automatic JSON …

Composable command-line interface toolkit for Python — decorators turn functions into commands …

Library for building powerful CLI applications in Go — used by kubectl, Hugo, GitHub CLI, and …

Modern JavaScript date utility library — pure functions, immutable, tree-shakeable, and …

Google's core Java libraries — collections, caching, primitives, concurrency, I/O, and string …

Fully featured async HTTP client for Python — Requests-compatible API with HTTP/2 and …

Create the next immutable state by mutating a draft — structural sharing under the hood, zero …

High-performance JSON processor for Java — object mapping, streaming API, data binding, and a …

Utility library delivering modularity, performance, and extras for working with arrays, …

Single-header JSON library for Modern C++ — intuitive syntax, STL integration, and no external …

Data validation using Python type hints — parse and validate JSON payloads, configs, and env …

Data-parallelism library for Rust — parallel iterators that use all CPU cores with no unsafe …

Simple, elegant HTTP library for Python — human-friendly API for GET, POST, sessions, …

Beautiful rich text and formatting in the terminal — syntax highlighting, tables, progress …

Serialization and deserialization framework for Rust — derive macros generate blazing-fast …

Powerful async state management for server data — caching, background refetching, pagination, …

Async runtime for Rust — event-driven, non-blocking I/O, task scheduling, and networking …

Complete configuration solution for Go — reads from JSON, TOML, YAML, env vars, flags, and …

TypeScript-first schema declaration and validation — parse untrusted data and infer static …