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Tags: Backend and APIs
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25–43 of 43 · Most stars

Lightweight, zero-dependency Ruby library for parsing the Accept-Language HTTP header. Implements RFC 4647 Basic Filtering to match user language preferences against available locales. Supports quality values, wildcards, exclusions, prefix matching, and BCP 47 tags.

  • http
  • accept-language-parser
  • accept-language

Go module for encoding structs into URL query parameters

  • go
  • querystring
  • form
  • form-data

Complete, dependency-free Go client for the YNAB API — 44 operations, exact integer money, first-class delta sync, contract-tested. Unofficial.

  • ynab
  • ynab-api
  • golang
  • go

Zero-dependency Go input validation, in-place normalization, and JSON Schema generation from struct tags.

Multi-format serialization library for C++17: JSON/JSONC, CSV and MsgPack (dependency-free), plus XML and YAML

  • csv
  • json
  • serialization
  • xml

Modern, Async, Non-Blocking, zero-dependency C++20 RFC 6455 Compliant WebSocket client & server, cross-platform, single-header, WS/WSS support.

👔 Zero-dependency Crystal shard to validate, generate and format Brazilian burocracias (CPF, CNPJ, CEP)

  • crystal
  • crystal-language
  • brazil
  • brasil

Minimal in-memory deferred task scheduler for Go with ID-based debouncing, cancellation, concurrency limits, and graceful shutdown.

A tiny, zero-dependency Go library that validates UUIDs against standard RFC 4122 formatting, converts UUIDv7() into timestamps by ensuring accuracy and light compute.

  • go
  • timestamp
  • uuid
  • good-first-issue

Tiny TypeScript functional dependency injection, based on AsyncLocalStorage. Supports Node.js, Deno

  • fp
  • functional
  • di
  • dependency

Proven and opinionated programming, and configuration model for Java and Vertx based applications. Inspired from ATG Nucleus, provides powerful layer base configuration management using simple properties file.