Repository Index

Zero allocation Nullable structures in one library with handy conversion functions, marshallers and unmarshallers

• golang

Email library for Crystal. Testable, adapter-based, and catches bugs for you. Comes with an adapter for SendGrid.

• crystal-lang
• email-sender
• hacktoberfest

A fast, robust, richly-featured table serialisation library for Lua

Simple golang airtable API wrapper

• golang
• go
• airtable
• api

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

Simple and scalable boilerplate to build powerful and organized REST projects with Fiber.

• boilerplate
• fiber
• fx
• go

Build declarative GraphQL queries in Swift.

• graphql
• function-builder
• domain-specific-language
• swift

KBCsv is an efficient, easy to use .NET parsing and writing library for the CSV (comma-separated values) format.

• csv
• netstandard
• c-sharp
• dotnet

Rails tagging system that stores tags in a PostgreSQL array column or an SQLite JSON column – no join tables, no extra models, no N+1 queries.

• tagging
• rails-gem
• social
• rails-tagging

Creates a readable stream producing cryptographically strong pseudo-random data using `crypto.randomBytes()`

• random-bytes
• random
• crypto
• pseudo-random-generator

Turms is a pure python implementation of the awesome graphql-codegen library, following a simliar extensible design.

• graphql
• python
• pydantic

Fast cartesian product

• cartesian
• cartesian-product
• performance
• sets

RapidMQ is a pure, extremely productive, lightweight and reliable library for managing of the local messages queue

Veganify is a modern webapp that allows you to easily scan EAN barcodes to check if a product is vegan-friendly. With a database of over 3 million products, you can quickly find out if your favorite foods and products are suitable for a vegan diet.

• scanner
• barcode
• html5
• javascript

A Swift Encoder for encoding any Encodable value into an array of URLQueryItem.

• swift
• encoder
• encodable
• url

Durable execution framework for AI agents in Go. Keeps agent state, tool calls, and execution loops resilient across process crashes.

• agentic-ai
• ai
• ai-agents
• golang

Drop-in Symfony bundle for currency conversion: configurable services, multi-provider exchange rates with fallback and caching.

• php
• symfony
• exchange-rates
• currency-conversion

Counter caches for Rails computed from any block, such as conditional counts or sums, kept up to date by callbacks on any number of models and stored in a column, a shared counters table or your cache store. Recounts run after commit, so concurrent saves can't leave a stale value.

juntagrico is a management platform for community gardens and vegetable cooperatives.

• python
• django
• cooperative
• community

A comprehensive set of composable foundational C++ libraries and CMake utilities to power Sourcemeta projects. Note we don't provide any stable ABI/API guarantees to external users outside Sourcemeta

• cpp
• cxx
• json
• json-pointer

Page-specific javascript for Rails applications with the ability of passing data.

Create a readable Node.js stream that produces no data (or optionally blank data) or a writable stream that discards data

• readable-stream
• stream
• nodejs-stream
• noop

Fast and flexible serialization framework usable on undecorated classes.

flexible data type for Go

• golang
• go
• generic
• types