High performance, lightweight .xlsx parser for Ruby that provides nothing a CSV parser wouldn't

The best Rails forums engine ever.

Lightweight C++ JSON parser & serializer that is C++98 compatible with no dependencies

Cipher is an opensource memory layer specifically designed for coding agents. Compatible with Cursor, Windsurf, Claude Desktop, Claude Code, Gemini CLI, AWS's Kiro, VS Code, and Roo Code through MC…

Cupertino fields compatible with Flutter Form Builder

Building block for spree social networking features (provides authentication and account linkage)

A Pure ruby library to merge PDF files, number pages and maybe more...

The MSAL library for Go is part of the Microsoft identity platform for developers (formerly named Azure AD) v2.0. It enables you to acquire security tokens to call protected APIs. It uses industry …

Midi Playback in Flutter

Small and made-easy HTTP/HTTPS server based on Jef Poskanzer's thttpd

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

Open Babel is a chemical toolbox designed to speak the many languages of chemical data.

actioncable client in dart, for pure dart or flutter project

Dart library to parse GEDCOM data

Ruby enVironment Manager (RVM)

Settings Screen with Custom Shared Preference Interface

Sheet Music for Flutter

Library for manipulating and sequencing Midi files, tracks, events

Trumbowyg Editor for ActiveAdmin

Ruby on Rails CRM platform

ActiveRecord plugin for versioning your models.

A Java library for technical analysis.