If you need to develop more than one application and they actively communicate each other.

Screenshots, made easy.

This is a Ruby implementation of the k-means++ algorithm for data clustering. In other words: Grouping a bunch of X, Y points into K groups.

A gem for processing KM exports

CLI for encrypting and decrypting data using Amazon KMS

Command line interface for the SQLite3 database of KMyMoney

This gem contains command-line utility for solving 0/1 knapsack problem using branch-and-bound method, dynamic programming, simple heuristic (weight/price) and fully polynomial time approximation scheme. It can measure CPU and wall-clock time spent by solving a problem, compute relative error of...

One plugin to provision them all! This plugin allows the Chef developer to provision Chef clients on all major clouds using the RightScale platform.

Manages multiple knife.rb configurations for Chef

KnuVerse Knufactor Ruby SDK

Constructs KNX standard datagrams that make it easy to communicate with devices on KNX networks

Easy interface for the Koha ILSDI API (https://github.com/Koha-Community/Koha/blob/master/C4/ILSDI/Services.pm)

Most web applications have a lot of before/after hooks that occur when working with objects: sending a welcome email on registration, incrementing/decrementing counter caches, trigger validation on remote web services. When implemented using callbacks, all these occur without the developer knowin...

A simple HTML and CSS compressor

Ruby library for the Kong API.

Inspired by thousand-line routes files, KonmariRoutes aims to make routes more manageable by enabling a routing structure that mirrors the controller file structure of a standard web application, powered by one guiding principle: Keep only what makes you happy. This is largely inspir...

Bluepill keeps your daemons up while taking up as little resources as possible. After all you probably want the resources of your server to be used by whatever daemons you are running rather than the thing that's supposed to make sure they are brought back up, should they die or misbehave.

Used to generate a Rails application following a basic setup of best practices, guidelines, and basic setup; to get your Rails application started with a bang.

Simple Postgres replication helper

A comprehensive, well-structured Ruby gem for integrating with Kraken cryptocurrency exchange REST and WebSocket APIs. Features include rate limiting, automatic retries, error handling, and full support for public and private endpoints.