SitePrism gives you a simple, clean and semantic DSL for describing your site. SitePrism implements the Page Object Model pattern on top of Capybara.

Apropos helps your site serve up the appropriate image for every visitor. Serving multiple versions of an image in responsive and/or localized web sites can be a chore, but Apropos simplifies and automates this task. Instead of manually writing a lot of CSS rules to swap different images, Apropos...

The sys-cpu library provides an interface for gathering information about your system's processor(s). Information includes speed, type, and load average.

Sprockets is a Ruby library that preprocesses and concatenates JavaScript source files.

SWD (Simple Web Discovery) Client Library

PostRunner is an application to manage FIT files such as those produced by Garmin products like the Forerunner 620 (FR620), Forerunner 25 (FR25), Fenix 3, Fenix 3HR, Fenix 5 (S and X). It allows you to import the files from the device and analyze the data. In addition to the common features like ...

This gem is used to get quickly started with the Shopify API

BetterCap is the state of the art, modular, portable and easily extensible MITM framework featuring ARP, DNS and ICMP spoofing, sslstripping, credentials harvesting and more.

One beautiful Ruby API for GPT, Claude, Gemini, and more. Easily build chatbots, AI agents, RAG applications, and content generators. Features chat (text, images, audio, PDFs), image generation, embeddings, tools (function calling), structured output, Rails integration, and streaming. Works with ...

Rack middleware to force SSL/TLS.

This gem implements flexible time-ordered activity feeds commonly used withing social networking applications. As events occur, they are pushed into the Feed and distributed to all users that need to see the event. Upon the user visiting their "feed page", a pre-populated ordered list of events i...

Haml-rails provides Haml generators for Rails 5.1 and above. It also enables Haml as the templating engine for you, so you don't have to screw around in your own application.rb when your Gemfile already clearly indicated what templating engine you have installed. Hurrah.

SSL Transport Agent is a foundation for all applications that may be classified as Transport Agents (TA). A TA listens to one or more TCP ports and when a connection is made to a listening port, a process is dispatched to communicate with that connection. The most common examples of this type of ...

When this gem is loaded and activated inside your rails app, your MySQL connection adapter for ActiveRecord will be monkey-patched. The patch simply tweaks it to store all boolean "true" values as negative one instead of positive one inside your TINYINT columns. It also patches it to recognize an...

This simple middleware sets anything in the X-#{prefix}-Cookie header to Cookie, and in the response will copy anything in Set-Cookie to X-#{prefix}-Set-Cookie. This can be useful to enable session management where an HTML client is accessing your API, which doesn't fully support cookies. We have...

lastfm-cli lets users choose radio stations, play songs, skip songs, "love" them or "ban" them. Multiple users can control one last.fm stream (playing through the office or home sound system, for instance) as long as the computer running lastfm-cli is accessible on the local n...

The Hub SSO Library supports single sign-on across multiple Rails applications on the same host. The Hub application provides account management facilities (sign up, log in, etc.). The library provides read-only access to data set up by the application. Using the library, exte...

SimpleHKP is a simple Ruby/rack based GnuPG extendedHKP key and identity server packaged as a standard Ruby Gem. As such it conforms to an {extended version}[http://stephengaito.github.io/rGem-simple-gnupg-keyserver/] of {the OpenPGP HTTP Keyserver Protocol (HKP) (draft-shaw-openpgp-hkp-00....

KairosChain is a Model Context Protocol (MCP) server for self-managed, evolvable AI skill definitions. It combines Pure Skills design (Ruby DSL/AST) with a private blockchain, enabling AI agents to define, evolve, and audit their own capabilities through self-referential skill management. Support...

Note: Version 1.0.0 introduces some breaking changes. Make sure to read the documentation in case something is breaking at your end. 'cmdserver' is a simple, multi-threaded, module based and extensible command server with a straight forward API. Much of the functionality relies ...