Chaplin maps JSON APIs to Mustache templates to quickly create HTML apps, without writing glue code.

Charles the Content Extractor

Simple gem (middlware) to block ChatGPT-User

A dead simple, yet Rack-compatible, web framework written in Ruby

Minimal domain driven design library

It includes maths, datetime, and rspec access test libraries.

Chuusha allows you to evaluate both javascript and css templates within the same context, meaning that you can share constants between the templates.

Circuit is a rack application middleware that enables dynamic request mapping. Modeled after [Rack::Builder](https://github.com/rack/rack/blob/master/lib/rack/builder.rb), Circuit provides for a tree of url-mappings that is walked at request time. If you are interested in dynamically loading middleware and functionality into requests, circuit is a viable solution to do that in a maintainable way.

Batches and flushes circuitry SNS messages after a request finishes processing.

Server/process monitoring

Client library for ClassLink's OneRoster API

ClassyCAS provides private, centralized, cross-domain, platform-agnostic centralized authentication than can hook in with modern Ruby authentication systems.

A lightweight CMS to form a static website with layouts, files and text snippets.

Simple rack app the allows for a local catcher clickatell environment.

A Ruby client library for ClickStream: a Customer Experience Management tool

A simple Rack middleware and JavaScript generator for basic remote method invocation over websockets.

DSL for defining HTTP clients

Rack middleware for forcing clients to upgrade

Modernise applications by fetching and caching remote settings. No longer store settings in the codebase or as environment variables.

Rack middleware that gates a Sidekiq (or any Rack) dashboard behind Cloudflare Access: it validates the Cf-Access-Jwt-Assertion JWT against your team's JWKS, issuer, and audience (fail-closed) and audit-logs every request that gets through. No Rails or logging-library dependency at runtime.