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New IO for Ruby

A session implementation for Rack.

Mustermann is your personal string matching expert. As an expert in the field of strings and patterns, Mustermann keeps its runtime dependencies to a minimum and is fully covered with specs and documentation. Given a string pattern, Mustermann will turn it into an object that behaves like a regular expression and has comparable performance characteristics.

WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy server, and a virtual-host server.

Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.

WebAuthn ruby server library ― Make your application a W3C Web Authentication conformant

Support for encoding and decoding binary data using a Base64 representation.

Puma is a simple, fast, multi-threaded, and highly parallel HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. It's great for highly parallel Ruby implementations such as JRuby and TruffleRuby as well as as providing process worker support to support CRuby well.

OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on the OpenSSL library.

A pure ruby implementation of the RFC 7519 OAuth JSON Web Token (JWT) standard.

A general server command for Rack applications.

WebAuthn ruby server library ― Make your application a W3C Web Authentication conformant Relying Party and allow your users to authenticate with U2F and FIDO2 authenticators.

Shim library for Moduleruby2keywords

Generic interface to multiple Ruby template engines

A common interface to multiple JSON libraries, including fastjsonparser, Oj, Yajl, and the JSON gem.

Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between (the so-called middleware) into a single method call.

Contributed Rack Middleware and Utilities