Discount is an implementation of John Gruber's Markdown markup language in C. It implements all of the language described in the markdown syntax document and passes the Markdown 1.0 test suite.

This package is probably useless outside of internal HashiCorp use. It is open source for disclosure and because HashiCorp's open source projects must be able to link to it.

domain_name is a Domain name manipulation library. It parses a domain name ready for extracting the registered domain and TLD (Top Level Domain). It can also be used for cookie domain validation based on the Public Suffix List.

Thin is a Ruby web server that glues together 3 Ruby libraries:

• the Mongrel parser,

• Event Machine, a network I/O library with high scalability, performance and stability,

• Rack, a minimal interface between webservers and Ruby frameworks.

Markaby allows writing HTML packages in pure Ruby. This is similar to the functionality provided by ERB, but without the mixture of HTML and additional ERB syntax.

This package provides memory profiling routines for Ruby.

This package provides a parser for Ruby source code, written in C.

This package provides Ruby language binding for libvirt's native C API.

The options library helps with parsing keyword options in Ruby functions.

This library provides a high-level API that wraps the ZeroMQ networking library using the Ruby foreign function interface (FFI). It is a pure Ruby wrapper, hence is compatible with any Ruby runtime that has support for FFI.

This package provides a plugin for the RuboCop code style enforcing & linting tool for factory_bot files.

This package provides a WebSocket server for Ruby.

This package provides a Mocha adapter for Bacon, allowing you to use the Mocha stubbing and mocking library with Bacon, a small RSpec clone.

Wayback Machine Downloader is a command line tool for downloading websites from the Internet Archive's Wayback Machine (archive.org). It allows fine grained control over what to download by specifying which snapshots to consider and what files to include.

The thread_safe library provides thread-safe collections and utilities for Ruby.

Maruku is a Markdown interpreter in Ruby. It can export Markdown to HTML, and PDF through LaTeX.

This library provides the functionality to create, modify, and delete boxes, versions, and providers on HashiCorp's Vagrant Cloud.

Guard is a command line tool to easily handle events on file system modifications. Guard automates various tasks by running custom rules whenever file or directories are modified.

Module Stream defines an interface for external iterators.

This Ruby gem extends Faraday to perform multipart-post requests.

AnyStyle is a very fast and smart parser for academic reference lists and bibliographies. AnyStyle uses powerful machine learning heuristics based on Conditional Random Fields and aims to make it easy to train the model with data that is relevant to your parsing needs.

This package provides the anystyle command-line utility. AnyStyle can also be used as a Ruby library or as a web application, though the later has not yet been packaged for Guix.

This package provides a tool for writing manuals for Prawn and Prawn accessories

RGL is a framework for graph data structures and algorithms. The design of the library is much influenced by the Boost Graph Library (BGL) which is written in C++.

CharacterSet is a C-extended Ruby library to work with sets of Unicode code points. It can read and write these sets in various formats and implements the stdlib Set interface for them. It also offers an alternate paradigm of String processing which grants much better performance than Regexp and String methods from the stdlib where applicable. Many parts can be used independently, e.g.:

• CharacterSet::Character

• CharacterSet::Parser

• CharacterSet::Writer

• RangeCompressor