Guard::Treetop automatically compiles your treetop grammars

Parser for a Tcl-like syntax. Ideal for IRC bots.

A parser and emulator for a minimalist hardware description language.

Ruby library for HL7 2.x

A LaTeX to HTML parser.

SQL to HBase parser using Treetop (output based on Thrift). Doing all this before it was cool.

JSON parser that understands cross-references and casts to typed Ruby objects.

Erector is a Builder-like view framework, inspired by Markaby but overcoming some of its flaws. In Erector all views are objects, not template files, which allows the full power of object-oriented programming (inheritance, modular decomposition, encapsulation) in views.

Huml is to Haml what Scss is to Sass

ICP Agent.

A PEG/Treetop Compatible Grammar for IDS/IPS Rules

Origen interface/driver for the IEEE 1687 (IJTAG) standard

Setup your rails project with everything you need quickly. Not really a Gem, but everything you need is in the gem's files'.

Parse iphone resource files to extract strings, and create a file with the given strings

IRC minimal parser

iregexp implements converters and miscellaneous tools for I-Regexp

Issue Beaver creates Github Issues for TODO comments in your source code

Executable Feature scenarios

Source code parser used internally by jievro

jpt implements converters and miscellaneous tools for JSONPath