AWS CloudSearch Query DSL

Colloquy is an evented framework for building fast and efficient USSD applications in Ruby.

Contrek is a Ruby gem with a C++ core for fast contour tracing and edge detection in PNG images. It extracts polygonal contours from bitmap shapes, enabling image processing, shape analysis, and raster-to-vector workflows such as PNG to SVG conversion.

Provides Extract, Transform and Load functionality for loading data from CSV files to a Greenplum database.

Crawlr is a modern Ruby web scraping framework built for respectful and efficient data extraction. Features async HTTP requests, robots.txt compliance, cookie management, proxy rotation, flexible CSS/XPath selectors, and comprehensive error handling. Designed for both simple scraping tasks and co...

Personalized High-Frequency Trading Bot

CSV++

A simple ruby wrapper for Daisy Diff.

This gem implements pure Levenshtein algorithm, Damerau modification (where 2 character transposition counts as 1 edit distance). It also includes Boehmer & Rees 2008 modification, to handle transposition in blocks with more than 2 characters (Boehmer & Rees 2008).

This gem implements pure Levenshtein algorithm, Damerau modification (where 2 character transposition counts as 1 edit distance). It also includes Boehmer & Rees 2008 modification, to handle transposition in blocks with more than 2 characters (Boehmer & Rees 2008).

Daru (Data Analysis in RUby) is a library for analysis, manipulation and visualization of data. Daru works seamlessly accross interpreters and leverages interpreter-specific optimizations whenever they are available. It is the default data storage gem for all the statsample gems (glm, timeseries...

Helps building data pipelines. It handles recomputing dependencies and parallel execution.

This small gem contains several data structures that I have implemented in Ruby to learn how they work. Sometimes it is not enough to read the description of a data structure and accompanying pseudo-code. Actually implementing it is often helpful in understanding what is going on. It is also usu...

Rack::Profile lets you easily profile your Rack application

Deferred for Delayer.

A C extension implementation of a d-ary heap data structure, suitable for use in e.g. priority queues or Djikstra's algorithm.

A utility that makes it easy to create "on-the-fly databases"

A basic DNS resolver using Celluloid

Provides a simple executable to drive a dzen2 (or similar) dock with a single YAML config file. Read +example.dock_driver.yml+ for more information about how to get started. It's located in this gem's data directory, which is usually: $GEM_HOME/gems/dock_driver-x.y.z/data/

Library for solving Sudoku-like puzzles (Sudoku, Hexadoku, etc.) using the Dancing Links algorithm.