Open Source Ruby Business Software

Logstash is a server-side data processing pipeline that dynamically ingests data from numerous sources, transforms it, and ships it to your favorite “stash” regardless of format or complexity. It supports and ingests data of all shapes, sizes and sources, dynamically transforms and prepares this data, and transports it to the output of your choice. Logstash is extensible, with over 200 plugins available to let you create and configure your pipeline how you choose.

A quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. A cross-platform free/open-source tool for derivatives and financial engineering.

This project is an Eclipse Mylyn Repository plug-in for the Redmine bug tracking / project management application. Please contact me if you want take over the project.

DataVision is a reporting tool similar to Crystal Reports. DV supports many data sources (JDBC, files) and many output formats (HTML, XML, PDF, LaTeX, Excel, delimited files, DocBook). DV includes a GUI editor. DV is embeddable. Reports are XML-based.

JLink lets users author flow charts based on ISO 5807 and IBM standards. Developers can use JLink to add flowcharts to applications, serve a flow chart over the web in PDF or PNG, or dynamically create a flowchart with Javascript, Python or Ruby scripts

Design and develop Recommendation and Adaptive Prediction Engines to address eCommerce opportunities. Build a portfolio of engines by creating and porting algorithms from multiple disciplines to a usable form. Try to solve NetFlix and other challenges.

This is a C library to check the validity of German and Austrian Bank Account Numbers. All currently defined test methods by Deutsche Bundesbank (Dec 2017: 00 to E4) are implemented. Modules for AWK, Perl, PHP, Python, Ruby, C#.net and VB.net are included too. The package includes also an IBAN converter to generate (german) IBANs and BICs from account data. All currently defined IBAN rules by Deutsche Bundesbank are implemented (Dec 2017: 57 rules) and tested against independent solutions.

The purpose of SNX is to have a modular series of components that report back to a central repository and 'AI' for pattern recognition and anomoly detection. This is to help with IDS systems, and to move to the next generation of security.

DeployAgility changes the build and deployment paradigm. Instead of enabling a "Tower of Babel" in which each development team duplicates efforts to create its own automated build and deployment process, DeployAgility inverts this practice.

A light-weight, web-based event information tracking application implemented in Java and Ruby. Development is done using Extreme Programming (XP) practices and includes both jUnit & FitNesse testing.

GRAIL Real Time Location Service (RTLS)

Gavrog stands for "Generation, Analysis and Visualization of Reticular Ornaments using Gavrog". It is a Java library together with a suite of interactive applications for the study of periodic net-like structures in space and their applications.

Patacritism is a project to develop interpretive tools for online humanities.

Billing system solution. Library for credit card/ACH processing, recurring billing and subscription management for member and donor centered organizations. Provides a way for POS / retail / recurring credit card and bank account processing.

JAM Circle is a Kanban Application Platform on Eclipse RCP.Kanban is similar to sticky note.you can use it for GTD,Planning,Pull System using Kanban.It supports to send Card using XMPP and to define it\'s behavior using Script(JRuby and ECMAScript).

The Marketcetera Trading Platform is a comprehensive open-source software infrastructure for algorithmic trading, that is a true alternative to expensive, monolithic proprietary systems or brittle software mashups.

Network Visualization is a mature part of computer science that is enjoying a good deal of growth, partially fueled by Bioinformatics. Network is a synonym for Graph, and both refer to a collection of nodes and edges.

OAproject implements a plataform to allow applications to interact. Apps using the platform send/receive messages through a message oriented middleware. Main features are a Single Sign On (SSO), Identity Management System (IMS) and a provisioning system

The Rally Integrations Project includes a set of integrations between Rally Software's Agile Lifecycle Management product and other software lifecycle management tools. NOTE: The Hudson plugin is now at http://agilecommons.org/posts/347cf00b5d

An Excel addin and server framework for implementing remote excel user-defined functions (UDFs). This framework is designed to provide a centralised warehouse of functions for Excel users (eg. within an organisation).

Governance, risk and compliance management solution (GRC). Incorporating Enterprise risk management (ERM), business intelligence (BI) and performance management. Project services available at opengrc.org

XBRL Open Operating Environment - including XBRL engine capabilities and well defined API for building browser based, custom web applications.