Search Results for "rules engine java"
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Showing 29 open source projects for "rules engine java"
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Tally
Let agents classify your bank transactions
Tally is an open-source, AI-assisted tool designed to automate the classification of personal financial transactions, helping users turn raw bank data into meaningful categories without manual tagging. At its core, Tally pairs a local rule engine with large language models so that an AI assistant (like Claude Code, Copilot, or any CLI agent) interprets, suggests, and categorizes expenses, savings, subscriptions, and income events based on your own rules and behavior. It generates human-readable reports and can produce HTML, JSON, or Markdown outputs to suit dashboards or personal finance workflows. ... -
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PyBroker
Algorithmic Trading in Python with Machine Learning
Are you looking to enhance your trading strategies with the power of Python and machine learning? Then you need to check out PyBroker! This Python framework is designed for developing algorithmic trading strategies, with a focus on strategies that use machine learning. With PyBroker, you can easily create and fine-tune trading rules, build powerful models, and gain valuable insights into your strategy’s performance. -
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Firefly III
Firefly III: a personal finances manager
Firefly III is a personal finance manager and double-entry accounting tool built to help individuals and small organizations track budgets, investments, debts, and expenses. Users can import bank statements (CSV, OFX, QIF) or integrate via APIs, map transaction categories, and reconcile accounts. The system supports budgeting schedules, repeating transactions, automatic categorization rules, and reporting dashboards to analyze trends over time. For investments, it tracks price history,... -
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Meteroid
Open-source pricing and billing infrastructure
Meteroid is an open-source, cloud-native pricing and billing infrastructure designed to support usage-based billing, subscription management, invoicing, and cost-tracking — particularly for SaaS or product-led businesses that need flexible billing models beyond flat subscriptions. It provides an API-driven billing engine: you feed Meteroid usage data from your application (e.g. API calls, storage usage, seats, feature usage), define custom pricing rules or plans, and Meteroid calculates charges, generates invoices, tracks usage, and supports cost limits or quotas. The system is written in Rust, emphasizing performance, reliability, and safety, making it suitable for production use in small startups up to large enterprises. ... -
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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.
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QuickFIX/J is an 100% Java implementation of the popular QuickFIX open source FIX protocol engine. QuickFIX/J features include support for FIX protocol versions 4.0 through 4.4 and 5.0/FIXT1.1 (www.fixprotocol.org). Please note that the SourceForge SVN repo is read-only. Current repo can be found here: https://github.com/quickfix-j
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MoneyCSV
Personal finance transaction tracker similar to the obsolete MS Money
This personal finance program allows you track all personal accounts including investment accounts. Money CSV provides reoccurring bills, budget tracking, report generation, net worth tracking and custom transaction import rules. The program supports importing of downloaded transaction files (CSV, OFX, QFX and QIF). Money CSV supports stock price updates if you get a key for the Yahoo Finance (YH Finance) API from RapidAPI.com. The intro level API key is free, and you get 500 downloads per... -
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Premium Markets
Premium Markets is an automated financial technical analysis system.
Premium Markets is an automated financial technical analysis system. With Premium Markets you can edit and create your own indicators as a composition of more than a hundred common technical analysis functions. It implements a graphical environment for monitoring financial technical analysis of the main stocks and shares markets and currencies. The standalone application includes a full integration of ta-lib C/C++ libraries. Be aware that the provided App available for download may... -
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OpenClinic GA
Open Source Integrated Hospital Information Management System
OpenClinic GA is an open source integrated hospital information management system covering management of administrative, financial, clinical, lab, x-ray, pharmacy, meals distribution and other data. Extensive statistical and reporting capabilities. OpenClinic GA and OpenClinic GMAO are owned by Frank Verbeke, MD, PhD at Post-Factum BV (https://www.post-factum.be) -
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OpenL Tablets is a business rules management system based on tables presented in Excel documents. Providing business-oriented approach, OpenL Tablets treats business documents containing business logic specifications as executable rules. In a very simplified view, OpenL Tablets extracts rule tables from Excel documents and executes them. The rules can be accessible from different applications. OpenL Tablets tools check all data, syntax and type errors in order to avoid any user...
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OpenUnderwriter (Insurance Distribution)
Feature rich insurance quote & buy system for underwriters and brokers
OpenUnderwriter is an open source software house specialising in the development of IT solutions for the insurance market. Specialists in the areas of eBusiness and component based development, the team has developed technology for a number of major insurance companies. The OpenUnderwriter platform has been collaboratively developed by some of the best technical brains in the Insurance Industry and offers a viable alternative to traditional solutions. To date, OpenUnderwriter has been... -
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StrongKey CryptoEngine
FIDO strong authentication, encryption, digital signature engine
StrongKey CryptoEngine (SKCE) 2.0 is a "crypto Swiss Army knife" server to perform cryptographic functions through web services, while freeing application developers to focus on business functionality. Its modules include: - A FIDO Engine to support FIDO U2F key registrations/authentications - An encryption engine to encrypt/decrypt files using AES/TDES keys - Escrowing keys to on-premises key management system (StrongAuth KeyAppliance/SAKA) - Integration to cloud storage services... -
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Expense Submittal System
Expense reporting system for business
The Expense Submittal System (ESS) is a Web-based solution for expense reports and expense report processing. ESS provides report entry, approval routing, corporate policy checking, credit card statement importation and report payment. The latest versions allow for a paperless process via receipt scanning and texting. -
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NORD POS
Enhanced mobile version of POS
NORD POS Web Application Platform was based on a fork of Openbravo POS. NORD POS Web Application Platform includes Jetty 9 and Apache Derby embedded servers, device drivers, Pentaho Data Integration engine, new Java Swing interface and more the other changes as opposed to Openbravo POS. NORD POS presents a new interface, full cross-platform and support of the many mobile web applications. All in one platform based on Stripes JavaEE Framework. The cashiers and storekeepers have access to data from a tablets or smartphones. -
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myopentrader
Open-source complex-event based trading engine
...MyOpenTrader.org is not responsible for any of your trading losses and can not be held accountable. Use the framework at your OWN risk. MOT is written purely in Java (1.6++) and has dependencies on a DB as well as a MQ Broker (such as ActiveMQ). -
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ObjectLab Kit
We MOVED to GITHUB!
http://github.com/Appendium/objectlabkit A set of modules to handle common financial functions. The first module is Date Calculator which handles holidays and weekends. A set of rules are implemented to deal with days falling on a holiday: Forward, Backward, Modified Forward, Modified Backward New FX Rate Calculators -
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This project provide an add-on for The Compiere ERP-CRM for handling Advanced Pricing/Discount engine process. Most of the distribution company in the world need that engine.
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Sheetster Web Spreadsheet
an embeddable spreadsheet for your web application
...Most basic features are implemented as well as some of the more advanced ones. The user interface is written entirely in JavaScript and its server-side API is pure Java based on the OpenXLS spreadsheet engine. Neither the client nor the server needs Excel or any browser plugins. Sheetster is primarily intended for developers who want to integrate spreadsheets into their web applications. Towards that end it provides a server-side API for document storage connectors and a rich REST API for manipulating open spreadsheets. ... -
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The LogHelper is designed to parse FIX messages (4.0, 4,2 and 4.4) out of a given file. It is not tied to any one FIX engine or log file format. The parser is smart enough to pull out FIX messages from files local or on Sftp and then export them !!
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Open BRM is a carrier-grade billing platform aimed at telecommunications, utilities and logistics organizations. Built using state of the art but future proof technology, this project takes over from where JBilling can arrive.
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Expr4J aims to provide a general purpose expression parser, which is also compatible with Microsoft Excel. It will provide an implementation of the built in functions in MS Excel as well as a calculation engine.
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AkunaERP is an open source ERP system for small and medium enterprise providing extensive business focussed functionality. AkunaERP utilises the Adempiere engine and includes a number of accounting and UK enhancements
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This UBmatrix Processing Engine is an SDK for building XBRL-enabled applications. The engine is the essential component to read, write, and validate XBRL. This project was released under UBmatrix Inc. Learn more about EDGAR Online XBRL Processing Eng
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EvoTrader is a stock picking platform that utilizes genetic programming to evolve rules for generating stock trading signals.
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Republic enables old-style computer reports (formally known as 'ascii' reports to be parsed and turned into OASIS OpenOffice.org Spreadsheet documents. This data can then more easily analysed by management. Parsing Rules are held in a simple XML format.
