Showing 55 open source projects for "source engine"

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  • 1
    IronCalc

    IronCalc

    Main engine of the IronCalc ecosystem

    IronCalc is a new, modern, work-in-progress spreadsheet engine and set of tools to work with spreadsheets in diverse settings. IronCalc is a lightweight, open-source computational engine designed for performing mathematical operations, formula calculations, and data-driven tasks.
    Downloads: 52 This Week
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  • 2
    Kalshi Trading Bot CLI

    Kalshi Trading Bot CLI

    AI-native CLI for trading Kalshi prediction markets

    Kalshi Trading Bot CLI is an AI-driven command-line tool designed to automate trading strategies on Kalshi prediction markets by combining quantitative modeling with real-time market data. It operates by conducting deep research on events, generating independent probability estimates, and comparing those estimates against current market prices to identify trading opportunities. The system incorporates advanced decision-making logic, including Kelly criterion-based position sizing and a...
    Downloads: 6 This Week
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  • 3
    Firefly III

    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,...
    Downloads: 14 This Week
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  • 4
    Tally

    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.
    Downloads: 0 This Week
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  • 5
    Meteroid

    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.
    Downloads: 0 This Week
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  • 6
    NautilusTrader

    NautilusTrader

    A high-performance algorithmic trading platform

    NautilusTrader is an open-source, high-performance, production-grade algorithmic trading platform, provides quantitative traders with the ability to backtest portfolios of automated trading strategies on historical data with an event-driven engine, and also deploy those same strategies live, with no code changes. The platform is 'AI-first', designed to develop and deploy algorithmic trading strategies within a highly performant and robust Python native environment.
    Downloads: 6 This Week
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  • 7
    Barter

    Barter

    Open-source Rust framework for building event-driven systems

    Barter is an open-source, Rust-based ecosystem of libraries for building high-performance, event-driven algorithmic trading systems—covering live trading, paper trading, and backtesting. It is designed for safety, speed, and flexibility in quantitative finance workflows. Use mock MarketStream or Execution components to enable back-testing on a near-identical trading system as live-trading. Centralised cache-friendly state management system with O(1) constant lookups using indexed data...
    Downloads: 0 This Week
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  • 8
    PyBroker

    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.
    Downloads: 0 This Week
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  • 9
    GoCryptoTrader

    GoCryptoTrader

    Trading bot and framework supporting multiple exchanges

    GoCryptoTrader is a full framework / bot for cryptocurrency trading, written in Go (Golang). It supports multiple exchanges, real-time and historic data, backtesting, handling order books, portfolio management, scripting, and many exchange integration features. It is a trading engine that can be run by users to automate strategies across many exchanges. Licensed under MIT. Support for all exchange fiat and digital currencies, with the ability to individually toggle them on/off. Customisation...
    Downloads: 0 This Week
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    Build Securely on Azure with Proven Frameworks

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  • 10
    Actual Budget

    Actual Budget

    Fast, privacy-focused personal finance app

    Actual Budget is a fast, privacy-focused personal finance app built around the proven envelope budgeting methodology. It keeps you in control of your money with tools designed to help you make thoughtful financial decisions rather than relying on automated guesswork. The app is fully local-first, meaning it works offline and syncs quietly across your devices without ever compromising ownership of your data. Optional end-to-end encryption ensures your financial information stays private, even...
    Downloads: 6 This Week
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  • 11
    bitResurrector

    bitResurrector

    Bitcoin private key recovery tool with Bloom Filter & CUDA

    ... - GPU Mode: Massive parallel computation via NVIDIA CUDA. - Memory Management: Zero disk I/O lag using mmap (Memory-Mapped Files). BitResurrector is a closed-source, proprietary tool for researchers and professionals.
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    Downloads: 34 This Week
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  • 12
    OpenClinic GA

    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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    Downloads: 146 This Week
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  • 13
    OptionMatrix

    OptionMatrix

    Financial Derivatives Calculator with 171+ Models (Options Calculator)

    A real-time financial derivatives calculator supporting 171+ models from QuantLib, Financial Numerical Recipes in C++ and MetaOptions. Matrices of prices are created with iterating strikes and/or months. A strike control system can produce any strike. A generalized date engine can calculate re-occuring distances to any industry used expiration into the future. Spread engine with spread views. Models Supported: Black-Scholes, Merton-73, Black-76, Roll Geske Whaley, Garman KohlHagen, Jump...
    Downloads: 2 This Week
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  • 14
    Premium Markets

    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...
    Downloads: 0 This Week
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  • 15
    Stansoft

    Stansoft

    Accounting, invoicing, inventory and payroll software for Linux

    Stansoft is a Linux financial accounting software system for business. It is designed for data entry efficiency with an ncurses text-based terminal user interface. Developed using Aubit4GL / Informix 4GL with a PostgreSQL or Informix database engine. Demonstration videos can be found on the YouTube channel at https://www.youtube.com/@standardsoftware.
    Downloads: 1 This Week
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  • 16
    QuickFIX/J - Open Source Java FIX Engine
    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
    Downloads: 5 This Week
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  • 17
    Peatio

    Peatio

    Open-source crypto currency exchange software

    Peatio is an open-source, Ruby on Rails–based core engine for building cryptocurrency exchange platforms. It serves as the accounting and trading backbone of the OpenDAX stack, designed around microservices. Peatio is a free and open-source cryptocurrency exchange implementation with the Rails framework. This is a fork of Peatio designed for microservices architecture.
    Downloads: 0 This Week
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  • 18
    Zipline

    Zipline

    Zipline, a Pythonic algorithmic trading library

    Zipline is a Pythonic algorithmic trading library. It is an event-driven system for backtesting. Zipline is currently used in production as the backtesting and live-trading engine powering Quantopian -- a free, community-centered, hosted platform for building and executing trading strategies. Quantopian also offers a fully managed service for professionals that includes Zipline, Alphalens, Pyfolio, FactSet data, and more. Installing Zipline is slightly more involved than the average Python...
    Downloads: 0 This Week
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  • 19
    wkhtmltopdf

    wkhtmltopdf

    Convert HTML to PDF using Webkit (QtWebKit)

    wkhtmltopdf and wkhtmltoimage are open source (LGPLv3) command line tools to render HTML into PDF and various image formats using the Qt WebKit rendering engine. These run entirely "headless" and do not require a display or display service. There is also a C library, if you're into that kind of thing. The file pdf.h contains a fairly high level and stable pure c binding to wkhtmltopdf.
    Downloads: 109 This Week
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  • 20
    OpenUnderwriter (Insurance Distribution)

    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...
    Downloads: 1 This Week
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  • 21
    StrongKey CryptoEngine

    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...
    Downloads: 1 This Week
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  • 22
    cg-invoice

    cg-invoice

    Invoice and office utilities program for customer managment

    cg-invoice is a HTML5, Bootstrap, PDO simple yet productive way to write invoices and then retrieve the client data in more than one way. Invoicing invoices from anywhere online. View table or you can reprint the invoice as it was originally written. Business management for quotes or estimates. Contacts and vendors listing tabs for easy search. Office or personal tools to track customers, inventory, mailing lists, company phone numbers with a scheduler calendar included. Scripts written...
    Downloads: 0 This Week
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  • 23
    QuickFIX
    QuickFIX is the worlds first Open Source C++ FIX (Financial Information eXchange) engine, helping financial institutions easily integrate with each other. The SVN repository is now locked. Latest code is hosted at github. https://github.com/quickfix/quickfix
    Downloads: 29 This Week
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  • 24
    LEAN

    LEAN

    Lean algorithmic trading engine by QuantConnect

    Automated accounting for splits, dividends, and corporate events like delistings and mergers. Avoid selection bias with dynamically generated assets. Create and select asset universes on proprietary data and indicators. Automatically track portfolio performance, profit and loss, and holdings across multiple asset classes and margin models in the same strategy. Trigger regular functions to occur at desired times, during market hours, on certain days of the week, or at specific times of day....
    Downloads: 0 This Week
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  • 25
    NORD POS

    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...
    Downloads: 0 This Week
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