Showing 560 open source projects for "owlapi-api"

View related business solutions
  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

    Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.
    Download Free Tool
  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 1
    alpha_vantage

    alpha_vantage

    A python wrapper for Alpha Vantage API for financial data.

    Alpha Vantage delivers a free API for real time financial data and most used finance indicators in a simple json or pandas format. This module implements a python interface to the free API provided by Alpha Vantage. You can have a look at all the API calls available in their API documentation. For code-less access to the APIs, you may also consider the official Google Sheet Add-on or the Microsoft Excel Add-on by Alpha Vantage.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    SolidInvoice

    SolidInvoice

    Simple and elegant invoicing solution

    ...You can receive payments from a number of different gateways such as Paypal Express, Stripe Checkout, Be2bill and more. It also supports multiple currencies. SolidInvoice has a powerful and flexible RESTful API so you can easily integrate it to any other service.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 3
    Hyperswitch

    Hyperswitch

    An open source financial switch to make payments fast

    HyperSwitch is an Open Source Financial Switch to make payments Fast, Reliable, and Affordable. It lets you connect with multiple payment processors and route traffic effortlessly, all with a single API integration. Connect with multiple payment processors with a single API to improve payment conversions, and reduce costs and ops. Unified API with enterprise-grade scale & reliability. Achieve your goals with custom and smart routing algorithms. Cross-platform, native, seamless payment experience. Instantly integrate new payment options with the least dev efforts. ...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 4
    Google Spreadsheets Python

    Google Spreadsheets Python

    Google Sheets Python API

    gspread is a Python API for Google Sheets. A service account is a special type of Google account intended to represent a non-human user that needs to authenticate and be authorized to access data in Google APIs [sic]. Since it’s a separate account, by default it does not have access to any spreadsheet until you share it with this account. Just like any other Google account.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Vibes don’t ship, Retool does Icon
    Vibes don’t ship, Retool does

    Start from a prompt and build production-ready apps on your data—with security, permissions, and compliance built in.

    Vibe coding tools create cool demos, but Retool helps you build software your company can actually use. Generate internal apps that connect directly to your data—deployed in your cloud with enterprise security from day one. Build dashboards, admin panels, and workflows with granular permissions already in place. Stop prototyping and ship on a platform that actually passes security review.
    Build apps that ship
  • 5
    Akaunting

    Akaunting

    Online Accounting Software

    Online accounting software designed for small businesses and freelancers. Akaunting is built with modern technologies such as Laravel, VueJS, Tailwind, RESTful API etc. Thanks to its modular structure, Akaunting provides an awesome App Store for users and developers.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 6
    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. 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. ...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    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: 4 This Week
    Last Update:
    See Project
  • 8
    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: 11 This Week
    Last Update:
    See Project
  • 9
    ThetaGang

    ThetaGang

    ThetaGang is an IBKR bot for collecting money

    ThetaGang is an IBKR trading bot for collecting premiums by selling options using "The Wheel" strategy. The Wheel is a strategy that surfaced on Reddit but has been used by many in the past. This bot implements a slightly modified version of The Wheel, with my own personal tweaks. The strategy, as implemented here, does a few things differently from the one described in the post above. For one, it's intended to be used to augment a typical index-fund-based portfolio with specific asset...
    Downloads: 0 This Week
    Last Update:
    See Project
  • Turn more customers into advocates. Icon
    Turn more customers into advocates.

    Fight skyrocketing paid media costs by turning your customers into a primary vehicle for acquisition, awareness, and activation with Extole.

    The platform's advanced capabilities ensure companies get the most out of their referral programs. Leverage custom events, profiles, and attributes to enable dynamic, audience-specific referral experiences. Use first-party data to tailor customer segment messaging, rewards, and engagement strategies. Use our flexible APIs to build management capabilities and consumer experiences–headlessly or hybrid. We have all the tools you need to build scalable, secure, and high-performing referral programs.
    Learn More
  • 10
    Quadratic

    Quadratic

    Data science spreadsheet with Python & SQL

    ...Quadratic is a Web-based spreadsheet application that runs in the browser and as a native app (via Electron). Our goal is to build a spreadsheet that enables you to pull your data from its source (SaaS, Database, CSV, API, etc) and then work with that data using the most popular data science tools today (Python, Pandas, SQL, JS, Excel Formulas, etc). Quadratic has no environment to configure. The grid runs entirely in the browser with no backend service. This makes our grids completely portable and very easy to share. Quadratic has Python library support built-in. ...
    Downloads: 11 This Week
    Last Update:
    See Project
  • 11
    OpenBB Terminal

    OpenBB Terminal

    Investment research for everyone, anywhere

    Fully written in python which is one of the most used programming languages due to its simplified syntax and shallow learning curve. It is the first time in history that users, regardless of their background, can so easily add features to an investment research platform. The MIT Open Source license allows any user to fork the project to either add features to the broader community or create their own customized terminal version. The terminal allows for users to import their own proprietary...
    Downloads: 9 This Week
    Last Update:
    See Project
  • 12
    QuantDinger

    QuantDinger

    AI-driven, local-first quantitative trading platform for research

    QuantDinger is a local-first, open-source quantitative trading platform designed to bring AI-assisted analysis, strategy development, backtesting, and live execution into a self-hosted workspace where data and API credentials remain under your control. Unlike cloud-locked quant services, it lets users run the entire trading workflow on their own infrastructure using Docker, with a PostgreSQL database backend, a Python backend API, and a web frontend UI that supports visualization and strategy management. Traders and researchers can develop custom strategies in Python, run historical backtests, analyze performance, and connect to supported exchanges for live trading, making it suitable for equities, crypto, forex, and futures markets in a local environment. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Lago

    Lago

    Open Source Metering and Usage Based Billing API

    ...Lago’s event-based architecture provides a solid foundation for building a fair pricing model that scales with your business. Lago supports all pricing models. Create pay-as-you-go and hybrid plans in no time with our intuitive user interface or API. Create engaging marketing campaigns and increase conversion with coupons that customers can redeem to get a discount. Lago allows you to create one-time charges that are invoiced on the fly. Depending on the configuration of your plans, Lago automatically calculates what each customer owes you and generates invoices. Unlock recurring revenue opportunities for pay-as-you-go pricing models with Lago’s real-time prepaid credit features.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Prophet

    Prophet

    Tool for producing high quality forecasts for time series data

    Prophet is a procedure for forecasting time series data based on an additive model where non-linear trends are fit with yearly, weekly, and daily seasonality, plus holiday effects. It works best with time series that have strong seasonal effects and several seasons of historical data. Prophet is robust to missing data and shifts in the trend, and typically handles outliers well. Prophet is used in many applications across Facebook for producing reliable forecasts for planning and goal...
    Downloads: 7 This Week
    Last Update:
    See Project
  • 15
    PyTorch Forecasting

    PyTorch Forecasting

    Time series forecasting with PyTorch

    PyTorch Forecasting aims to ease state-of-the-art time series forecasting with neural networks for both real-world cases and research alike. The goal is to provide a high-level API with maximum flexibility for professionals and reasonable defaults for beginners. A time series dataset class that abstracts handling variable transformations, missing values, randomized subsampling, multiple history lengths, etc. A base model class that provides basic training of time series models along with logging in tensorboard and generic visualizations such actual vs predictions and dependency plots. ...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 16
    Yahoo! Finance market data downloader

    Yahoo! Finance market data downloader

    Yahoo! Finance market data downloader

    Ever since Yahoo! finance decommissioned their historical data API, many programs that relied on it to stop working. yfinance aims to solve this problem by offering a reliable, threaded, and Pythonic way to download historical market data from Yahoo! finance. yfinance aimed to offer a temporary fix to the problem by scraping the data from Yahoo! Finance and returning a the data in the same format as pandas_datareader's get_data_yahoo(), thus keeping the code changes in existing software to a minimum. ...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    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. This helps to address the...
    Downloads: 5 This Week
    Last Update:
    See Project
  • 18
    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
    Last Update:
    See Project
  • 19
    pmxt

    pmxt

    A unified API for trading across prediction markets

    PMXT is a powerful, cross-platform terminal emulator and multiplexer designed to enhance productivity for command-line users by seamlessly blending terminal emulation with workspace management. It lets you run multiple shell sessions in panes and tabs, detach and reattach to workspaces, and persist session layouts—making it ideal for developers, sysadmins, and power users who juggle many concurrent tasks. PMXT also includes built-in features like customizable keybindings, layout presets, and...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    FinMind

    FinMind

    Open Data, more than 50 financial data

    ...We collect more than 50 kinds of Taiwan stock related information and provide download, online analysis, and backtesting. Regardless of the program, you can download data through the api provided by FinMind, or you can download data directly from the website. After data is available, statistical analysis, regression analysis, time series analysis, machine learning, and deep learning can be performed. For individual stocks, provide visual analysis of technical, fundamental, and chip levels. According to different strategies, back-test analysis is performed to provide performance, profit and loss, and stock selection targets of different strategy investment portfolios.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Optopsy

    Optopsy

    A nimble options backtesting library for Python

    ...There are other parameters that can help with loading the csv data, consult the code/future documentation to see how to use them. Optopsy is a small simple library that offloads the heavy work of backtesting option strategies, the API is designed to be simple and easy to implement into your regular Panda's data analysis workflow. As such, we just need to call the long_calls() function to have Optopsy generate all combinations of a simple long call strategy for the specified time period and return a DataFrame. Here we also use Panda's round() function afterwards to return statistics within two decimal places.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Apache OpenOffice

    Apache OpenOffice

    The free and Open Source productivity suite

    Free alternative for Office productivity tools: Apache OpenOffice - formerly known as OpenOffice.org - is an open-source office productivity software suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications. OpenOffice is available in many languages, works on all common computers, stores data in ODF - the international open standard format - and is able to read and write files in other formats, included the format used by the...
    Leader badge
    Downloads: 333,218 This Week
    Last Update:
    See Project
  • 23
    Mifos - Open Source Core Banking

    Mifos - Open Source Core Banking

    Democratizing Financial Services Worldwide

    The Mifos Stack provides API-driven core banking infrastructure in the cloud. Apache Fineract (https://github.com/apache/fineract/) is the back-end core banking platform originated by the Mifos Initiative. Mifos X acts as the reference web and mobile apps for staff and customers providing an out of the box ready-to-deploy solution on top of Apache Fineract along with reporting, payments orchestration and other ancillary solutions.
    Leader badge
    Downloads: 140 This Week
    Last Update:
    See Project
  • 24

    Free POS Software

    Free POS Software

    EPOS System is a leading point of sale pos system provider we re passionate about empowering businesses with cutting edge electronic POS solution We offer a wide range of POS systems like pos software for shops, restaurants, hospitality, retail, Takeaways, pharmacy, pizza
    Downloads: 50 This Week
    Last Update:
    See Project
  • 25
    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.
    Leader badge
    Downloads: 163 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next