Showing 2678 open source projects for "java open source"

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    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • 1
    Open Source Point of Sale

    Open Source Point of Sale

    Open Source Point of Sale is a web based point of sale application

    Open Source Point of Sale (OSPOS) is a free and open-source point-of-sale system for small and medium-sized businesses. It helps manage sales, inventory, and customer data through a user-friendly web interface. OSPOS is highly customizable and supports barcode scanning, multi-language support, and detailed reporting, making it ideal for retail stores, restaurants, and small businesses seeking an affordable POS solution.
    Downloads: 96 This Week
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  • 2
    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. More than 20 million customers are reached by 400+...
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    Downloads: 145 This Week
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  • 3
    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.
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    Downloads: 209 This Week
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  • 4
    Portfolio Performance

    Portfolio Performance

    Track and evaluate the performance of your investment portfolio

    Portfolio Performance: Track and evaluate the performance of your investment portfolio across stocks, cryptocurrencies, and other assets. Performance indicators like that True-Time Weighted Rate of Return or the internal rate of return ( Internal rate of return ) are calculated. Historical courses are automatically run by Yahoo Finance loaded or can be extracted from any HTML pages. Due to the open file format, all data is available as XML available or can be used as CSV be exported. Support...
    Downloads: 32 This Week
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  • Easy-to-Use Website Accessibility Widget Icon
    Easy-to-Use Website Accessibility Widget

    An accessibility solution for quick website accessibility improvement.

    All in One Accessibility is an AI based accessibility tool that helps organizations to enhance the accessibility and usability of websites quickly.
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  • 5
    FlClash

    FlClash

    A multi-platform proxy client based on ClashMeta

    FlClash is an open-source, ad-free cross-platform GUI client for ClashMeta proxy on desktop and mobile. Built with Flutter and Go, it offers a Material You UI, supports Android, Windows, macOS, and Linux, and features WebDAV syncing, subscription link support, dark mode, and advanced proxy rules for customized network routing.
    Downloads: 348 This Week
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  • 6
    ]project-open[ - Project Server

    ]project-open[ - Project Server

    Enterprise project management replacement for Project Server

    ]project-open[ is Web based enterprise project management application with a focus on finance and collaboration. It’s main purpose is to coordinate the work of project managers, project members and stake holders across multiple projects. Target organizations are companies or corporate departments that need to track finances, tasks, and resources for a large number of concurrently running projects. ]project-open[ consists of about 200 modules for resource management, time sheet management, HR, CRM, ITSM, collaboration and financials. ]po[ is built on top of OpenACS.org, an open-source Web platform featuring role-base permissions, workflows, dynamically extensible objects and full-text search.
    Downloads: 14 This Week
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  • 7
    NocoDB

    NocoDB

    Open Source Airtable Alternative

    NocoDB is an open source #NoCode platform that turns any database into a smart spreadsheet. It is free & self-hostable. Let your imagination be thy limit. Create unlimited grid view, gallery view, form view from your own data. Search, sort, filter columns and rows with ultra ease. Collaborate just like spreadsheets. Invite your team with fine-grained Access Control.
    Downloads: 37 This Week
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  • 8
    Frappe Books

    Frappe Books

    Free Desktop book-keeping software for small-businesses & freelancers

    Frappe Books is a free and open source desktop book-keeping software that's simple and well-designed to be used by small businesses and freelancers. It's got everything you need from a small business accounting tool: invoices, billing, payments, reporting and more. It's made to work offline using a local SQLite file as the database, so you don't have to be dependent on a Cloud service provider.
    Downloads: 35 This Week
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  • 9
    PhpSpreadsheet

    PhpSpreadsheet

    A pure PHP library for reading and writing spreadsheet files

    PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. Support for PHP versions will only be maintained for a period of six months beyond the end of life of that PHP version. Use composer to...
    Downloads: 50 This Week
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  • Payments you can rely on to run smarter. Icon
    Payments you can rely on to run smarter.

    Never miss a sale. Square payment processing serves customers better with tools and integrations that make work more efficient.

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  • 10
    SolidInvoice

    SolidInvoice

    Simple and elegant invoicing solution

    SolidInvoice is a simple open source general billing manager/ invoicing application made for small businesses and freelancers. It helps you manage clients, contacts, day-to-day billing and more so you can always get paid right and on time. SolidInvoice is capable of handling recurring invoices, quotes and estimates, as well as online payments. You can receive payments from a number of different gateways such as Paypal Express, Stripe Checkout, Be2bill and more.
    Downloads: 23 This Week
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  • 11
    NexoPOS

    NexoPOS

    The base version of NexoPOS, which is a web-Based Point Of Sale (POS)

    NexoPOS 4 is a free point-of-sale system built using Laravel, TailwindCSS, Vue, and other open-source resources. This POS System focuses on utilities and functionalities to offer most businesses all the tools they need to manage better their store. NexoPOS includes a responsive and beautiful dashboard that eases the interaction either on a smartphone, tables, or desktops. NexoPOS available on CodeCanyon gives access to premium modules marketplace.
    Downloads: 24 This Week
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  • 12
    Invoice Ninja

    Invoice Ninja

    Free and Open Source Invoicing, Expenses & Time-Tracking

    Invoice Ninja is a free and open source invoicing, expenses and time-tracking app built with Laravel and Flutter. It offers a plethora of great features, including custom branded invoice design, recurring invoicing and auto-bill clients, real-time quote creation and custom proposals, expense reporting and so much more! Invoice Ninja is also capable of handling online payments from more than 40 payment gateways, including Stripe, PayPal and WePay.
    Downloads: 22 This Week
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  • 13
    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: 21 This Week
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  • 14
    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 datasets to use on our econometric menu. In addition, users are allowed to export any type of data to any type of format whether that is raw data in Excel or an image in PNG. ...
    Downloads: 15 This Week
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  • 15
    Wealthfolio

    Wealthfolio

    A Beautiful Private and Secure Desktop Investment Tracking Application

    Wealthfolio is a simple, desktop-based investment tracker. Your financial data is stored safely on your own computer Ditch the spreadsheets, forget about those pesky subscription fees, and no more worries about SaaS services playing around with your data. Forget juggling spreadsheets or compromising privacy with online apps. Choose Wealthfolio's simple, secure approach to manage your finances. Gather all your investment and savings accounts in one place. See everything at a glance, from...
    Downloads: 23 This Week
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  • 16
    Qbot

    Qbot

    AI-powered Quantitative Investment Research Platform

    Qbot is an open source quantitative research and trading platform that provides a full pipeline from data ingestion and strategy development to backtesting, simulation, and (optionally) live trading. It bundles a lightweight GUI client (built with wxPython) and a modular backend so researchers can iterate on strategies, run batch backtests, and validate ideas in a near-real simulated environment that models latency and slippage.
    Downloads: 16 This Week
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  • 17
    Ghostfolio

    Ghostfolio

    Open Source Wealth Management Software. Angular + NestJS + Prisma

    Ghostfolio is an open-source wealth management software built with web technology. The application empowers busy people to keep track of stocks, ETFs or cryptocurrencies and make solid, data-driven investment decisions. The software is designed for personal use in continuous operation. Ghostfolio is a privacy-first, open-source dashboard for your personal finances.
    Downloads: 10 This Week
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  • 18
    Superalgos

    Superalgos

    Free, open-source crypto trading bot, automated bitcoin trading

    Free, open-source crypto trading bot, automated bitcoin/cryptocurrency trading software, algorithmic trading bots. Visually design your crypto trading bot, leveraging an integrated charting system, data-mining, backtesting, paper trading, and multi-server crypto bot deployments. Superalgos is not just another open-source project. We are an open and welcoming community nurtured and incentivized with the project's native Superalgos (SA) Token, building an open trading intelligence network. ...
    Downloads: 7 This Week
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  • 19
    Open Tax Solver

    Open Tax Solver

    Calculates income tax form entries, helps do your taxes.

    OTS is a safe, secure, easy-to-use program for calculating Tax Return Form entries, and determining your tax-owed or refund-due, for Federal or State personal income taxes. Includes updated versions for US 1040, Schedules A, B, C, D, and for several states. OTS provides both graphical and textual interfaces for quickly filing out your tax forms. --- Best way to download the correct version for your platform -- go to the OTS WEBSITE: =====> ...
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    Downloads: 126 This Week
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  • 20
    Roboquant

    Roboquant

    User-friendly and completely free algorithmic trading platform

    Roboquant is an open-source algorithmic trading platform written in Kotlin. It is flexible, user-friendly and completely free to use. It is designed for anyone serious about algo-trading. So whether you are a beginning retail trader or an established trading firm, Roboquant can help you to quickly develop robust and fully automated trading strategies.
    Downloads: 8 This Week
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  • 21
    Cashew

    Cashew

    An app created to help users manage a budget and purchases

    ...It emphasizes simplicity and clarity, offering straightforward interfaces for adding transactions, categorizing them, and monitoring balances. Users can visualize their financial activity with charts and summaries, giving them insight into spending patterns. Because it is open source, developers can modify or extend it with features like recurring transactions, custom categories, or integrations. Cashew is cross-platform, so the same codebase runs smoothly on Android and iOS. Its design is focused on giving control to users without unnecessary complexity, making it suitable as a learning project as well as a practical budgeting tool.
    Downloads: 7 This Week
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  • 22
    Flowsurface

    Flowsurface

    A native desktop charting platform for crypto markets

    Flowsurface is a powerful open-source desktop charting platform tailored for crypto markets, built primarily in Rust with a focus on real-time data visualization and market microstructure analysis. Instead of traditional price charts alone, Flowsurface emphasizes order flow and liquidity visualization through advanced chart types like historical DOM heatmaps, footprint charts, and depth ladder displays.
    Downloads: 8 This Week
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  • 23
    Quadratic

    Quadratic

    Data science spreadsheet with Python & SQL

    ...Bring the latest open-source tools directly to your spreadsheet. Quickly write code and see the output in full detail. No more squinting into a tiny terminal to see your data output.
    Downloads: 7 This Week
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  • 24
    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: 9 This Week
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  • 25
    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: 8 This Week
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