Showing 529 open source projects for "java open source"

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    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
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  • 1
    CEmu emulator

    CEmu emulator

    Third-party TI-84 Plus CE / TI-83 Premium CE emulator

    Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable...
    Downloads: 20 This Week
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  • 2
    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: 122 This Week
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  • 3
    Numi

    Numi

    Beautiful calculator app for macOS

    Numi is a handy calculator app for macOS. It allows you to describe tasks naturally and instantly get an answer. For example, $20 in euro - 5% discount or today + 2 weeks.
    Downloads: 4 This Week
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  • 4
    Nano ID

    Nano ID

    A secure, URL-friendly, unique string ID generator for JavaScript

    Nano ID is a library for generating random IDs. Likewise UUID, there is a probability of duplicate IDs. However, this probability is extremely small. Meanwhile, a lot of projects generate IDs in small numbers. For those projects, the ID length could be reduced without risk. This calculator aims to help you realize the extent to which the ID length can be reduced. Instead of using the unsafe Math.random(), Nano ID uses the crypto module in Node.js and the Web Crypto API in browsers. These...
    Downloads: 1 This Week
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  • G-P - Global EOR Solution Icon
    G-P - Global EOR Solution

    Companies searching for an Employer of Record solution to mitigate risk and manage compliance, taxes, benefits, and payroll anywhere in the world

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  • 5
    Java multiprecision calculator

    Java multiprecision calculator

    Multiprecision calculator

    Multipresicion calculator, based on Bigdecimal Java class . It has a library (BigMath) that makes calculations with Bigdecimal. It has also an expression parser to parse the user input. It allows you to store user defined variables and functions . You can operate with them to be used for calculations or for creating new functions with composition. With the new version, you can also calculate the derivative of a function. JDK-17 compatibility
    Downloads: 0 This Week
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  • 6
    Legal Calculator

    Legal Calculator

    Brazilian Legal Calculator

    Brazilian Legal Calculator. Application to perform calculations for brazilian criminal enforcement
    Downloads: 2 This Week
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  • 7
    PeaZip

    PeaZip

    Free Zip software and Rar extractor

    PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.
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    Downloads: 1,715 This Week
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  • 8
    pj-net-tools

    pj-net-tools

    Pure Java Network Tools

    Source - https://github.com/harp077/pj-net-tools . If you like this - put a star on https://github.com/harp077/pj-net-tools
    Downloads: 13 This Week
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  • 9
    Elite Calculator

    Elite Calculator

    Elite Calculator - Accurate Math Solutions

    Elite Calculator Simplify your calculations with Elite Calculator, the ultimate tool for quick and accurate math solutions. Designed with a sleek interface and packed with features, it's your all-in-one math assistant. Key Features: 🔢 Standard Calculator: Perform basic arithmetic operations like addition, subtraction, multiplication, and division. 📐 Scientific Mode: Access advanced functions for trigonometry, logarithms, and more. 🎨 Customizable Themes: Switch between light and...
    Downloads: 6 This Week
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
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  • 10
    RPNCalc

    RPNCalc

    RPNCalc - The command line Reverse Polish Notation (RPN) Calculator

    RPNCalc is the command-line based Reverse Polish Notation (RPN) calculator. RPN calculators make it very simple to do complex calculations, especially if there are parentheses involved. I've created a User Guide (https://frossm.github.io/RPNCalc-UserGuide) to do a better job of explaining how to use RPNCalc than the old readme.md file, which was getting really long. If you have questions, issues, feedback, or ideas, please let me know. You can contact me via the links in the...
    Downloads: 9 This Week
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  • 11
    Giacenze Crypto

    Giacenze Crypto

    Programma per il calcolo delle plusvalenze Cripto + analisi CSV CDC

    Il programma permette di calcolare le plusvalenze (calcolate attraverso il metodo del LIFO) derivanti dagli scambi di criptovalute un po' su tutte le piattaforme e sulla Defi, inoltre per gli utenti di Crypto.com c’è anche la possibilità di calcolare saldo e giacenza media della Carta Visa e del Fiat Wallet. Le istruzioni sul funzionamento sono reperibili qua : https://sourceforge.net/p/giacenze-crypto-com/wiki/ISTRUZIONI/ Per ulteriori info potete unirvi al gruppo telegram...
    Downloads: 15 This Week
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  • 12
    phpipam

    phpipam

    phpipam open-source IP address management

    phpipam is an open-source web IP address management application (IPAM). Its goal is to provide light, modern and useful IP address management. It is php-based application with MySQL database backend, using jQuery libraries, ajax and some HTML5/CSS3 features.
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    Downloads: 165 This Week
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  • 13

    Hot Footer

    Virtual Tape Calculator

    A Calculator that prints its calculations to a log. Emulates a desktop tape calculator.
    Downloads: 0 This Week
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  • 14
    Advanced Trigonometry Calculator

    Advanced Trigonometry Calculator

    Precision Trigonometry: Advanced Calculator for Complex Math

    Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by...
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    Downloads: 41 This Week
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  • 15
    TeemIp - IPAM and DDI solution

    TeemIp - IPAM and DDI solution

    IP Address Management - CMDB - Ticketing - DNS and Zone Management

    TeemIp is a free, open source, WEB based, IP Address Management (IPAM) tool that provides comprehensive IP Management capabilities. It allows you to manage your IPv4, IPv6 and DNS spaces: track user requests, discover and allocate IPs, manage your IP plan, your subnet space, your zones and DNS records in accordance with best in class DDI practices.
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    Downloads: 123 This Week
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  • 16
    4tH compiler

    4tH compiler

    A Forth compiler with a little difference

    4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes...
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    Downloads: 98 This Week
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  • 17
    Calculator-Scripts

    Calculator-Scripts

    Just a few scripts for pocket calculators.

    Just a few applications for various pocket calculators.
    Downloads: 50 This Week
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  • 18
    CRC RevEng

    CRC RevEng

    Arbitrary-precision CRC calculator and algorithm finder

    CRC RevEng is a portable, arbitrary-precision CRC calculator and algorithm finder. It calculates CRCs using any of the 113 preset algorithms, or a user-specified algorithm to any width. It calculates reversed CRCs to give the bit pattern that produces a desired forward CRC. CRC RevEng also reverse-engineers any CRC algorithm from sufficient correctly formatted message-CRC pairs and optional known parameters. It comprises powerful input interpretation options. Compliant with Ross Williams'...
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    Downloads: 112 This Week
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  • 19
    Osmo
    Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.
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    Downloads: 51 This Week
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  • 20
    GestioIP IPAM - IP address management
    An automated, Web based IP address management (IPAM) software. It features powerful search and filter functions for both networks and host, as well as many tools (e.g. a subnet calculator) helping Administrators to plan and handle complex IP networks
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    Downloads: 77 This Week
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  • 21
    WP 34s

    WP 34s

    Scientific/engineering firmware repurposing HP business calculators!

    This project has created scientific firmware for the HP-20b and HP-30b business calculators. WP 34S turns either of these calculators into a powerful keystroke programmable scientific device. According to our customers, it's the most powerful and fastest RPN scientific pocket calculator ever built. WP 34S is alive and stable since 2011. We have succeeded in satisfying the most picky users - read about their experiences on http://www.hpmuseum.org/forum/forum-8.html. Since 2014, WP...
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    Downloads: 42 This Week
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  • 22
    Position Sizer

    Position Sizer

    Risk-based position size calculation tool with extra features

    Position Sizer is a utility panel for MetaTrader 4 and MetaTrader 5 platforms that lets you easily calculate position sizes for trades based on risk tolerance, stop-loss, account size, and the current market conditions. It can be configured and customized in multiple ways: https://www.earnforex.com/metatrader-expert-advisors/Position-Sizer/
    Downloads: 25 This Week
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  • 23
    TRURL

    TRURL

    A suite of RPN calculators and a class library for Object Pascal

    TRURL is a suite of desktop calculators with reverse Polish notation (RPN) written in Object Pascal. Additionally, it comes with a free reusable class library (RPN Engine) as a toolbox for creating your own calculator. TRURL is an acronym for "TRURL is a Reusable Universal RPN Library". Class Libraries: • RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators • Segmitator: Library for virtual seven-segment displays Applications: • TRURL A: Simple demo app...
    Downloads: 13 This Week
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  • 24
    QwikTape

    QwikTape

    Do calculations, annotate it like you would on a paper "qwikly".

    Downloads: 1 This Week
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  • 25

    eval: command line calculator

    Evaluate math expressions from command line or in interactive session.

    Small (156 kB) command line calculator. Evaluate an expression directly from command line with eval <expr> command Example: c:\> eval 2+3 5 or in an interactive session. In a session, results may be assigned to unlimited number of variables and used in later calculations. Example: > x := 6+7 13.0000 >y := x*2 26.0000 Large number of elementary, special, trigonometric, hyperbolic and probability distribution functions are available. Number of decimal digits is defined by...
    Downloads: 1 This Week
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