Showing 862 open source projects for "java open source"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 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.
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  • 1
    FreqLength

    FreqLength

    Wavelength Calculator

    FreqLength is a simple wavelength calculator that takes a given frequency as input and spits out various wavelength values for that frequency (full wave, half wave, etc.) If you'd like to donate there's several ways to do so: PayPal: https://paypal.me/gerowen Bitcoin (BTC): bc1q86c5j7wvf6cw78tf8x3szxy5gnxg4gj8mw4sy2 Monero (XMR): 42ho3m9tJsobZwQDsFTk92ENdWAYk2zL8Qp42m7pKmfWE7jzei7Fwrs87MMXUTCVifjZZiStt3E7c5tmYa9qNxAf3MbY7rD LiberaPay: https://liberapay.com/gerowen
    Downloads: 0 This Week
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  • 2
    hack0689

    hack0689

    Hackings on calculators.

    For developing calculator programs. Digging for fun.
    Downloads: 0 This Week
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  • 3
    Astronomy CCD Calculator

    Astronomy CCD Calculator

    Plan and preview your astronomical shots

    A handy tool designed to help beginner Astronomers. The software Astronomy CCD Calculator uses NASA/SkyView survey resource which provides CCD images of the night sky.It helps you plan an observation by letting you play with different instruments resulting various "Fields Of View" so you can see what your camera will capture and choose the best target for the session.
    Downloads: 0 This Week
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  • 4
    Pc Calculator is a clever note and formula editor combined with an advanced and strong scientific calculator. Being an editor it is extremely user-friendly allowing all possible typing and other errors to be easily corrected and fast recalculated.
    Downloads: 0 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
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  • 5
    An easy and simple tool to calculate the half-lives of radioactive substances and looking up elements on the table of elements by name, element symbol, atomic number, or atomic weight. Source code is on GitHub here: https://github.com/InfinityDevelopment/ChemistryCalculator NOTE: This is a Java program. Inside the ZIP there is the .jar file and .bat file(which you would run to start the program on Windows) required to run on Windows, however, to run it on other operating systems you will most likely need to execute "java -jar program.jar" on it from that OS's terminal.
    Downloads: 0 This Week
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  • 6
    miniWork

    miniWork

    Editor, Calculator, Image Viewer and Color Picker

    -> miniColors is replaced by Colora (https://colora.sourceforge.io). <- miniWork is a project which includes a group of small and simple VB.Net WinForms office applications. It consists of the text and rich text editor miniEditor, the simple calculator miniCalc, the color picker miniColors and the image viewing program miniViewer. All applications are independent programs which are put together in this project. The project is kept very simple, so all applications only provide the most...
    Downloads: 3 This Week
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  • 7
    XiCalc is a scientific calculator, which evaluates a wide range of different expressions and supports standard mathematical functions. Additional functions and constants can be defined by the user. Latest version of source is for borland radstudio xe8. (can be downloaded at borland)
    Downloads: 0 This Week
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  • 8

    PPCaP.tw

    a calculator on personal probability of prostate cancer

    We collect articles and re-computerize those contents to help calculate the probability of prostate cancer for cases. The program now is focus on cases of Taiwan area because or our choice. The articles we used were : 1. Zhao R ans Huang Y et al published at PlosOne 2004 2. Virtanen A and Gomari M et al published at Clinical Chemistry 1999 3. Finne P and Auvinen A el al published at Euro Urol 2002 4. Chua M E and Tanseco PP et al published at Asian J Urol 2015
    Downloads: 0 This Week
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  • 9
    Mixture100

    Mixture100

    Simply percent calculator

    For making various mixtures, like homemade alcohol, brine or e-liquids. Add a components, set a percentage in total, set how much I want a given mixture and save, share or print recipe.
    Downloads: 0 This Week
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  • Financial reporting cloud-based software. Icon
    Financial reporting cloud-based software.

    For companies looking to automate their consolidation and financial statement function

    The software is cloud based and automates complexities around consolidating and reporting for groups with multiple year ends, currencies and ERP systems with a slice and dice approach to reporting. While retaining the structure, control and validation needed in a financial reporting tool, we’ve managed to keep things flexible.
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  • 10
    This is a calculator for calculate title insurance premium
    Downloads: 0 This Week
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  • 11
    Time Calculator

    Time Calculator

    Calculator GUI+CLI, but for time intervals

    Does simple math of two time values in the format MM:DD:YY. This allows adding/subtracting one duration with another without having to do any extra math to convert to/from decimal.
    Downloads: 4 This Week
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  • 12

    PeaZIP-mod

    It's a fork of Free Zip software and Rar extractor by Giorgio Tani.

    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, BZip/GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP files and more Open and extract 180+ 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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  • 13

    file digest

    A command-line utility for calculating and verifying file checksums.

    Digest is a command-line utility which can be used to calculate and verify checksums of any files, similar to md5sum or RHash, but using modern hash algorithms. Supported algorithms: BLAKE, BLAKE2, Grøstl, JH, Kupyna, MD5, SHA-1, SHA-2, SHA-3, Skein, SM3, Streebog, Whirlpool. Usage: digest [-c] <algorithm> <filename(s)> For example, if you want to calculate the checksums using skein512/256 algorithm, use this command: digest skein512/256 * > checksums.skein To verify the...
    Downloads: 1 This Week
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  • 14
    Crypto Arbitrage

    Crypto Arbitrage

    A cryptocurrency arbitrage opportunity calculator

    A cryptocurrency arbitrage opportunity calculator and trading bot. Over 800 currencies and 50 markets. In short, it collects JSON from multiple different cryptocurrency markets, goes through the results, and finds the highest and lowest price for each coin. The script will find the highest price (chbtc.com), and lowest price (Bittrex), and divide the two: 51.8/38.23 = ~1.35 (~35% profit margin) and then push these results to the browser. It will also find the next highest market pairs, e.g....
    Downloads: 0 This Week
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  • 15
    Qalculate! is a multi-purpose desktop calculator for GNU/Linux (now ported to Mac via MacPorts). It is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a user-friendly interface (GTK+). Qalculate! has now moved to GitHub (https://github.com/Qalculate). Get the latest version from http://qalculate.github.io/downloads.html.
    Downloads: 13 This Week
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  • 16
    Penobscot River RKM Calculator

    Penobscot River RKM Calculator

    Look up in river distances in the Penobscot River drainage.

    Allows user to input a .csv of UTM coordinates within the Penobscot River basin and calculates in-river distance (in kilometers) from the river's mouth to the locations of interest. The results are output into a new .csv file named yourfilename+RKM.csv. For the purposes of this calculator, river kilometer 0 is located at 516414E 4927755N in UTM Zone 19N, near the southwest corner of Verona Island. Simply download the setup file and run it to install the program. Please contact me with...
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  • 17

    Training Calculator

    Money or level calculate

    If you add level to program, the program push How much money, but if you add money to program push how much can level up. 3.0 TraniningCalculator.zip 2.0: TraningCalcForm.zip UPDATE (3.0 VERSION): - Add new languages (german and slovak) - Add gold calculate (to training) - euphemism
    Downloads: 0 This Week
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  • 18
    mcalx

    mcalx

    Matrix Calculator for LinuX

    MCalx is a small and quick C++ graphic calculator for performing common matrix operations such as addition, subtraction, multiplication and others.
    Downloads: 1 This Week
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  • 19
    TU Calc

    TU Calc

    Simple tool for numerical calculation

    TU Calc is a modular tool that aims to gather numerical methods for solution of mathematical problems. Interacting with the user through a GUI that is analogous to the windows desktop.
    Downloads: 0 This Week
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  • 20

    5NB THC Calculator

    thc % calculator in homemade eddibles

    this program will calculate the amount of THC in your home made eddibles, current version on has options for Flower and Concentrate
    Downloads: 0 This Week
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  • 21

    Volts-Watts-Amps Calculator

    Volt/Amps/Watts Converter

    Download Link https://sourceforge.net/projects/voltscalculator/
    Downloads: 0 This Week
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  • 22
    Pyramid Calc

    Pyramid Calc

    Simple calculator

    Simple and fast in use scientific calculator. More details in README. It's not that long.
    Downloads: 3 This Week
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  • 23
    Standard Atmosphere Calculator

    Standard Atmosphere Calculator

    Calculate the Standard Atmosphere properties at different altitudes.

    Simple dialog window to calculate the Standard Atmosphere properties (namely Temperature, Pressure, Density, and Speed of sound) using the altitude as input. It uses the published US Standard Atmosphere 1976 set of equations. Different unit conversions can be done directly within the interface. Useful for preparing CFD boundary conditions. The executable will write an .ini file from within the same folder it is launched. The ini file retrieves the interface options as well as positioning...
    Downloads: 0 This Week
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  • 24
    HistoryCal

    HistoryCal

    A calculator to work with historical dates and calendars.

    HistoryCal is a practical calculator designed to work with historical dates and calendars. The calculator will allow you to work with many different world calendar schemes and calculate ranges and ages based on these calendars. The calculator also has a script language that allows you to create variations of the built-in calendars: calendars that shift the new year to a different day; hybrid calendars that switch between schemes; local observational calendars that depend on a particular...
    Downloads: 0 This Week
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  • 25
    SCalc

    SCalc

    Calculates the transportation cost seasonality indexes

    Calculates the transportation cost seasonality indexes on the basis of the measurement approach by G. L. Lo Magno, M. Ferrante and S. De Cantis.
    Downloads: 0 This Week
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