Showing 2069 open source projects for "java"

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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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  • 1
    Frevo

    Frevo

    Frevo is probably the simplest tool for evolutionary design

    FREVO is an open-source framework developed in Java to help engineers and scientists in evolutionary design or optimization tasks. The major feature of FREVO is the componentwise decomposition and separation of the key building blocks for each optimization tasks. We identify these as the problem definition, solution representation and the optimization method. This structure enables the components to be designed separately allowing the user to easily swap and evaluate different configurations and methods or to connect an external simulation tool. ...
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  • 2

    lingvolearner-dicts-jeditor

    Dictionary editor for LingvoLearner android app

    Editor requires java 19 or above installed. Use this app for adding words with translations into database. You can use it in android application (not yet in Google Play). Then copy db file to your mobile. Download app from apks folder here and install it, open Setting in the app, then click upgrade database button.
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  • 3

    BoPlanets planetarium

    BoPlanets shows planets relatively to an observing planet.

    BoPlanets is a virtual planetarium showing the planets relatively to any observing planet. The planets can be viewed in ecliptical-, equatorial- or horizontal view. The times of rise, transit and set of a planet can be determined. Click on the link below to the web site of BoPlanets to see the help file of BoPlanets.
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  • 4
    JaCoP
    JaCoP is a Java Constraint Programming solver. It provides a significant number of (global) constraints to facilitate efficient modeling of combinatorial problems, as well as modular design of search. Documentation is available at project Web site. Please, note that the sources from version 4.0 are only available at GitHub.
    Downloads: 6 This Week
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  • Total Network Visibility for Network Engineers and IT Managers Icon
    Total Network Visibility for Network Engineers and IT Managers

    Network monitoring and troubleshooting is hard. TotalView makes it easy.

    This means every device on your network, and every interface on every device is automatically analyzed for performance, errors, QoS, and configuration.
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  • 5
    JSmol

    JSmol

    JavaScript-Based Molecular Viewer From Jmol

    JSmol is the extension of the Java-based molecular visualization applet Jmol (jmol.sourceforge.net) as an HTML5 JavaScript-only web app. It can be used in conjunction with the Java applet to provide an alternative to Java when the platform does not support that (iPhone/iPad) or does not support applets (Android). Used in conjunction with the Jmol JavaScript Object (http://wiki.jmol.org/index.php/Jmol_Javascript_Object), JSmol seamlessly offers alternatives to Java on these non-Applet platforms. ...
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    Downloads: 21 This Week
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  • 6
    CS Notes

    CS Notes

    Essential knowledge for technical interviews, Leetcode, and OS

    ...Created by CyC2018, the repository consolidates essential computer science topics, algorithm solutions, and interview preparation materials in one well-organized resource. It covers a broad range of subjects, including data structures, algorithms, operating systems, networks, databases, and Java development. The repository also includes sections on system design, distributed systems, caching, and message queues, providing practical knowledge relevant to software engineering interviews and real-world applications. In addition, it emphasizes code readability, clean coding practices, and proper documentation formatting. The notes follow the Chinese copywriting typesetting guidelines for improved readability, and the project employs consistent HTML-based image formatting to maintain a polished, uniform presentation across all documents.
    Downloads: 2 This Week
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  • 7
    JAlma is Java Astronomical Almanac.
    Downloads: 0 This Week
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  • 8
    Kendo Tournament Generator

    Kendo Tournament Generator

    Tool for managing a kendo tournament

    This software manage different kendo tournaments: from local simple championships to professional tournaments with high number of teams. The software can manage the registration of competitors, team generation, design of the tournament (simple, championship, manual, ... ). Also allows the creation of accreditations, list of teams and other documents in PDF useful for manage a real kendo tournament. Finally, it allows to obtain some statistics and feedback from each team and competitors.
    Downloads: 0 This Week
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  • 9
    UMHDL

    UMHDL

    Integrated Development Environment (IDE) for learning HDL

    UMHDL is an educational Integrated Development Environment (IDE) intended for learning digital designing with programmable logic devices using Hardware Description Languages (HDL) through simulation. It is an open-source application created at the Miguel Hernández University (UMH). The aim for the UMHDL development was to have a graphical application that allows learning the VHDL language without licensing restrictions (using some existing open-source tools) and requiring few resources. So,...
    Downloads: 52 This Week
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  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
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  • 10
    Digital Logic Design

    Digital Logic Design

    Digital Circuits Design and Simulation

    DLD V 2.0 Released Digital Logic Design is a Software tool for designing and simulating digital circuits. It provides digital parts ranging from simple gates to Arithmetic Logic Unit. You may start your circuit from simple gates and flipflops and keep on converting them into ICs. These ICs, later on, may be incorporated into other circuits to built more complex circuits like CPU. You may even use SOP expressions to generate digital circuits in IC form. You can use this software to...
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    Downloads: 59 This Week
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  • 11
    Dual Clip Translator
    Translation of Selected text or Clipboard contents powered by Google. HotKeys Paste/Change Text auto translated. View in Balloon/Window the result of translation, besides being sent to the clipboard. Screen Capture of Desktop/Game > OCR > Translated.
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    Downloads: 52 This Week
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  • 12
    Project Based Learning

    Project Based Learning

    Curated list of project-based tutorials

    project-based-learning is a community-curated open source repository that compiles programming tutorials focused on building real-world applications from scratch. It organizes resources by programming languages such as Python, Java, JavaScript, C++, Go, Rust, and many others. Each tutorial emphasizes practical, hands-on learning through project development rather than theoretical study. The collection spans various domains including web development, game programming, systems programming, and machine learning. By following the projects, learners can strengthen problem-solving skills, gain experience with different technologies, and build portfolios. ...
    Downloads: 0 This Week
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  • 13
    0xcafed0c5

    0xcafed0c5

    An Interactive Java API Examples and Documentation

    Downloads: 0 This Week
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  • 14
    The Art of Programming

    The Art of Programming

    A collection of practical tips can be found at the bottom of this page

    The Art of Programming (Second Edition) is a curated collection of programming problems and solutions originally derived from the Microsoft 100 Interview Questions blog series, later refined into a long-running tutorial and ultimately a published book. Created by July, the series began in 2010 and has since evolved into an in-depth exploration of algorithmic thinking, data structures, and coding interview preparation. The repository brings together 42 classic programming problems from the...
    Downloads: 0 This Week
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  • 15
    EasyQuizzer

    EasyQuizzer

    Helping teachers around the world to create unique tests per student.

    English Developed with the aim of helping teachers from different areas to create automated tests that are unique for each student. EasyQuizzer stores all questions in a database management system. Subsequently, an exam is set up with the desired items. The program will then run randomization algorithms that will shuffle both the questions and the alternatives so that there are no two identical exams. Portuguese-Brazil Desenvolvido com o intuito de auxiliar professores a criar provas...
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  • 16
    ixy-languages

    ixy-languages

    A high-speed network driver written in C, Rust, C++, Go, C#, Java

    ixy-languages is a repository exploring the implementation of the ixy network driver (originally written in C) in multiple programming languages, showing how the same core logic can be expressed across language boundaries. The ixy driver is a minimal DPDK-based user-space NIC driver intended for education, demonstration, and controlled experimentation. This project reimplements the ixy driver architecture in Rust, Go, C++, Zig, and possibly other languages, maintaining the same driver...
    Downloads: 0 This Week
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  • 17
    MGB OpenSource Guestbook
    MGB is a free OpenSource Guestbook completely written in PHP, using JavaScript and a MySQL Database. Easy to use, flexible and customizable with templates to make it fit 100% to your homepage.
    Downloads: 3 This Week
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  • 18
    Spring and Hibernate for Beginners

    Spring and Hibernate for Beginners

    Source code for the course: Spring and Hibernate for Beginners

    This repository contains code and resources for learning Spring and Hibernate, tailored to beginners looking to understand Java-based web development. Here is a Spring Boot Learning Path and Roadmap to help you learn more about Spring Boot. These are links to luv2code courses on Udemy. You can purchase the courses to further your studies.
    Downloads: 1 This Week
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  • 19
    Worderize Lite

    Worderize Lite

    Worderize is designed to make the language learning more effective.

    ...New features in V2.0: German and French localization; You can now add definition to words; "Edit" button for words and their definitions; DES + AES encryption. New features in V2.1: Support for Hebrew language. For more information please visit: https://github.com/Northstrix/Worderize Worderize Lite requires java to be installed on your computer. You can download java here https://www.java.com/en/
    Downloads: 0 This Week
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  • 20
    Biogenesis
    Biogenesis is an artificial life program that simulates the processes involved in the evolution of organisms. It shows colored segment based organisms that mutate and evolve in a 2D environment. Biogenesis is based on Primordial Life.
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    Downloads: 59 This Week
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  • 21
    MultiPseudo
    ...Permite la traducción de algoritmos entre los diferentes lenguajes de Pseudocódigo, así como la traducción del código a Python 2. MultiPseudo también permite la programación y desarrollo de algoritmos en Python 2. Disponible una versión en Java con uso de Jython y otra versión Javascript con uso de Skulpt.
    Downloads: 0 This Week
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  • 22
    mXparser - Math Parser Java C# Library

    mXparser - Math Parser Java C# Library

    A flexible mathematical expressions parser for JAVA, Android, C# .NET

    mXparser is highly flexible parser of math expressions. Software provides easy to use API for JAVA, Android, C# .NET/MONO (CLS). Main functionalities: - basic operators, i.e.: +, -, *, ^, ! - Boolean logic operators i.e.: or, and, xor - binary relations i.e.: =, <, > - math functions (large library of 1-arg, 2-arg, 3-arg - - functions) i.e.: sin, cos, Stirling numbers, log, inverse functions - constants (large library), i.e.: pi, e, golden ratio - n-args functions i.e.: greatest common divisor - iterated summation and product operators - differentiation and integration High flexibility: - user defined constants and arguments, both free - and dependent on other arguments + possibility of use in functions - user defined functions (both free and depended) - user defined recursive arguments + simple (controlled) recursion (1 recursive argument) - user defined recursive functions / expressions (any) - complex, many arguments, no limitation - internal syntax checkin
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  • 23
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  • 24
    Java based paino trainer. Creates random scores according to user preferences (scale, single/chords...) and waits for right MIDI in to erase right notes or complain about bad ones. Though the screenshots are in German it's i18n feature is just overwhelm
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  • 25
    MolMarker

    MolMarker

    Java software to evaluate the results obtained by molecular markers

    Journal article to cite: Jahnke, G.; Smidla, J.; Poczai, P. MolMarker: A Simple Tool for DNA Fingerprinting Studies and Polymorphic Information Content Calculation. Diversity 2022, 14, 497. https://doi.org/10.3390/d14060497 Leave a review, please! Your opinion matters! :-) MolMarker is user-friendly software to help evaluate the research results obtained by molecular markers. The software can handle genetic (e.g. SSR) and biochemical (e.g. isozyme) data, can construct similarity...
    Downloads: 0 This Week
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