279 projects for "core java" with 1 filter applied:

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
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    Host LLMs in Production With On-Demand GPUs

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  • 1
    jsoncat

    jsoncat

    Lightweight HTTP framework built in Java

    jsoncat is a lightweight HTTP framework built in Java (using Netty) that aims to replicate some of the feel of Spring Boot—but in a minimal, educational style focused on clarity rather than full enterprise complexity. The project is organized as a small library and tutorial-style codebase, where core HTTP handling, routing, and JSON processing are exposed in a compact way so learners can trace how HTTP requests are parsed and dispatched.
    Downloads: 0 This Week
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  • 2
    Essentials

    Essentials

    General purpose utilities and hash functions for Android and Java

    ...Essentials emphasizes speed and low footprint, with components such as LongHashMap delivering measurable performance improvements over standard implementations. The library is compatible with both Android and standard Java environments, making it broadly usable across platforms. Overall, Essentials serves developers who want faster and more convenient core utilities without adopting large libraries like Guava or Apache Commons.
    Downloads: 0 This Week
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  • 3
    exchange-core java

    exchange-core java

    Ultra-fast matching engine written in Java based on LMAX Disruptor

    Exchange-core is an open source market exchange core based on LMAX Disruptor, Eclipse Collections (ex. Goldman Sachs GS Collections), Real Logic Agrona, OpenHFT Chronicle-Wire, LZ4 Java, and Adaptive Radix Trees. HFT optimized. Priority is a limit-order-move operation mean latency (currently ~0.5µs). Cancel operation takes ~0.7µs, placing new order ~1.0µs.
    Downloads: 0 This Week
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  • 4
    JavaForce

    JavaForce

    Java Development Framework

    JavaForce (JF) is a Java library extending the capabilities of Java. It includes a VoIP stack and native bindings for FFMPEG, OpenGL, and Camera (Windows, Linux and Mac). Includes many apps such as jfPhone, jfPBX, jfPaint, jfVideo Creator, etc. JF is the core of the Java/Linux Operating System : jfLinux.sf.net JF is also used to create another Minecraft clone : jfcraft.sf.net Moved to github.com/pquiring/javaforce
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    Downloads: 15 This Week
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  • Catch Bugs Before Your Customers Do Icon
    Catch Bugs Before Your Customers Do

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    Move from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
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  • 5
    YARI is a comprehensive tool suite to debug (layouts), spy, spider, inspect and navigate SWT and Eclipse based application GUIs (Workbench or RCP) at runtime.
    Downloads: 0 This Week
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  • 6
    AhoCorasickDoubleArrayTrie

    AhoCorasickDoubleArrayTrie

    An extremely fast implementation of Aho Corasick algorithm

    AhoCorasickDoubleArrayTrie is a Java implementation of the Aho–Corasick multi-pattern matching algorithm that is optimized using a Double-Array Trie data structure. It is designed for fast keyword scanning across large texts, where you want to search for many patterns simultaneously and efficiently. The core idea is to build an automaton from a dictionary of patterns, then stream through input text to emit matches with minimal overhead.
    Downloads: 0 This Week
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  • 7
    echo-core is a core library used to build Echo2 based webapplications. It helps the developer implementing MVC, creating data tables, handling exceptions and binding bean to form fields.
    Downloads: 0 This Week
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  • 8
    pulse - Java web app framework / CMS

    pulse - Java web app framework / CMS

    Built for enterprise level and highly customized websites

    An open source portal solution in Java. pulse is a framework on top of the Servlet API providing easy to use and easy to extend patterns for creating browser based applications and websites. Moreover pulse delivers a set of out-of-the-box components, e.g. CMS, shopping, user management. Key features: - Cross-platform, implemented using Java technology. - Completely written using Java 6
    Downloads: 1 This Week
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  • 9
    Cicada

    Cicada

    Fast lightweight HTTP service framework

    Fast, lightweight Web framework based on Netty; without too much dependency, and the core jar package is only 30KB. Configuration files can also be read in multiple environments, just add VM parameters, also ensure that the parameter name and file name are consistent.
    Downloads: 0 This Week
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  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

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  • 10
    MITIE

    MITIE

    MITIE: library and tools for information extraction

    ...MITIE offers several pre-trained models providing varying levels of support for both English, Spanish, and German trained using a variety of linguistic resources (e.g., CoNLL 2003, ACE, Wikipedia, Freebase, and Gigaword). The core MITIE software is written in C++, but bindings for several other software languages including Python, R, Java, C, and MATLAB allow a user to quickly integrate MITIE into his/her own applications.
    Downloads: 0 This Week
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  • 11

    Wheefun Computer Prototyping Kit

    A Toolkit for Designing Computers

    This package is designed for people who are a) interested in writing emulators or b) integrating this level of detain into their applications (e.g., a video game). The ability to do this is useful because a) it allows for tinkering far before physical implementation of the design is. In addition to a strong core, WFCPK will also include modules emulating various processors (e.g., the MOS 6502 and the Zilog Z80) as well as the Video-Audio Interface (a custom VGA-compatible display and...
    Downloads: 0 This Week
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  • 12
    Incanter

    Incanter

    Clojure-based, R-like statistical computing and graphics environment

    Incanter is a Clojure-based, R-like statistical computing and visualization library running on the JVM. It integrates core numerical libraries like Parallel Colt and JFreeChart to deliver data manipulation, modeling, statistical tests, and charting in a REPL-friendly environment. Start by visiting the Incanter website for an overview, check out the documentation page for a listing of HOW-TOs and examples, and then download either an Incanter executable or a pre-built version of the latest...
    Downloads: 0 This Week
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  • 13
    JCSprout

    JCSprout

    Basic, concurrent algorithm

    JCSprout is a curated learning path for Java engineers that mixes concise notes, diagrams, and runnable examples to cover core computer science and JVM topics. It walks readers through data structures and algorithms, networking fundamentals, Java concurrency, JVM memory model and GC, and common interview problem patterns. The repository emphasizes understanding over memorization, linking conceptual summaries with small code artifacts that can be compiled and profiled. ...
    Downloads: 0 This Week
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  • 14
    x205

    x205

    Leveraging the shoulder of a Giant, x205 is complete ready to use CMS.

    x205 CMS comes as a complete core system allowing *easy-to-install* modules and themes. This allows you to include modules to store content in news, forums, downloads, etc. Or change the looks very easily, by changing the theme. x205 is a fork of Xoops 2.0.5, we will add details as to why, how, what's happening and more!
    Downloads: 0 This Week
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  • 15
    Numerics for Chemical Engineering

    Numerics for Chemical Engineering

    Numerical models for chemical and process engineering

    NCE Calculation Framework is a library of routines, models and data applicable to chemical and process engineering calculations, written in Java. -- NEW -- www.chesolver.com *ONLINE CALCULATORS*. A set of solvers to perform calculations consistently on any device, from smart-phone to desktop. The project includes the following ready to use software all based on the same core library: * Online Calculators at www.chesolver.com * Extensions for Libreoffice/Openoffice Calc spreadsheet: - NCE: https://extensions.libreoffice.org/extensions/nce - NCE-Units: https://extensions.libreoffice.org/extensions/nce-units Check out also our video channel: https://www.youtube.com/channel/UCt2EGdw33k2u19PnZAi8YJA
    Downloads: 4 This Week
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  • 16
    TimeCollect
    TimeCollect records time you spent on your development work. Core features are: Automatic uptime monitoring, recording a break with one click, Trac integration for fetching tickets you are working on, storage in Derby or external MySQL database.
    Downloads: 0 This Week
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  • 17
    The Teachingbox uses advanced machine learning techniques to relieve developers from the programming of hand-crafted sophisticated behaviors of autonomous agents (such as robots, game players etc...) In the current status we have implemented a well founded reinforcement learning core in Java with many popular usecases, environments, policies and learners. Obtaining the teachingbox: FOR USERS: If you want to download the latest releases, please visit: http://search.maven.org/#search|ga|1|teachingbox FOR DEVELOPERS: 1) If you use Apache Maven, just add the following dependency to your pom.xml: <dependency> <groupId>org.sf.teachingbox</groupId> <artifactId>teachingbox-core</artifactId> <version>1.2.3</version> </dependency> 2) If you want to check out the most recent source-code: git clone https://git.code.sf.net/p/teachingbox/core teachingbox-core Documentation: https://sourceforge.net/p/teachingbox/documentation/HEAD/tree/trunk/manual/
    Downloads: 0 This Week
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  • 18

    popt4jlib

    Parallel Optimization Library for Java

    ...A fast parallel implementation of the network simplex method, and some full-fledged parallel/distributed MIP solvers will be added in the next version. In general, emphasis is given in improving the efficiency of the algorithms in shared-memory models via java threads, since multi-core machines are so wide-spread today.
    Downloads: 0 This Week
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  • 19
    JennyNet

    JennyNet

    Java Network Layer for Server/Client Communication

    Java Network Layer resting on TCP/IP is now developed by Wolfgang Keller, SF user "kse". This site is outdated and contains an old version of the software. I have given up developing this project and left all copyright to Wolfgang Keller.
    Downloads: 0 This Week
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  • 20
    openBaraza HCM HR Payroll

    openBaraza HCM HR Payroll

    Human Capital Management system

    ...HCM has Human resource (HR) and Payroll management system. Features; online job applications; employee details with standardised CV; leave management; payroll processing. Its based on the Open Baraza Java/XML. Demo https://demo.openbaraza.org/hr/
    Downloads: 6 This Week
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  • 21
    Platonos is a group of sub projects that will provide a highly dynamic and rapid application development cycle for java developers. The core project is the dynamic plugin engine, with a Swing application framework built on top of it.
    Downloads: 0 This Week
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  • 22
    Gecco

    Gecco

    Lightweight Java web crawler framework with jQuery-style extraction

    ...Through its annotation-based design, developers can define crawling rules and data extraction logic directly within Java classes, reducing boilerplate code and improving readability. Gecco also provides mechanisms for handling dynamic web content, including support for asynchronous requests and extraction of JavaScript variables from pages. Gecco emphasizes extensibility and follows an open design that allows additional components and integrations to be added without modifying the core codebase.
    Downloads: 5 This Week
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  • 23
    Bias :: Versatile Information Manager
    Bias is a cross-platform versatile information management application / Organizer
    Downloads: 0 This Week
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  • 24
    DSL-JSON library

    DSL-JSON library

    High performance JVM JSON library

    Fastest JVM (Java/Android/Scala/Kotlin) JSON library with advanced compile-time data binding support. Java JSON library designed for performance. Originally built for invasive software composition with DSL Platform compiler. v1 core library was targeting Java6, while v2 targets Java8. So there is no need anymore for dsl-json-java8 project and instead, just dsl-json project should be referenced.
    Downloads: 0 This Week
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  • 25
    DataCleaner

    DataCleaner

    Data quality analysis, profiling, cleansing, duplicate detection +more

    DataCleaner is a data quality analysis application and a solution platform for DQ solutions. It's core is a strong data profiling engine, which is extensible and thereby adds data cleansing, transformations, enrichment, deduplication, matching and merging. Website: http://datacleaner.github.io
    Downloads: 9 This Week
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