Showing 280 open source projects for "core java"

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  • 1
    AndroidOfferKiller

    AndroidOfferKiller

    Help you get a better offer

    ...It includes sections about referral channels and hiring information for certain companies, highlighting real-world hiring context in addition to theory. The project positions itself as an all-in-one preparation hub where you can review core CS topics, Android specifics, and optimization best practices before interviews. It is open-source and licensed under Apache-2.0, allowing learners to contribute new questions, solutions, and articles over time.
    Downloads: 0 This Week
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  • 2
    UCanAccess

    UCanAccess

    A pure Java JDBC driver for Microsoft Access database files

    UCanAccess is a pure Java JDBC Driver implementation which allows Java developers and JDBC client programs to read/write Microsoft Access database (.mdb and .accdb) files. No ODBC needed.
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    Downloads: 5,585 This Week
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  • 3
    algo

    algo

    50 Code Implementations You Must Know About Data Structures

    ...Solutions are available across numerous languages, including C, C++, Java, Go, Python, JavaScript, Rust, Swift, Kotlin, and TypeScript. This multilingual layout helps learners compare syntax and implementation choices while studying the same concepts. The repository is well suited to interview preparation, classroom exercises, and deliberate coding practice.
    Downloads: 0 This Week
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  • 4
    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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  • 5
    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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  • 6
    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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  • 7
    Keystone Engine

    Keystone Engine

    Keystone assembler framework: Core (Arm, Arm64, Hexagon, Mips, etc.)

    ...Multi-architecture, with support for Arm, Arm64 (AArch64/Armv8), Ethereum Virtual Machine, Hexagon, Mips, PowerPC, Sparc, SystemZ, & X86 (include 16/32/64bit). Clean/simple/lightweight/intuitive architecture-neutral API. Implemented in C/C++ languages, with bindings for Java, Masm, Visual Basic, C#, PowerShell, Perl, Python, NodeJS, Ruby, Go, Rust, Haskell & OCaml available. Native support for Windows & *nix (with Mac OSX, Linux, *BSD & Solaris confirmed). Thread-safe by design. Open-source. Keystone is based on LLVM, but it goes much further with a lot more to offer. This version fixes some important bugs inside the core of Keystone, added some new bindings & made some minor improvements. ...
    Downloads: 6 This Week
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  • 8
    xorm

    xorm

    xorm is a simple and powerful Go language ORM library

    xorm is a simple and powerful Go language ORM library, through which database operations can be made very easy. This library is a customized and enhanced version based on the original xorm, which provides xorm with ibatis-like configuration files and dynamic SQL support, and supports ActiveRecord operations. This library is based on the customized and enhanced version of the original xorm. Since this customized version has third-party library dependencies (the original version of xorm does...
    Downloads: 0 This Week
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  • 9
    Material Dialogs

    Material Dialogs

    Fluid, and extensible dialogs API for Kotlin & Android

    Material Dialogs makes constructing and using Material Designed dialogs super elegant and fun. The core module is the fundamental module that you need in order to use this library. The others are extensions to core. Please note that since Material Dialogs 2.x.x, this library only supports Kotlin. The latest Java version is 0.9.6.0. Note that 0.9.6.0 is unsupported, bugs & improvements will not be made to that version. The core module contains everything you need to get started with the library. ...
    Downloads: 0 This Week
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  • 10
    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: 1 This Week
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  • 11
    Processing

    Processing

    Source code for the processing core and development environment

    Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. Since 2001, Processing has promoted software literacy within the visual arts and visual literacy within technology. There are tens of thousands of students, artists, designers, researchers, and hobbyists who use processing for learning and prototyping. The core Processing software is augmented by libraries and tools contributed through the community. These inventive...
    Downloads: 59 This Week
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  • 12
    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: 10 This Week
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  • 13
    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: 2 This Week
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  • 14
    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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  • 15
    JAS-mine

    JAS-mine

    Toolkit for agent-based & dynamic microsimulation modelling

    ...In addition, the platform provides standard tools which are frequently used both in agent-based modelling and dynamic microsimulations, like design of experiments (DOE), run-time monitoring and visualization with plots and graphs (GUI), I/O communication and statistical analysis. JAS-mine source code can be found on GitHub, with the core repository at: https://github.com/jasmineRepo/JAS-mine-core and the GUI repository at: https://github.com/jasmineRepo/JAS-mine-gui
    Downloads: 0 This Week
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  • 16
    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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  • 17
    EasyPermissions

    EasyPermissions

    Simplify Android M system permissions

    EasyPermissions is a wrapper library to simplify basic system permissions logic when targeting Android M or higher. If your app is written in Kotlin consider the easypermissions-ktx library which adds Kotlin extensions to the core EasyPermissions library. To begin using EasyPermissions, have your Activity (or Fragment) override the onRequestPermissionsResult method. If all of the permissions in a given request are granted, all methods annotated with the proper request code will be...
    Downloads: 1 This Week
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  • 18
    VJTools

    VJTools

    The vip.com's java coding standard, libraries and tools

    Vipshop, which focuses on Java, has some knowledge about Java. "Alibaba Java Development Manual" is the first enterprise-level Java development manual published to the outside world, which is of great significance to the entire industry. Based on the internal experience of Vipshop, we refer to heavy materials such as "Clean Code" and "Effective Java" to add some items and make some simplifications.
    Downloads: 0 This Week
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  • 19

    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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  • 20
    Mosby

    Mosby

    Model-view-presenter and model-view-intent library for modern Android

    Mosby is a model-view-presenter and model-view-intent library designed specifically for Android apps. Migrating a Mosby 2.x based app to Mosby 3.0 should be straightforward. Just replace all import statements of your app in android studio. Mosby has a plugin for Conductor. The aim of this library is to help you build modern android apps with a clean Model-View-Presenter architecture. Furthermore, Mosby helps you to handle screen orientation changes by introducing ViewState and retaining...
    Downloads: 0 This Week
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  • 21
    Quasar

    Quasar

    Fibers, channels and actors for the JVM

    Quasar is a library that provides high-performance lightweight threads, Go-like channels, Erlang-like actors, and other asynchronous programming tools for Java and Kotlin. Quasar is developed by Parallel Universe and released as free software, dual-licensed under the Eclipse Public License and the GNU Lesser General Public License. Quasar fibers rely on bytecode instrumentation. This can be done at classloading time via a Java Agent, or at compilation time with an Ant task. Quasar’s...
    Downloads: 0 This Week
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  • 22
    A set of C++ libraries that provide core classes to build a project upon. From exceptions and basic types (String, Integer, Float, etc.) to collections, configs and loggers. Where possible, Java API is followed. STL based implementation. Ruby Application Framework (TSC-TPM) extensions. Ruby based utilities for simplifying day-to-day work. Moved to: https://github.com/stemkit-collection
    Downloads: 0 This Week
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  • 23

    X10

    Performance and Productivity at Scale

    X10 is a class-based, strongly-typed, garbage-collected, object-oriented language. To support concurrency and distribution, X10 uses the Asynchronous Partitioned Global Address Space programming model (APGAS). This model introduces two key concepts -- places and asynchronous tasks -- and a few mechanisms for coordination. With these, APGAS can express both regular and irregular parallelism, message-passing-style and active-message-style computations, fork-join and bulk-synchronous...
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    Downloads: 45 This Week
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  • 24
    Material Calendar View

    Material Calendar View

    A Material design back port of Android's CalendarView

    A Material design backport of Android's CalendarView. The goal is to have a Material look and feel, rather than 100% parity with the platform's implementation. Material CalendarView 2.0 comes in with a major change into the core of it's API, we transitioned from using java.util.Calendar to java.time.LocalDate. Also that should not impact the public api (we are still using CalendarDay), both Calendar and LocalDate function a little bit differently. One example of that: Months are now indexed...
    Downloads: 0 This Week
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  • 25
    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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