Showing 34877 open source projects for "java-legacy"

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  • 1
    ChatGPT Java API

    ChatGPT Java API

    Java SDK for seamless integration with ChatGPT APIs

    ChatGPT-Java is a Java SDK created by PlexPt that offers a convenient, out-of-the-box integration with the OpenAI ChatGPT API (including models like GPT-4o, GPT-5) for Java applications. The library supports chat completions, token counting, function calls, streaming responses, proxy configuration, custom API host, and integration with frameworks such as Spring (via SseEmitter).
    Downloads: 3 This Week
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  • 2
    Serverless Java container

    Serverless Java container

    A Java wrapper to run Spring, Spring Boot, Jersey, and other apps

    ...This means you can keep much of your familiar Java-based architecture (controllers, filters, dependency injection) and deploy it in a serverless environment without rewriting everything from scratch. The project supports multiple framework flavors and versions, provides archetypes (Maven/Gradle) to scaffold applications, and maintains separate branches for legacy (Java EE/1.x) and modern (Jakarta EE/2.x+) ecosystems.
    Downloads: 0 This Week
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  • 3
    Java Design Patterns

    Java Design Patterns

    Design patterns implemented in Java

    A comprehensive, community-maintained collection of design pattern implementations in Java, offering well-documented, educational examples to help developers understand and apply common architectural solutions. All designs should be as simple as possible. You should start with KISS, YAGNI, and Do The Simplest Thing That Could Possibly Work principles. Complexity and patterns should only be introduced when they are needed for practical extensibility.
    Downloads: 3 This Week
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  • 4
    Java and Spring Tutorials

    Java and Spring Tutorials

    Getting Started with Spring Boot 3

    Java and Spring Tutorials is a large-scale educational codebase that provides practical examples and tutorials covering a wide range of software development topics, primarily focused on Java and related ecosystems. It serves as a companion resource for Baeldung articles, offering real-world code implementations that demonstrate concepts such as Spring Boot, persistence frameworks, REST APIs, security, testing, and more.
    Downloads: 2 This Week
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    ObjectBox Java Database

    ObjectBox Java Database

    Java and Android Database - fast and lightweight without any ORM

    High-performance NoSQL database with integrated Data Sync for decentralized Edge Computing. Get fast access to the data you need across Embedded Devices, IoT, and Mobile. ObjectBox is 10x faster than any alternative, with high-speed data ingestion that increases response times. Check out our benchmarks. ObjectBox’ out-of-the-box synchronization makes data available when needed where needed, eliminating data islands and improving data flow. Develop applications that work on- and offline,...
    Downloads: 2 This Week
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  • 6
    Aidoku Sources

    Aidoku Sources

    Unofficial (legacy) sources for Aidoku

    ...The repository is structured to allow contributors to add, update, or maintain sources, fostering a collaborative ecosystem around content accessibility. Although the repository is considered legacy and no longer actively maintained, it still serves as a foundation for newer source lists and demonstrates how the extension system works. The sources are distributed through a centralized list that users can import directly into the application, simplifying installation and management.
    Downloads: 14 This Week
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  • 7
    commonmark-java

    commonmark-java

    Java library for parsing and rendering CommonMark (Markdown)

    Java library for parsing and rendering Markdown text according to the CommonMark specification (and some extensions). Provides classes for parsing input to an abstract syntax tree of nodes (AST), visiting and manipulating nodes, and rendering to HTML. It started out as a port of commonmark.js, but has since evolved into a full library with a nice API.
    Downloads: 0 This Week
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  • 8
    Useful Java links

    Useful Java links

    A list of useful Java frameworks, libraries, software and hello worlds

    Useful Java links repository is a curated collection of educational resources, frameworks, tools, and documentation related to Java programming and the broader Java ecosystem. The project organizes hundreds of links to libraries, development frameworks, tutorials, and technical references that are useful for both beginner and advanced Java developers.
    Downloads: 1 This Week
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  • 9
    From Java To Kotlin

    From Java To Kotlin

    Your Cheat Sheet For Java To Kotlin

    From Java to Kotlin is a practical guide for Android developers transitioning existing codebases and habits from Java to idiomatic Kotlin. Rather than simply showing syntax translations, it emphasizes Kotlin’s expressive features—null safety, extensions, data classes, sealed hierarchies, and higher-order functions—and how to apply them sensibly.
    Downloads: 1 This Week
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  • 10
    Java Design Patterns Website

    Java Design Patterns Website

    Next generation website for Java Design Patterns

    This project is the VuePress-powered web front end for the well-known “java-design-patterns” project, which documents classic and modern design patterns in Java. Its purpose is to present that large body of content as a browsable, fast, static website with organized navigation, search, and pattern categorization. Instead of reading patterns only in GitHub markdown, users can consume them in a more pleasant documentation format with sections, sidebars, and themed pages. ...
    Downloads: 1 This Week
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  • 11
    ArangoDB Java Driver

    ArangoDB Java Driver

    The official ArangoDB Java driver

    ArangoDB Java Driver is the official Java client for interacting with ArangoDB, a multi-model NoSQL database that supports document, key-value, and graph storage. This driver provides a high-level API for managing databases, executing AQL queries, and handling transactions efficiently.
    Downloads: 1 This Week
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  • 12
    Monero Java Library

    Monero Java Library

    Java library for using Monero

    A Java library for Monero transactions, enabling integration of Monero functions in Java applications.
    Downloads: 1 This Week
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  • 13
    Java API for GitHub

    Java API for GitHub

    Java API for GitHub

    This library defines an object oriented representation of the GitHub API. By "object oriented" we mean there are classes that correspond to the domain model of GitHub (such as GHUser and GHRepository), operations that act on them as defined as methods (such as GHUser.follow()), and those object references are used in favor of using string handle (such as GHUser.isMemberOf(GHOrganization) instead of GHUser.isMemberOf(String)) The library supports both github.com and GitHub Enterprise. Most of...
    Downloads: 1 This Week
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  • 14
    simplejson

    simplejson

    simplejson is a simple, fast, extensible JSON encoder/decoder

    simplejson is a simple, fast, complete, correct and extensible JSON <http://json.org> encoder and decoder for Python 3.3+ with legacy support for Python 2.5+. It is pure Python code with no dependencies but includes an optional C extension for a serious speed boost. simplejson is the externally maintained development version of the json library included with Python (since 2.6). This version is tested with the latest Python 3.8 and maintains backward compatibility with Python 3.3+ and the legacy Python 2.5 - Python 2.7 releases. ...
    Downloads: 7 This Week
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  • 15
    Gloo Gateway

    Gloo Gateway

    The Feature-rich, Kubernetes-native, Next-Generation API Gateway

    Gloo Gateway is a powerful Kubernetes-native ingress controller and API gateway that is based on the Kubernetes Gateway API. It excels in function-level routing, supports legacy apps, microservices and serverless, offers robust discovery capabilities, integrates seamlessly with open-source projects, and is designed to support hybrid applications with various technologies, architectures, protocols, and clouds.
    Downloads: 5 This Week
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  • 16
    MacUSB

    MacUSB

    Creating bootable macOS and OS X USB drives has never been easier

    macUSB is a macOS utility that streamlines the creation of bootable USB installers for macOS and legacy OS X versions, taking the complexity out of preparing installation media on modern Apple Silicon or Intel Macs. It automates disk formatting, installer detection, and content writing so that you can revive or install operating systems on older hardware—something that has become more difficult since Apple’s transition to its own silicon.
    Downloads: 87 This Week
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  • 17
    JDA Java Discord API

    JDA Java Discord API

    Java wrapper for the popular chat & VOIP service

    JDA strives to provide a clean and full wrapping of the Discord REST api and its Websocket-Events for Java. This library is a helpful tool that provides the functionality to create a discord bot in java. Discord is currently prohibiting creation and usage of automated client accounts (AccountType.CLIENT). We have officially dropped support for client login as of version 4.2.0! Note that JDA is not a good tool to build a custom discord client as it loads all servers/guilds on startup unlike a client which does this via lazy loading instead. ...
    Downloads: 15 This Week
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  • 18
    ThoriumOS

    ThoriumOS

    ChromiumOS fork with Thorium Browser, x264/x265 codecs

    ThoriumOS is an experimental Chromium OS fork maintained by the creator of the Thorium web browser. It is focused on optimizing Chrome OS for performance, developer control, and flexibility, especially on legacy or non-Google hardware. ThoriumOS provides a fast and lightweight desktop environment centered around the Chromium browser, aiming to give users a secure, privacy-respecting, and efficient alternative operating system. The project builds on Chromium OS's open-source base while stripping unnecessary components and adding user-requested features.
    Downloads: 49 This Week
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  • 19
    GriefPrevention

    GriefPrevention

    The official self-service anti-griefing Bukkit plugin for Minecraft

    ...Players can protect their own builds with minimal administrator involvement, which makes it useful for public survival servers with many users. The project targets current Spigot, Paper, and Purpur servers, while older versions remain available separately for legacy Minecraft environments. It also has an addon ecosystem for extending protection behavior beyond the core plugin. GriefPrevention is best suited for server owners who want practical build protection, fewer moderation emergencies, and a player-friendly claiming system.
    Downloads: 1 This Week
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  • 20
    Select2

    Select2

    The jQuery replacement for select boxes

    ...It’s ideal for enhancing native selects in terms of search and interface, easily loading data from JavaScript, paging and working with large datasets and more. Select2 comes with remote data support and built-in full browser support, be it for modern or legacy browsers. Select2 is also fully extensible, with a great selection of plugins and themes you can choose from to customize it to your needs.
    Downloads: 11 This Week
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  • 21
    Windows 95 in Electron

    Windows 95 in Electron

    Windows 95 in Electron. Runs on macOS, Linux, and Windows

    ...It essentially wraps an emulator — preconfigured to boot Windows 95 — inside a user-friendly app built with web technologies so developers and hobbyists can explore the look and feel of that classic OS without needing legacy hardware or complicated setup. Users can interact with familiar UI elements like the Start menu, File Explorer, and retro applications in a sandboxed environment that evokes early personal computing. Beyond being a playful trip down memory lane, the project demonstrates how emulation can be packaged using modern frameworks & how legacy operating systems can be encapsulated as distributable desktop experiences. ...
    Downloads: 119 This Week
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  • 22
    simple-java-maven-app

    simple-java-maven-app

    For an introductory tutorial on how to use Jenkins

    simple-java-maven-app is a reference repository created for the Jenkins tutorial on building a Java application with Maven. It contains a minimal Java program that prints “Hello world!” and includes unit tests to validate functionality, with test results exported in JUnit XML format. The repository provides an example that demonstrates how to configure a Jenkins Pipeline for building and delivering applications.
    Downloads: 8 This Week
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  • 23
    DreamFactory

    DreamFactory

    DreamFactory API Management Platform

    ...Secure every API endpoint behind Active Directory, OAuth2, Okta, OpenID Connect, and more. Restrict capabilities using role-Based Access Controls. Easily manage API keys. Deploy behind firewalls and in air-gapped environments. Integrate legacy technology into cutting-edge applications, extending technology lifecycles and derisking legacy system replacements.
    Downloads: 6 This Week
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  • 24
    Detect It Easy

    Detect It Easy

    Program for determining types of files for Windows, Linux and MacOS

    ...It is widely used by malware analysts, digital forensics investigators, reverse engineers, and security researchers to quickly inspect unknown files and infer their type, architecture, compiler/packer used, and internal structure. DiE supports a large variety of file formats — from common executables (Windows PE, Linux ELF, macOS Mach-O) to archives, mobile packages (APK, IPA), legacy binaries, compressed or packed files, and more — making it a versatile first step in analysis or triage workflows. The tool offers both a graphical user interface as well as a command-line interface, allowing flexible use across environments (desktop, servers, automation). Its detection engine is signature-based, but also includes heuristics that help when signatures are missing or obfuscated. ...
    Downloads: 205 This Week
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  • 25
    DSA Bootcamp Java

    DSA Bootcamp Java

    This repository consists of the code samples, assignments, and notes

    DSA Bootcamp Java is an open source educational repository created by Kunal Kushwaha to teach Data Structures and Algorithms (DSA) using Java. It is designed as a structured bootcamp, covering fundamental concepts to advanced problem-solving techniques. The project provides explanations, exercises, assignments, and practice problems, making it useful for both beginners and intermediate learners who want to strengthen their Java and algorithmic skills.
    Downloads: 3 This Week
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