Open Source Java Software - Page 15
Sort By:
Java Software
Browse free open source Java Software and projects below. Use the toggles on the left to filter open source Java Software by OS, license, language, programming language, and project status.
-
Fully Managed MySQL, PostgreSQL, and SQL ServerCloud SQL handles your database ops end to end, so you can focus on your app.
-
$300 in Free Credit Towards Top Cloud ServicesStart your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
-
1
Block This
Free DNS based Ad Blocker for Android
Block This 3.1 is a free and open source ad blocker for Android that works in all apps and browsers! It provides the additional benefits of malware protection, increased browsing speed and reduction of mobile data traffic. Block all in-app and browser advertisements, including video and audio ads, popup ads, banners, tracking cookies. Block This takes care about your security with its antivirus features! We've included a large list of common malware distributors to keep you safe from viruses. According to our average estimates, by blocking all of the ads on your Android phone, you can save up to 35% of your data plan. Bypass your internet provider censorship and access parts of the web that were previously inaccessible for you. Block This is also Open source, which means that anyone can look at, read and suggest improvements to the code base. If you are a developer you can contribute by creating a pull request to our GitHub repository. -
2
ExoPlayer
An extensible media player for Android
ExoPlayer is an application level media player for Android. It provides an alternative to Android’s MediaPlayer API for playing audio and video both locally and over the Internet. ExoPlayer supports features not currently supported by Android’s MediaPlayer API, including DASH and SmoothStreaming adaptive playbacks. Unlike the MediaPlayer API, ExoPlayer is easy to customize and extend, and can be updated through Play Store application updates. ExoPlayer modules can be obtained from JCenter. It's also possible to clone the repository and depend on the modules locally. The easiest way to get started using ExoPlayer is to add it as a gradle dependency. You need to make sure you have the Google and JCenter repositories included in the build.gradle file in the root of your project. n addition to library modules, ExoPlayer has multiple extension modules that depend on external libraries to provide additional functionality. Some extensions are available from JCenter. -
3
Java WebSockets
A barebones WebSocket client and server implementation
This repository contains a barebones WebSocket server and client implementation written in 100% Java. The underlying classes are implemented java.nio, which allows for a non-blocking event-driven model (similar to the WebSocket API for web browsers). The org.java_websocket.server.WebSocketServer abstract class implements the server-side of the WebSocket Protocol. A WebSocket server by itself doesn't do anything except establish socket connections though HTTP. After that it's up to your subclass to add purpose. The org.java_websocket.client.WebSocketClient abstract class can connect to valid WebSocket servers. The constructor expects a valid ws:// or wss:// URI to connect to. Important events onOpen, onClose, onMessage and onError get fired throughout the life of the WebSocketClient, and must be implemented in your subclass. -
4
Logstash
Centralize, transform and stash your data
Logstash is a server-side data processing pipeline that dynamically ingests data from numerous sources, transforms it, and ships it to your favorite “stash” regardless of format or complexity. It supports and ingests data of all shapes, sizes and sources, dynamically transforms and prepares this data, and transports it to the output of your choice. Logstash is extensible, with over 200 plugins available to let you create and configure your pipeline how you choose. -
AI-generated apps that pass security reviewRetool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
-
5
MCProtocolLib
A library for communication with a Minecraft client/server
MCProtocolLib is a simple library for communicating with Minecraft clients and servers. It allows developers to build custom bots, clients, or servers for Minecraft with ease. -
6
NewPipe
A libre lightweight streaming front-end for Android
NewPipe is a free, open-source Android application that serves as a lightweight and privacy-friendly streaming front-end for platforms like YouTube, PeerTube, Bandcamp, and SoundCloud, letting users watch media without relying on proprietary APIs or Google Play Services. It intentionally avoids collecting personal data and doesn’t require sign-ins, giving people control over their privacy while still offering features like video search, history, channel subscriptions, and playlists directly within the app. Users can play videos at high resolutions, listen to audio in the background, and even use a popup player for multitasking, all while avoiding ads and excessive permissions that are common in official clients. NewPipe also supports downloading audio, video, and subtitles for offline viewing or saving bandwidth, and it parses service websites directly when official APIs aren’t suitable for its aims. -
7
PrettyZoo
Pretty nice Zookeeper GUI, Support Win / Mac / Linux Platform
PrettyZoo is a GUI for Zookeeper created by JavaFX and Apache Curator Framework. -
8
WinXP, Vista, Win7, linux, OpenSolaris native port of the BSD PSPSDK (ps2dev.org), with freely distributable import libraries and header files (DevPaks) for building cross compiled homebrew Sony PSP (PlayStation Portable) applications.
-
9
A distributed, peer-to-peer, server-less communication & messaging solution for JAVA (JMS), C++ and .NET applications, integrates with JBoss, WebLogic & WebSphere. Offers guaranteed delivery, security and transactions. Supports TCP, SSL & HTTP protocols.
-
Application Monitoring That Won't Slow Your App DownFull APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
-
10
LaTeXDraw
Vector drawing program for LaTeX using PSTricks
LaTeXDraw is a graphical drawing editor for LaTeX. LaTeXDraw can be used to 1) generate PSTricks code; 2) directly create PDF or PS pictures. -
11
JMRI Model Railroad Interface
Java applications to control a model railroad layout.
Java interfaces and sample implementations for controlling a model railroad layout from a personal computer. JMRI is intended as a jumping-off point for hobbyists to build their own layout controls. Includes the DecoderPro and PanelPro applications. -
12
FidoCadJ
Simple and intuitive 2D vector drawing for electronics and not only.
A multiplatform vector drawing program with a complete library of electronic symbols. Schematics and drawings are stored in a very compact text format. There is no netlist concept behind the drawings (so no simulation, and this is a choice) but this allows a great graphical flexibility and ease of use, making FidoCadJ the perfect tool for exchange sketches in forum and newsgroup discussions with a few clicks. Drawings can be exported in several graphic formats, such as pdf. Follow the development live on Twitter: https://twitter.com/davbucci -
13
kmttg
TiVo To Go and advanced Remote Control
NOTE: Check Wiki for abandoned project notes. kmttg is a Java based program I wrote to facilitate TivoToGo (TTG) transfers that can download, create pyTivo metadata, decrypt, run comskip & comcut (commercial detection and removal), create closed captions files and re-encode multiple shows you select from your Tivos all automatically. The program also has the capability to transfer and process shows automatically from your Tivos based on titles and keywords you setup. kmttg also has an advanced Remote Control which among many other things allows for Season Pass management, backup/restore, copying, etc. Also now has capability to backup/restore Channels received list and Thumbs ratings. Also has AutoSkip functionality where you can enjoy hands free commercial skip viewing on your TiVos. Also has ability to capture video output directly from Slingbox Pro or later models either on the LAN or WAN. -
14
-
15
OpenNMS
A Java based fault and performance management system
An Enterprise-Grade Network Management Application Platform that is 100% Free and Open Source Software. -
16
Interlocking system for modular model railroading. The goal is the development of hard- and software for an model interlocking interfacing on the one hand to the model railroad and on the other to the model of the userinterface of an real interlocking.
-
17
KryptEY
Android keyboard for secure E2EE communication
KryptEY is a secure, privacy‑focused Android keyboard that implements the Signal Protocol (X3DH + Double Ratchet) directly in the keyboard layer. It enables end-to-end encrypted messaging within any app—without relying on external servers—ensuring that key exchanges and message encryption happen locally, maintaining Signal-level security across platforms. -
18
Proxyee-Down
Download accelerator for HTTP and HTTPS
Proxyee Down is a powerful download accelerator for HTTP and HTTPS that uses man-in-the-middle (MITM) proxy techniques to bypass download speed restrictions on some websites. It captures and accelerates file downloads through browser proxy settings and supports multi-threaded downloads, resume functionality, and plugins for extended capabilities. Designed for advanced users, it offers granular control over download processes and speeds. -
19
VirtualXposed
Use Xposed without root, unlock the bootloader or modify system image
Open VirtualXposed, click on the drawer button at the bottom of the home page (or long click the screen), add your desired APP and Xposed Module to VirtualXposed’s virtual environment. Note, all operations (installation of Xposed Module, APP) must be done in VirtualXposed, otherwise the Xposed Module installed won’t take effect. For example, if you install the YouTube app on your system (Your phone’s original system, not in VirtualXposed), and then install YouTube AdAway (A YouTube Xposed Module) in VirtualXposed; or you install YouTube in VirtualXposed, and install YouTube AdAway on the original system, or both of them are installed on the original system, neither of these three cases will work! Clone an installed app from your original system. (Click Button at bottom of the home page, then click Add App, the first page shows a list of installed apps.) Install via an APK file. -
20
andOTP
Open source two-factor authentication for Android
Open source two-factor authentication for Android. It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code. This project started out as a fork of the great OTP Authenticator app written by Bruno Bierbaumer, which has sadly been inactive since 2015. By now almost every aspect of the app has been changed/re-written so the fork status of the Github repository got detached upon user request. But all credit for the original version and for starting this project still goes to Bruno. -
21
elevenlabs-api
elevenlabs-api is an open source Java wrapper around the ElevenLabs
Elevenlabs-api is an open-source Java wrapper around the ElevenLabs Voice Synthesis and Cloning Web API. Compiled JARs are available via the Releases tab. To access your ElevenLabs API key, head to the official website, you can view your xi-API-key using the 'Profile' tab on the website. To set up your ElevenLabs API key, you must register it with the ElevenLabsAPI Java API. For any public repository security, you should store your API key in an environment variable, or external from your source code. The most realistic and versatile AI speech software, ever. Eleven brings the most compelling, rich and lifelike voices to creators and publishers seeking the ultimate tools for storytelling. Generate top-quality spoken audio in any voice and style with the most advanced and multipurpose AI speech tool out there. Our deep learning model renders human intonation and inflections with unprecedented fidelity and adjusts delivery based on context. -
22
On The Mark is a video and image scoring system that allows one to mark any number of events and durations through a simple, easy-to-use graphical interface.
-
23
ProGuard Java Optimizer and Obfuscator
Java class file shrinker, optimizer, obfuscator, and preverifier
ProGuard has moved to Github now: https://github.com/Guardsquare/proguard ProGuard is a free Java class file shrinker, optimizer, obfuscator, and preverifier. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. ProGuard is useful for making code more compact and more efficient, on the desktop, on tablets, on smartphones, and on embedded devices. It also makes code more difficult to reverse engineer. -
24
Tiled
General purpose tile map editor
Tiled is a general purpose tile map editor, built to be flexible and easy to use. In addition to its own map format, Tiled supports read/write plugins for using it with proprietary map formats or formats used by other editors. -
25
Command-line/Ant-task/embeddable text file preprocessor. Macros, flow control, expressions. Recursive directory processing. Extensible in Java to display data from any data sources (as database). Can generate complete homepages (tree of HTML-s, images, etc.)
