Java Libraries and Tools

JDownloader is a download manager, written in Java, which allows automatic download of groups of files from one-click hosting sites.

Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.

A versatile, open-source database tool for developers and administrators supporting multiple databases via JDBC drivers with extensive plugins.

Free Java-based interior design tool for drawing house plans, arranging furniture, and viewing results in 3D with open-source flexibility.

Open-source, cross-platform network scanner for fast, simple IP and port scanning. Lightweight with no installation needed, extensible via plugins.

Freeplane is a powerful and free software for building mind maps. It is a redesigned version of the well known FreeMind , and is created by one of FreeMind's key developers.

Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.

muCommander is a lightweight, cross-platform file manager with a dual-pane interface. It runs on any operating system with Java support (Mac OS X, Windows, Linux, *BSD, Solaris...).

The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects.

A self-hosted, privacy-first location timeline platform: an open-source alternative to Google Timeline with automatic trip detection, Immich integration, and rich analytics.

Peergos is a secure and private online space where you can store, share and view your photos, videos, music and documents.

Memento Database is a highly flexible, cross-platform tool designed to help you track, organize, and analyze any type of data. Whether you are looking for a mobile-first alternative to Microsoft Access, a truly offline replacement for Airtable, or a more structured relational...

Fully featured terminal based on JediTerm.

Selenium is a suite of tools specifically for testing web applications. It provides a playback tool for authoring functional tests across most modern web browsers, without the need to learn a test scripting language (Selenium IDE).

• Create and manage your own files in separate workspaces with saving in your local storage, which means you have full control of your knowledge compared to cloud solutions.

Yawcam stands for Yet Another Webcam software & that's exactly what it is. More precisely Yawcam is a webcam software for windows written in Java. The main ideas for Yawcam are to keep it simple and easy to use, but to include all the usual features.

JUnit is a unit testing framework for the Java programming language. JUnit has been important in the development of test-driven development, and is one of a family of unit testing frameworks collectively known as xUnit that originated with SUnit.

One DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.

Repeat is a full-fledged, Java mouse/keyboard record/replay and automation hotkeys/macros creation using modern programming languages, and more advanced automation features. Working across three major OSes: Windows, OSX, and Linux.

Travis CI is a leading provider of continuous integration and delivery services and empowers software development teams to test and deploy their applications with confidence. Teams can easily sync their cloud platform projects with Travis CI to begin testing code in minutes.

Geyser is a bridge between Minecraft: Bedrock Edition and Minecraft: Java Edition which allows you to join Minecraft Java servers with Bedrock Edition servers to enable true cross-platform.

Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms.

Gradle is a build tool with a focus on build automation and support for multi-language development. If you are building, testing, publishing, and deploying software on any platform, Gradle offers a flexible model that can support the entire development lifecycle from compiling...

Portable Java utility for viewing TIFF files and understanding their structure. It decodes most TIFF files, allows viewing images, inspecting tags (IFD), and decoding multiscale pyramids (SVS).