Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Ruby
- Python
- PHP
- Go (Programming Language)
- Java
- Elixir
Browse 197 Java Libraries and Tools on AlternativeTo.




Chordless is a Chord and DHash implementation written in java. It implements almost everything from Chord and DHash described at http://pdos.csail.mit.edu/chord/ , as well as some extra features such as transactions and remote method invocation.


Free, open-source hot reload for Java, Spring Boot and SAP Commerce (Hybris) that redefines classes in place on a stock JDK, keeps application state, and needs no restart.


The English to French Translator application is your ultimate solution for seamless and accurate translations between English and French. Designed for ease of use, our app ensures efficient and reliable translations for all your needs, whether you're converting a simple...



PandaSpigot is a fork of PaperMC 1.8.8, a Minecraft server jar, that improves on many features, and includes unique customization and patches.
FusionReactor goes beyond “just monitoring”, to actively minimize server downtime and accelerate time to resolution like no other monitoring tool on the market. Cut to the chase and get to the root of your Java production application problems.




Malimite is an iOS and macOS decompiler designed to help researchers analyze and decode IPA files and Application Bundles.


CBFS Storage is an all-in-one file storage solution that allows you to create and embed a high-performance filesystem anywhere—hard drives, flash cards, custom-built hardware, database records, raw memory, and anywhere else data can be persisted.

OpenPDF is a free Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is based on a fork of iText.

ReflectionUI is a free (open source) Java GUI builder/generator library allowing to build Reflected Graphical User Interfaces (based on reflection).


EmailSuccess, an advanced SMTP Server (MTA) built from the ground up to handle the most critical reliability, performance, security, and deliverability requirements.




A utility to help with Book scanning using cameras as a scanner. It will automate things such as cropping, rotating, fixing keystoning, fixing the DPI, and outputing it to tiff files that can be changed into PDF's or ebooks.

OpenChord is an open source implementation of the Chord distributed hash table as described in the paper by Ion Stoica et al. "Chord: A scalable peer-to-peer lookup service for internet applications".
jsprit is a java based, open source toolkit for solving rich Traveling Salesman Problems(TSP) and Vehicle Routing Problems(VRP). It is lightweight, flexible and easy-to-use, and based on a single all-purpose meta-heuristic currently solving


SlothTracker is a Java-based, offline time tracking tool for Mac, Windows and Linux desktops.



jTrainGraph - convenient application for train time-distance-graphs and timetables. Opens and saves to .fpl format. Graphs can be exported to .jpg, .gif and .png. Data can be imported from or exported to csv and excel.




gedcom4j is an open-source, free-to-use Java library (jar file) that can read, manipulate, and write genealogy data using the GEDCOM format in your own Java programs...including commercial, closed-source projects.
Eclipse Deeplearning4j is the first commercial-grade, open-source, distributed deep-learning library written for Java and Scala. Integrated with Hadoop and Apache Spark, DL4J brings AI to business environments for use on distributed GPUs and CPUs.


PintTask is an advanced and turnkey task marketplace script developed by ClonesCloud which lets you start your own task marketplace website similar to TaskRabbit. Besides, PintTask is a fully customizable script according to your requirements.



Historically, software platform vendors have created lock-ins for customers that building on their stacks. Open source has provided greater freedom and reduced investments for applications projects. The so-called Platform As A Service (PaaS) offerings from the cloud providers...
Companies worldwide rely on edtFTPj/Free to add FTP to their Java applications. It is a robust, proven open-source FTP library for the Java Framework.





