Best Open Source Java Libraries

Java Libraries

Libraries Java Object Brokering Clear Filters

Browse free open source Java Libraries and projects below. Use the toggles on the left to filter open source Java Libraries by OS, license, language, programming language, and project status.

Our Free Plans just got better! | Auth0
With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.

Try free now
Cloud-based help desk software with ServoDesk
Full access to Enterprise features. No credit card required.

What if You Could Automate 90% of Your Repetitive Tasks in Under 30 Days? At ServoDesk, we help businesses like yours automate operations with AI, allowing you to cut service times in half and increase productivity by 25% - without hiring more staff.

Try ServoDesk for free
1

jni4net

Fast, object oriented, intraprocess bridge between JVM and CLR

Fast, object oriented, intraprocess bridge between JVM and CLR

Downloads: 7 This Week

Last Update: 2014-09-23
See Project
2

Juffrou

Java Utilities Framework For the Rest Of Us

Juffrou stands for Java Utilities Framework For the Rest Of Us and is a collection of useful classes or mini frameworks to help the java developer. Checkout the juffrou-reflect module if you are into performant java bean handling. There is also an xml marshaller / unmarshaller which is easy to use and has cool features like the Simplified Marshalling of nested beans.

Downloads: 0 This Week

Last Update: 2014-03-06
See Project
3

Py4J

Py4J enables Python programs to dynamically access arbitrary Java objects. Methods are called as if the Java objects resided in the Python virtual machine. There is no code to generate and no interface to implement for shared objects on both sides.

Downloads: 0 This Week

Last Update: 2014-07-27
See Project
4

dotNet4Java - .Net for Java

The best Java library to work with .Net libraries and frameworks.

The dotNet4Java is a .Net Runtime Library for Java which helps Java developers work with .Net framework and 3rd party libraries in Java with ease. It is designed to provide a way to interact with applications written in anyone of the .Net languages (such as C#, Visual Basic.Net, Delphi.Net, JScript.Net etc) from Java. Competitive Advantages: - dotNet4Java JAR can be easily added to artefacts repository like maven or ivy. - dotNet4Java is single jar file that can be very easily added to any type of Java project EJB, applet, desktop, console or service. - No extra dll is required when deployed. - Full access to .Net Framework Class Library. - Lightweight and easy to use. - There are tools to import and generate .Net Libraries into Java class files. dotNet4Java can do so much: - Access .Net Framework Class Library. - Access Third Party .Net Libraries. - Access Your .Net Libraries. - Can invoke members of a .Net types. - etc Latest Version: 1.0.1.0

Downloads: 0 This Week

Last Update: 2020-10-02
See Project
Hightouch is a data and AI platform for marketing and personalization.
Marketing needs data and AI. Give them Hightouch.

Find insights, run real-time campaigns, and build AI agents with all your data.

Learn More