Top 12 Open-Source Alternatives to OpenJDK

The top open-source alternatives to OpenJDK are Netbeans, Microsoft OpenJDK, and Python. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Netbeans Landing Page
1

Netbeans

NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
Pricing:
- Open Source
#IDE #Text Editors #Software Development 15 social mentions
Microsoft OpenJDK Landing Page
2

Microsoft OpenJDK

The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.
Pricing:
- Open Source
#IDE #Text Editors #Software Development
Python Landing Page
3

Python

Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 280 social mentions
Visual Studio Code Landing Page
4

Visual Studio Code

Build and debug modern web and cloud applications, by Microsoft
Pricing:
- Open Source
#Text Editors #IDE #Software Development 1014 social mentions
Rust Landing Page
5

Rust

A safe, concurrent, practical language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 44 social mentions
Cypress.io Landing Page
6

Cypress.io

Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.
Pricing:
- Open Source
#Automated Testing #Software Development #Browser Testing 26 social mentions
Kotlin Landing Page
7

Kotlin

Statically typed Programming Language targeting JVM and JavaScript
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 74 social mentions
StackBlitz Landing Page
8

StackBlitz

Online VS Code Editor for Angular and React
Pricing:
- Open Source
#Text Editors #Programming #Programming Tools 98 social mentions
Scala Lang Landing Page
9

Scala Lang

Scala is a pure-bred object-oriented language that runs on the JVM
Pricing:
- Open Source
#Programming Language #JVM Programming Language #OOP 5 social mentions
PHP Landing Page
10

PHP

A popular general-purpose scripting language that is especially suited to web development
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 53 social mentions
Telosys Landing Page
11

Telosys

Telosys is a lightweight Open Source code generator. Telosys allows to generate any kind of language (Java, Python, GoLang, PHP, JavaScript, TypeScript, C#, etc). It works without UML model. All the code generation templates are customizable.
Pricing:
- Open Source
- Free
#Code Generator #Software Development #Development Tools 1 user reviews
Go Programming Language Landing Page
12

Go Programming Language

Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 292 social mentions