Top 12 Open-Source Alternatives to Java

Java

A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible.

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Product categories

Dynamic Programming Language Finance Generic Programming Language JVM Programming Language OOP Programming Language Tool

Summary

The top open-source alternatives to Java are Python, Rust, and PHP. 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.

Python Landing Page
1

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 288 social mentions
Rust Landing Page
2

Rust

A safe, concurrent, practical language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 48 social mentions
PHP Landing Page
3

PHP

A popular general-purpose scripting language that is especially suited to web development
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 54 social mentions
Lua Landing Page
4

Lua

Powerful, fast, lightweight, embeddable scripting language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 23 social mentions
Kotlin Landing Page
5

Kotlin

Statically typed Programming Language targeting JVM and JavaScript
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 81 social mentions
Ruby Landing Page
6

Ruby

A dynamic, interpreted, open source programming language with a focus on simplicity and productivity
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 4 social mentions
Haskell Landing Page
7

Haskell

An advanced purely-functional programming language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 21 social mentions
Scala Lang Landing Page
8

Scala Lang

Scala is a pure-bred object-oriented language that runs on the JVM
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 5 social mentions
Go Programming Language Landing Page
9

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 322 social mentions
Elixir Landing Page
10

Elixir

Dynamic, functional language designed for building scalable and maintainable applications
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 82 social mentions
Typescript Landing Page
11

Typescript

TypeScript allows developers to compile a superset of JavaScript to plain JavaScript on any browser, host, or operating system.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 27 social mentions
Haxe Landing Page
12

Haxe

Haxe is an open source toolkit based on a modern, high level, strictly typed programming language.
Pricing:
- Open Source
#Finance #Programming Language #OOP 48 social mentions