IntelliJ IDEA & IntelliJ Platform
RStudio is an integrated development environment (IDE) for R
Next-gen container development platform, workspace server & cloud IDE
Apache NetBeans
New additions to the Java programming language
TLC is an explicit state model checker for specifications in TLA+
Runtime environment based on OpenJDK for running IntelliJ products
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Maven/Gradle alternative with a twist: its a single Java file
The IDE for competitive programming
Browser automation framework and ecosystem
Parser generator to read, process, or translate structured text
Do Leetcode exercises in IDE
An XMPP server licensed under the Open Source Apache License
Java library that enables cross-platform access to popular native APIs
Pure Java Terminal Emulator. Works with SSH and PTY
Fluent assertions for Java and Android
The SpotBugs plugin for security audits of Java web applications
Java JWT: JSON Web Token for Java and Android
Standalone Git GUI based on EGit
Lightweight Java and Android library for integration with Ethereum
Cross-platform framework for building truly native mobile apps
Generate matching and non matching strings based on regex patterns
Test automation made simple
Manifold is a Java compiler plugin, features include Metaprogramming