About

BlueJ is a Java development environment for beginners and introductory programming courses. It provides a smaller interface than mainstream IDEs, supports object inspection while programs run, and includes a code pad for evaluating Java expressions without compiling.

The project is available on Windows, macOS, Ubuntu/Debian, and other platforms with Java/JavaFX 21 support. It is used for teaching, includes documentation and classroom resources, and requires a 64-bit operating system for current releases.

  • Beginner-focused Java IDE
  • Interactive object inspection
  • Direct Java expression evaluation
  • Scope highlighting editor
  • Windows, macOS, Linux support
  • USB-stick portable option
  • Java/JavaFX 21 platform support
  • 64-bit operating system requirement

Free Tier Value

90
FTV score
Est. valueUnbounded
Credit cardNot stated
Feature parity100%

This is a perpetual free offering with no usage caps shown, so there is no defensible monthly dollar equivalent to estimate. It appears to be fully usable software rather than a limited trial or credit-based tier, and no credit card requirement is indicated on the page.

What's included in the free tier

Verified

Details aren't itemized for this entry yet - check the pricing page below for the latest.

Common questions

Is BlueJ free forever?

Yes. BlueJ is free forever, with no time limit and no usage threshold that forces a paid plan.

What is BlueJ's free tier worth?

BlueJ's free tier has no dollar cap - it's unlimited, with no usage threshold that forces a paid plan. That maps to an FTV score of 90/100. The FTV score is explained at freetier.co/ftv.