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
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.
See BlueJ pricing for current limits.
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.