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YourKit heavily supports the community. You can request a free, fully functional commercial-grade license key if you meet the following criteria:
Once you have the new key string, here is how to apply it to the profiler. The process varies slightly between the Java and .NET profilers, but the logic is identical.
Once you receive your new license key string, you must register it within the application to unlock the profiler. Method 1: Via the User Interface (UI) Launch the YourKit Profiler desktop application.
If you have never used YourKit before, or if your previous license has expired and you need a fresh start: Navigate to the YourKit Buy Page. Select the product (Java or .NET Profiler). Choose the license type:
You can now install the software on your new machine and use your existing license key to activate it. Important Tips for New Users Buy or Renew Java Profiler License - YourKit yourkit license key new
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If you are a Java or .NET developer, you know that performance bottlenecks are the "ghosts in the machine." YourKit has long been the gold standard for exorcising these spirits. But before you can dive into deep-heap analysis or CPU profiling, you need to navigate the world of .
If you are a developer looking for a for YourKit specifically to work on the Paper project or a similar open-source initiative, you have several options: 1. Open Source Project Licenses
For the most up-to-date pricing and to purchase, always visit the official YourKit Purchase Page. YourKit heavily supports the community
: Geared towards larger enterprises. A centralized server leases keys dynamically to concurrent users across the organization. 3. Free Community and Academic Licenses
Licensed to a specific person for use on multiple machines, provided they are not used simultaneously.
If you encounter issues, try these common troubleshooting steps:
: Designed for medium-to-large teams. It counts concurrent users rather than installations, allowing you to install the profiler on unlimited machines. Personal License Once you receive your new license key string,
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: Free or heavily discounted keys for accredited educational institutions and non-commercial open-source maintainers.
Navigate to Help > Register... and paste your string.