Tencent Kona

Tencent Kona

Tencent Kona is a no-cost, production-ready distribution of the Open Java Development Kit (OpenJDK), Long-Term Support (LTS) with quarterly updates.

Kona serves as the default JDK at Tencent internally, optimized for extreme-scale of Big Data, Machine Learning and Cloud Computing workload. It is also used to build and maintain a Tencent supported version of OpenJDK for Tencent customers and partners who wish to use OpenJDK to run their applications.

Kona also implements China’s cryptographic algorithms, including SM2, SM3 and SM4, and secure communication protocol TLCP (or SMSSL). For more details on theses features, please refer to the reference guide.

Supported JDK Releases

Tencent Kona currently supports the JDK Long-Term Support (LTS) releases 8, 11 and 17. For more details, please go through the individual repository for each of these releases:

Supported System Platforms

Tencent Kona currently supports Linux/x86_64, Linux/aarch64, Windows/x86_64 and Mac/x86_64.


Tencent Kona is under the same licensing terms as the upstream OpenJDK project. It is clearly a “friendly fork”. Please find the license text for more details.