1# Code Contribution 2 3## Starting Contributions 4 5### Design Specifications 6 7- [OpenHarmony API Governance Charter](../design/OpenHarmony-API-governance.md) 8 9- [OpenHarmony Security Design Specifications](OpenHarmony-security-design-guide.md) 10 11- [OpenHarmony Build Specifications](https://gitee.com/openharmony/community/blob/master/sig/sig_buildsystem/sig_build_system.md) 12 13### Coding Style 14 15Develop, review, and test code following the OpenHarmony coding standards. Make sure code is written in the same style. 16 17- [TypeScript and JavaScript Coding Style Guide](OpenHarmony-Application-Typescript-JavaScript-coding-guide.md) 18- [TypeScript and JavaScript High-Performance Programming Practices and Tools](../application-dev/performance/high-performance-programming.md) 19- [C++ Coding Style Guide](OpenHarmony-cpp-coding-style-guide.md) 20- [C Coding Style Guide](OpenHarmony-c-coding-style-guide.md) 21- [JavaScript Coding Style Guide](OpenHarmony-JavaScript-coding-style-guide.md) 22- [Python Coding Style Guide](https://pep8.org/) 23- [C&C++ Secure Coding Guide](OpenHarmony-c-cpp-secure-coding-guide.md) 24- [Java Secure Coding Guide](OpenHarmony-Java-secure-coding-guide.md) 25- [32- and 64-Bit Portability Coding Guide](OpenHarmony-64bits-coding-guide.md) 26- [HDF Driver Coding Guide](OpenHarmony-hdf-coding-guide.md) 27- [Logging Guide](OpenHarmony-Log-guide.md) 28 29### Introducing Open-Source Software 30 31[Introducing Open-Source Software](introducing-open-source-software.md) 32 33### Test Specifications 34 35[OpenHarmony Secure Test Guide](OpenHarmony-security-test-guide.md) 36 37## Contribution Workflow 38 39[Contribution Process](contribution-process.md) 40 41## Security Issue Disclosure 42 43- [OpenHarmony Security Vulnerability Governance](https://gitee.com/openharmony/security/blob/master/en/security-process/README.md) 44- [OpenHarmony Security and Disclosure Statement](https://gitee.com/openharmony/security/blob/master/en/security-process/security-disclosure.md) 45