docs: readme

Author: Nugine

README.md

@@ -21,12 +21,22 @@ Documentation: <https://docs.rs/zuc>
 
 ## References
 
-- **ZUC 128**: [GB/T 33133.1-2016](https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=8C41A3AEECCA52B5C0011C8010CF0715)
-- **128-EEA3**: [GB/T 33133.2-2021](https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=5D3CBA3ADEC7989344BD1E63006EF2B3), [EEA3-EIA3-specification](https://www.gsma.com/solutions-and-impact/technologies/security/wp-content/uploads/2019/05/EEA3_EIA3_specification_v1_8.pdf)
-- **128-EIA3**: [GB/T 33133.3-2021](https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=C6D60AE0A7578E970EF2280ABD49F4F0), [EEA3-EIA3-specification](https://www.gsma.com/solutions-and-impact/technologies/security/wp-content/uploads/2019/05/EEA3_EIA3_specification_v1_8.pdf)
-- **ZUC 256**: [ZUC256-version1.1](http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020180416526664982687.pdf)
-- **ZUC 256 Addendum**: [ZUC256-addendum](http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020220926381349696866.pdf) (unimplemented)
-- **ZUC 256 New Initialization**: [ZUC256-new-initialization](http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020230201389233346416.pdf) (unimplemented)
+### Standards
+
++ **ZUC 128**: [GB/T 33133.1-2016](https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=8C41A3AEECCA52B5C0011C8010CF0715)
++ **128-EEA3**: [GB/T 33133.2-2021](https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=5D3CBA3ADEC7989344BD1E63006EF2B3), [EEA3-EIA3-specification](https://www.gsma.com/solutions-and-impact/technologies/security/wp-content/uploads/2019/05/EEA3_EIA3_specification_v1_8.pdf)
++ **128-EIA3**: [GB/T 33133.3-2021](https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=C6D60AE0A7578E970EF2280ABD49F4F0), [EEA3-EIA3-specification](https://www.gsma.com/solutions-and-impact/technologies/security/wp-content/uploads/2019/05/EEA3_EIA3_specification_v1_8.pdf)
++ **ZUC 256**: [ZUC256-version1.1](http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020180416526664982687.pdf)
++ **ZUC 256 Addendum**: [ZUC256-addendum](http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020220926381349696866.pdf) (unimplemented)
++ **ZUC 256 New Initialization**: [ZUC256-new-initialization](http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020230201389233346416.pdf) (unimplemented)
+
+### Related Projects
+
++ https://github.com/CrayfishGo/gm-rs
++ https://github.com/guanzhi/GmSSL
++ https://github.com/emmansun/gmsm
++ https://github.com/intel/intel-ipsec-mb
++ https://github.com/Tongsuo-Project/Tongsuo
 
 ## Contributing