BSP tree

https://github.com/gkahn13/bsp

wolfram alpha

https://www.wolframalpha.com/

找Paper

https://arxiv.org/

nom rudp

https://www.npmjs.com/package/rudp

Rudp

http://plan9.bell-labs.com/sources/plan9/sys/src/9/ip/rudp.c

cg trader

https://www.cgtrader.com