是否有一个客户端（javascript）图形库，不需要服务器？

I need to generate many internal client-side (within the company only) graphs from streams of data, and since the data itself is "secret", I can't use a service like Google-Graphs for generating the graphs. So I was wondering if anyone has some recomendations for a javascript graph library that doesn't require a server.I need to generate many internal client-side (w