Siege is very comparable but vegeta has a lot more output options such as graphs, JSON, CSV, etc...
Another tool I forgot to mention was wrk (and now wrk2) which are unique in that they are scriptable via lua.
Another tool I forgot to mention was wrk (and now wrk2) which are unique in that they are scriptable via lua.
This obviously isn't terribly useful if you're just trying to gauge request rates, or apply load, but it's very useful if you need a repeatable way to not only measure request rates but see how your server is doing under load.