Everyone in the [rbspy contributors list](https://github.com/rbspy/rbspy/graphs/contributors),
plus (in alphabetical order) some people who aren't in the commit log: 

* [Ashley McNamara](https://github.com/ashleymcnamara) made the logo
* [Julian Squires](https://github.com/tokenrove/) for some very helpful early conversations and suggesting `process_vm_readv`
* [Kamal Marhubi](https://github.com/kamalmarhubi) came up with the [testing framework](https://github.com/rbspy/rbspy-testdata/commit/431814a7eb50b0bde083b2a52be9e5f68e117518) and code reviewed/pair programmed the initial implementation
* [Scott Francis](https://github.com/csfrancis) wrote very helpful blog posts on Ruby profiling with gdb (rbspy is very heavily inspired by [this gist](https://gist.github.com/csfrancis/11376304))
