perf2pprof converts perf record output to gperftools CPU profile format for analysis and visualization using excellent pprof tool.

Scrape from an Instagram profile tagged posts and correspondant publishers.

A web profiler for Rails applications.

A Ruby profiler for the rest of us, Rbkit plugs into a Ruby process, and taps realtime data to be sent over the network. We use Msgpack for achieving network transport.

A RSpec 2.x formatter which shows longest time spec files.

It extracts résumé data from public profile html files and exports to json, xml, yml, md, txt, html, pdf

A rack middleware for measuring GC activity during a request.

Wrapper for IActionable's restful API and an "acts-as" style interface for models to behave as profiles and drive game events.

A Chef cookbook for profiling performance in CI.

Ritalin is a irb profile manager. Automatically load the libs you need through a single command.