rblineprof shows you lines of code that are slow.

debugger is a fast implementation of the standard Ruby debugger debug.rb. It is implemented by utilizing a new Ruby C API hook. The core component provides support that front-ends can build on. It provides breakpoint handling, bindings for stack frames among other things.

A tool to create class dependency graphs from test suites

Ruby 1.9 heap contents dumper

pocketknife is a devops tool for managing computers running chef-solo, powered by Opscode Chef. Using pocketknife, you create a project that describes the configuration of your computers and then deploy it to bring them to their intended state. With pocketknife, you don't need to setup or manage a specialized chef-server node or rely on an unreliable network connection to a distant hosted service whose security you don't control, deal with managing chef's security keys, or deal with manually synchronizing data with the chef-server datastore. With pocketknife, all of your cookbooks, roles and nodes are stored in easy-to-use files that you can edit, share, backup and version control with tools you already have.

ruby-debug is a fast implementation of the standard Ruby debugger debug.rb. It is implemented by utilizing a new Ruby C API hook. The core component provides support that front-ends can build on. It provides breakpoint handling, bindings for stack frames among other things.

Fear weak references to BasicObject no more

needy_debugger is a less needy (or more if needs be), fast implementation of the standard Ruby debugger debug.rb. It is implemented by utilizing a new Ruby C API hook. The core component provides support that front-ends can build on. It provides breakpoint handling, bindings for stack frames among other things.

Extended backtrace for ruby