namespace for debug.gem (rdbg command)

lumitrace_sample_project

mysql2_recorder

MmappedString

Pure-Ruby DOOM, AOT-compiled to wasm by ASTro / koruby_precise, playable in the browser

to keep namespace

Build Ruby from source code.

vim clone on Ruby with agentic coding

safepoint-based sampling performance profiler for Ruby

kv: A page viewer written in Ruby

Analyze your Ruby scripts with prism

Dump compiled iseq by binary (kakidasu) and load binary (yomidasu)

Sync modified files using pscp on Windows.

GitHub Action for lumitrace: trace a PR's changed lines during tests and post the results as a Check Run.

An experimental language based on Ruby, but with types for each operation

This gem provide `finalize_block` method.

IRB where every keystroke, result and exception gets a show

Inline expression tracing for Ruby

iseq_collector gem

Show Ruby script with execution results.

Ractor::LVar

MaNy project examples

SimplePaste web application

プレゼントを提供するためのウェブアプリケーション

Two Puma-derived Rack servers exercising Ruby's newest concurrency features: the M:N scheduler (PuMaNy) and Ractors (Punicorn).

Launch [debugger](https://github.com/ruby/debug) if spec is failed.

Pretty your exception backtrace.