プレゼントを提供するためのウェブアプリケーション

This gem provide `finalize_block` method.

to keep namespace

iseq_collector gem

kv: A page viewer written in Ruby

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

Analyze your Ruby scripts with prism

vim clone on Ruby with agentic coding

safepoint-based sampling performance profiler for Ruby

SimplePaste web application

Sync modified files using pscp on Windows.

Ractor::LVar

Pretty your exception backtrace.

MaNy project examples

Show Ruby script with execution results.

Build Ruby from source code.

Inline expression tracing for Ruby

IRB where every keystroke, result and exception gets a show

MmappedString

mysql2_recorder

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

namespace for debug.gem (rdbg command)

lumitrace_sample_project

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

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

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

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