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

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