Build Ruby from source code.

iseq_collector gem

lumitrace_sample_project

to keep namespace

safepoint-based sampling performance profiler for Ruby

SimplePaste web application

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

kv: A page viewer written in Ruby

MmappedString

Pretty your exception backtrace.

Ractor::LVar

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

vim clone on Ruby with agentic coding

Analyze your Ruby scripts with prism

This gem provide `finalize_block` method.

Sync modified files using pscp on Windows.

Inline expression tracing for Ruby

MaNy project examples

mysql2_recorder

プレゼントを提供するためのウェブアプリケーション

namespace for debug.gem (rdbg command)

Show Ruby script with execution results.