---
title: Playing with Spinel
tags: 
author: [Saeki Mototsune](https://docswell.com/user/daily_mototsune)
site: [Docswell](https://www.docswell.com/)
thumbnail: https://bcdn.docswell.com/page/Y79PDXR4E3.jpg?width=480
description: 15年以上の経験を持つRubyエンジニアが、初めてケニアで開催されたRuby Conf Africa 2026でSpinelの概要を発表しています。SpinelはRubyのソースコードをネイティブ実行ファイルにコンパイルし、CRubyがCで実装されたVMでスクリプトを実行する方式と比較しています。日本で注目されているSpinelの特徴や実際のデモ、関連リポジトリへのリンクも紹介しています。
published: September 01, 26
canonical: https://docswell.com/s/daily_mototsune/ZN7QGW-2026-09-01-201803
---
# Page. 1

![Page Image](https://bcdn.docswell.com/page/Y79PDXR4E3.jpg)

Playing with Spinel
@Ruby Conf Africa 2026


# Page. 2

![Page Image](https://bcdn.docswell.com/page/G78D32WV7D.jpg)

Saeki Mototsune
@daily_mototsune
I've been a Rubyist for over 15 years, based in Tokyo, Japan.
I genuinely enjoy thinking about software architecture—probably
more than I should.
🍷♨✈🏎


# Page. 3

![Page Image](https://bcdn.docswell.com/page/L7LMV2NRJR.jpg)

This is my first time in Kenya󰏧


# Page. 4

![Page Image](https://bcdn.docswell.com/page/4EMYG8XPEW.jpg)

An old horse knows the way.
Old people (experienced people) have many years of
intuition and knowledge, so there are few mistakes in their
actions and judgments.


# Page. 5

![Page Image](https://bcdn.docswell.com/page/PER9Z5NYJ9.jpg)



# Page. 6

![Page Image](https://bcdn.docswell.com/page/P7XQ9KN4EX.jpg)



# Page. 7

![Page Image](https://bcdn.docswell.com/page/37K9P5NP7D.jpg)

Spinel is trending
in Japan.


# Page. 8

![Page Image](https://bcdn.docswell.com/page/LJ3WXKV4J5.jpg)

https://github.com/matz/spinel


# Page. 9

![Page Image](https://bcdn.docswell.com/page/8JDK2385EG.jpg)

Compiles Ruby source code into
standalone native executables.


# Page. 10

![Page Image](https://bcdn.docswell.com/page/VEPK148D78.jpg)

CRuby vs Spinel
CRuby
Spinel
-
-
-
RubyVM, written in C, executes
Ruby scripts.
Ruby scripts can run
wherever RubyVM runs.
-
Spinel compiles Ruby code into
a native executable.
It should be able to target
various environments.


# Page. 11

![Page Image](https://bcdn.docswell.com/page/27VVYXNG7Q.jpg)

How
it
works


# Page. 12

![Page Image](https://bcdn.docswell.com/page/5JGL9V5D7L.jpg)

We can learn a lot from this.


# Page. 13

![Page Image](https://bcdn.docswell.com/page/47QYW6ZXEP.jpg)

Here you are.
https://spinel-scope.mototsune.dev


# Page. 14

![Page Image](https://bcdn.docswell.com/page/KE4WK432J1.jpg)



# Page. 15

![Page Image](https://bcdn.docswell.com/page/L71YX41KJG.jpg)

Thank you!
You can have a
source code
here.
https://github.com/saeki-mototsune/spinel-scope