Selfie for Programmers Based on Git. This project automatically takes a photo with the webcam each time a code is committed using git, marking the commit ID on the photo. This not only records life but also allows you to quickly identify the author of the code.

Open Source Online Code Execution System. This project is an online code execution system developed with Ruby. It is easy to install and powerful, supporting over 60 programming languages. It allows setting execution time and memory limits and provides detailed execution results, including compilation errors, runtime errors, and output results. It can be used to build platforms for competitive programming, online code editing, and interviews.

Open-Source Online Document Signing Platform. This is an online document signing platform written in Ruby that is out-of-the-box, easy to use, mobile-friendly, supporting the creation of PDF forms by dragging and dropping, online filling and signing, automatic email sending, user management, and more.

A Website Teaching You How to Grow Crops. This is a knowledge base about crop cultivation, where you can find steps on how to grow plants like tomatoes, potatoes, strawberries, etc., and all of this is free of charge.

Ruby 写的命令行数据可视化工具。该项目能够在终端里将数据转化成彩色的图表，支持条形图、直方图、箱型图等类型的图表。

GitHub 官方开源的识别项目编程语言的库。该项目是 GitHub.com 网站上，用于检测开源项目编程语言占比的库。

# 安装
gem install github-linguist
# 在项目根目录下执行命令
github-linguist
# 结果
66.84%  264519     Ruby
24.68%  97685      C
6.57%   25999      Go
1.29%   5098       Lex
0.32%   1257       Shell
0.31%   1212       Dockerfile

一款 WordPress 安全扫描工具。该项目可用于发现 WordPress 构建的网站存在的安全隐患，扫描项包括 WordPress 漏洞、已安装的插件和主题、弱密码等。

基于 Git 的轻量级 wiki 系统。后端采用 Ruby 编写，然后 Git 作为文件存储的 wiki 系统。功能够用部署简单，但界面比较“简朴”。

开源的简约电商平台。基于 Ruby on Rails 构建的电商平台，界面清爽代码完全开源。在线尝试

lobste.rs 网站的源码。采用 Rails 开发的网站，类似 Hacker News 以分享链接和讨论为核心。可用来二次开发类似的网站