Sim2Editor is a work in progress The Sims 2 Game Boy Advance and Nintendo DS Save Editor for your web browser.
You can find the page here.
To test the site locally install Jekyll by running:
gem install --user-install bundler jekyll
Then run
bundle install
Then you can run the site by running:
bundle exec jekyll serve
Just look at https://sim2team.github.io/Sim2Editor/about.