Molby is a software for building molecular models on the graphic screen. It works on Mac OS X and Windows. It can import and export files for other computational chemistry softwares such as GAMESS and Gaussian. It can also edit molecules by Ruby scripts.
This project is moved to GitHub. Updates are only available on GitHub.
GitHub Project Page: https://github.com/toshinagata/Molby
Molby Homepage: https://toshinagata.github.io/Molby/en/