# GitHub repos by opto [Home](https://repo.masters-masters.com/en) › [opto](https://repo.masters-masters.com/en/owners/opto) The public GitHub repo by opto in RepoMasters, the trading card game of open source: stars, language, tier and card. ## GitHub repos by opto 1 public repo by opto in the catalog, most starred first. - [opto/nostalgy-xpi · ★ 133 · JavaScript · Prototype](https://repo.masters-masters.com/en/repos/opto/nostalgy-xpi) ## See opto on GitHub - [https://github.com/opto](https://github.com/opto) --- Data: GitHub