Since there’s no widely known tool or service called “TopVasGitHub” at the moment, I’ll interpret this as:
There is no prominent "Topvas" developer profile currently trending or highly ranked for public contributions on major leaderboards. gayanvoice/top-github-users topvasgithub
Finding the tools on GitHub is step one. Step two is making them work together. A modern vulnerability assessment pipeline looks like this: Since there’s no widely known tool or service