While not called a "Grid Plugin" directly, Selenium Grid relies on browser-specific drivers (like ChromeDriver or GeckoDriver). Sometimes users looking for "plugins" are actually looking for how to configure these drivers in a Grid hub config file to support specific browser versions or capabilities.
We demonstrate feasibility through a selenium-grid-monitoring-plugin . selenium grid plugin
If you are looking to scale your infrastructure, these are the most popular and powerful tools currently used by leading QA teams : While not called a "Grid Plugin" directly, Selenium