Here's a popular Github project which covers a lot of the categories and tools for sysadmins https://github.com/kahun/awesome-sysadmin https://github.com/kahun/

Here's a popular Github project which covers a lot of the categories and tools for sysadmins https://github.com/kahun/awesome-sysadmin https://github.com/kahun/awesome-sysadmin. Hope it helps.