From the GIthub README:
Cosmos is the most secure and easy way to self-host a Home Server. It acts as a secure gateway to your application, as well as a server manager. It aims to solve the increasingly worrying problem of vulnerable self-hosted applications and personal servers.
Install
Via Docker, so you need to have a system where Docker is already installed.
Comparison with others
The Github README has this image of a comparison graph:
Notes mentioning this note
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