Modern log management systems?

Question

linux

What are the systems for collecting (over the network) and managing logs with WEB GUI?
Custom logs for your service. It is possible to bring to any kind
It is desirable free/opensource for Unix. A bike with medium-square wheels will also work. I would like to see the latest data in raw form, search by filter. For example, extract all logs by uuid of the operation.
Ideally, an analogue of splunk without a limit of 500 MB

Answer 1

ELK, Graylog?

Answer 2

splunk