When comparing Loggly vs Syslog-ng, the Slant community recommends Loggly for most people. In the question“What are the best log aggregation & monitoring tools?” Loggly is ranked 6th while Syslog-ng is ranked 7th. The most important reason people chose Loggly is:
Ranked in these QuestionsQuestion Ranking
Pro Easy to set up
You only have to set up a HTTP JSON input and there are community examples to guide you.
Pro Supports raw text, syslogs, and JSON
Raw text, syslogs, and JSON can be fed to Loggly.
Pro Free and open source
Syslog-ng is free and open source.
Con Difficult to setup
Setup is not easy, the whole process is disjointed, with open source libraries that regularly change and out of date installation instructions.
Loggly QUICKLY overflows the 200mb daily free allowance.
Con The UI is confusing
The UI is very difficult to use, but it does offer a lot of features.
Con Timestamps are in UTC in the UI, and can't be converted
Loggly shows all timestamps in UTC, and the bookmarklet that's supposed to convert them to local time doesn't work.
Con No advanced filtering out of the box
Sylog-ng does not have any advanced filtering out of the box.