When comparing Raygun vs Rsyslog, the Slant community recommends Rsyslog for most people. In the question“What are the best log management, aggregation & monitoring tools?” Rsyslog is ranked 9th while Raygun is ranked 18th. The most important reason people chose Rsyslog is:
Rsyslog is a free and open source tool.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Allows leaving comments on issues
It's possible to comment on issues. Great for coordinating if and how exceptions should be handled within a team.
Pro Exceptions are grouped
Raygun groups similar exceptions together displaying the number of occurences so that there's no need to deal with each instance of the error separately.
Pro Daily digest emails
Raygun can send a summary of all error that have happened over the day.
Pro Email notifications
Raygun can be set up to send email notifications as soon as exceptions occur.
Pro Free and Open Source
Rsyslog is a free and open source tool.
Cons
Con Inefficient UI
Con Difficult to configure
The config is not user friendly at all compared to syslog-ng
Con Not spread to many platforms
Rsyslog is only available for Linux and Solaris.