OSSEC

Highly active community: Reviewers have found the highly active community around OSSEC to be a major benefit. Many users state that they were able to resolve any configuration issues quickly and easily with help from the community. This support has made users feel more confident in using the software.

Free and open source: The fact that OSSEC is free and open-source is a significant advantage for many reviewers. Some mention that it is cost-effective compared to other commercial products, while others appreciate that it allows for wider accessibility by those who may not be able to afford other options.

Multi-platform compatibility: A common sentiment among reviewers is how impressed they are with the ease of use of OSSEC on multiple platforms. Users find this feature amazing as it makes the software accessible to a wide range of people without having to worry about platform compatibility issues.