Top 7 log-management open source projects

syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, queueing, SQL & NoSQL.

Free and open source log management

Security Onion 16.04 - Linux distro for threat hunting, enterprise security monitoring, and log management

DTail is a distributed DevOps tool for tailing, grepping, catting logs and other text files on many remote machines at once.

Very basic CLI SIEM (Security Information and Event Management system).

Sematext Logs Client Library for Android

Open Source SIEM (Security Information and Event Management system).