fluent / fluent-bit

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

HardySimpson / zlog

A reliable, high-performance, thread safe, flexsible, clear-model, pure C logging library.

syslog-ng / syslog-ng

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

rsyslog / rsyslog

High-performance log ingestion and ETL engine

linux-audit / audit-userspace

Linux audit userspace repository