Linux audit userspace repository
A reliable, high-performance, thread safe, flexsible, clear-model, pure C logging library.
Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows
syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, queueing, SQL & NoSQL.
High-performance log ingestion and ETL engine