GoAccess

GoAccess is an open-source log analysis tool designed for system administrators and security teams who need to quickly examine web server activity. It operates as a command-line utility on Unix-like systems and can also generate browser-viewable dashboards, making it suitable for both rapid SSH-based investigations and detailed monitoring workflows. The tool processes logs from Apache, Nginx, AWS services, and other major web servers with minimal dependencies, delivering statistics through multiple output formats including interactive terminal interfaces, HTML reports, JSON, and CSV. It emphasizes speed and real-time updates written in C, supports custom color schemes, and is distributed under the MIT license at no cost.