GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser. Developed by prosoftcorp.com
License: Open Source
Smartlook is primarily focused on user experience analytics with features like session replay and heatmaps, making it ideal for understanding user behavior. In contrast, GoAccess is a real-time web log analyzer, offering powerful data visualization and analysis for web traffic, making it more suitable for server log analysis.