What are some alternatives?
When comparing SpaceSniffer and MAMP, you can also consider the following products
WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Baobab - Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows