iFileX is not meant to be a substitute for Spotlight but it can search as 'root' and find more files including hidden files, packages content, bundles content,.. You can search after file size,creation and or modification dates, is Folder, is Alias and file name. This way it is easy to find more related files of applications you try to remove from your system.

Features:

• Find files that Spotlight doesn't: Including root files, files inside packages, bundles, hidden files, ...
• Filter results: Easy show or hide packages content, hidden files and/or folders.
• Advanced boolean operators: Search after names, file sizes, creation and or modification dates, Folders, Alias, ..
• No indexing: iFileX does not saves index files and does not depent on Spotlight.
• Very fast searching: Fast searching on HFS formated volumes.
• OS X 10.7 Lion ready: Enabled 'Put Back' feature, full-screen support and Quicklook
• Sparkle: Keep your version up-to-date.

Requirements:
OS X 10.6+
Intel