- Burp – Web spider and HTTP Proxy. Payment version includes Scanner and Exploiting services.
- JXplorer – LDAP Explorer
- ZAP – Zed Attack Proxy – To find vulnerabilities on web applications
- Acunetix – Not free. Online scanner and web scanner
- JPEG Snoop – extract EXIF information and possible editors used in the image
- Rohos – encrypt USB drives and applications