TL:DR; PdfCryter allows subsequent encryption and protection of PDF-Documents.
PdfCryter allows subsequent encryption and protection of PDF-Documents. Profile and password management systems ease recurrent tasks.
Free packet sniffer (network analyzer or network sniffer) for network monitoring and troubleshooting. It allows you to monitor network operations, isolate&solve network problems, identify network bottleneck&bandwidth use, and replay packets.
My Endpoint Protector provides device control and data loss prevention to everyone who want to centrally manage and control the use of USB, FireWire and other ports and portable storage device use. It works for PC and Mac OS X. Free for personal use.
Abelssoft ToolbarTerminator removes annoying toolbars and other hidden crap software from your web browser - even those that are hard to find for experts.