abylon READER Free application that can decrypt and unpack SME files, create self-signed certs with quick access via the Windows Explorer shell.
XCA Allows for the management, creation of X.509 certificates as well as RSA, DSA and EC private keys with import and export functions.
Epic Privacy Browser Excellent privacy-focused Chromium-based web browser which includes a free web proxy in multiple regions, anti-tracking tools and permanent incognito private browsing mode.