A look at free Windows POP3 mail clients

I am in the process of looking for a free (beer) Windows POP3 mail client. Poking around, here is what I found:

• Mozilla Thunderbird
• Eudora, but the Wikipedia claims Eudora is moving to using Thunderbird
• Pegasus Mail has been around for a while; no source code
• Opera includes an email client
• There is a fork of Firefox called “Seamonkey” that includes a POP3 email client
• gpg4win is a port of the Linux Balsa email client for Windows (also includes GPG for signing and encrypting email)
• Mulberry is another email client
• For people who want the old-school UNIX feel, there is Pine which is now called “Alpine” and, yes, there is a full Windows port