So this morning I was adding some new features to WordPress Monthly and I needed a bunch of user agents to abuse a certain article directory.

After digging I found a list of thousands:

Opera/7.54u1 (Windows 98; U) [de]
Opera/7.54u1 (Windows 98; U) [en]
Opera/7.54u1 (Windows ME; U) [en]
Opera/7.54u1 (Windows NT 4.0; U) [en]
Opera/7.54u1 (Windows NT 4.0; U) [en] WebWasher 2.2.1
Opera/7.54u1 (Windows NT 5.0; U) [de]
Opera/7.54u1 (Windows NT 5.0; U) [en]
Opera/7.54u1 (Windows NT 5.0; U) [ja]
Opera/7.54u1 (Windows NT 5.1; U) [de]
Opera/7.54u1 (Windows NT 5.1; U) [en]
Opera/7.54u1 (Windows NT 5.1; U) [hu]
Opera/7.54u1 (Windows NT 5.1; U) [ja]
Opera/7.54u1 (Windows NT 5.1; U) [pl]
Opera/7.54u1 (Windows NT 5.2; U) [en]
Opera/7.60 (Windows 98; U; pl)
Opera/7.60 (Windows NT 5.0; U; en)
Opera/7.60 (Windows NT 5.0; U; ja)
Opera/7.60 (Windows NT 5.0; U; pl)
Opera/7.60 (Windows NT 5.1; U) [de] (IBM EVV/3.0/EAK01AG9/LE)
Opera/7.60 (Windows NT 5.1; U) [en] (IBM EVV/3.0/EAK01AG9/LE)
Opera/7.60 (Windows NT 5.1; U) [pl]
Opera/7.60 (Windows NT 5.1; U) [pl] (IBM EVV/3.0/EAK01AG9/LE)
Opera/7.60 (Windows NT 5.1; U; de)
Opera/7.60 (Windows NT 5.1; U; en)
Opera/7.60 (Windows NT 5.2; U) [en] (IBM EVV/3.0/EAK01AG9/LE)
Opera/7.60 (Windows NT 5.2; U) [en] (IBM EVV/3.0/EAK01AG9/LE)
Opera/7.60 (Windows NT 5.2; U; en)
Opera/7.60 (X11; Linux i686; U) [en]
Opera/7.60 (X11; Linux i686; U; en)
Opera/7.60 preview 4 (Mac OS X 10.3)

Here you go:  List of user agents

It’s a helpful list.