Windows 98 is a platform developed by Microsoft Corporation. Among other things, on this platform are running browsers and offline browsers. See below the software that is supported by Windows 98.

By the way, maybe you are looking for Windows 98 user agents?

Browsers:

• Crazy Browser
• Firebird
• Firefox
• IE
• K-Meleon
• K-Ninja
• Maxthon
• Mozilla
• MultiZilla
• Navigator
• Netscape
• Opera
• Phoenix
• SeaMonkey

Offline Browsers:

• HTTrack