For more information, please visit the following pages:

• SeaMonkey
• Mozilla Foundation
• Gecko

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (X11; Linux i686; rv:91.0) Gecko/20100101 Firefox/91.0 SeaMonkey/2.53.19 [ip:130.25.89.1]
• Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 SeaMonkey/2.53.16
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.6; rv:91.0) Gecko/20100101 SeaMonkey/2.53.16
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.6; rv:91.0) Gecko/20100101 Firefox/91.0 SeaMonkey/2.53.15
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.14 [ip:77.32.99.158]
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 SeaMonkey/2.53.10.2
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.14
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.13
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.13
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 SeaMonkey/2.53.13
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.13
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.13
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.13
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.13
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.13
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.12
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.12
• Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 SeaMonkey/2.53.2
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.12
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.12
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.12
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.12
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.12
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (X11; Linux i686 on x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (X11; OpenBSD amd64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 SeaMonkey/2.53.11.1
• Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11.1
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.11
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.1
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (X11; U; Linux x86_64; Fedora; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.6
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2 bb-mozilla-auto-config host:u4ou
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20211220 SeaMonkey/2.53.10.2
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.2
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.1
• Mozilla/5.0 (X11; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73 SeaMonkey/2.53.10
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.1
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.1
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7.8
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 SeaMonkey/2.53.10
• Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7 bb-mozilla-auto-config host:i28e
• Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 SeaMonkey/2.53.10
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10
• Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.10
• Mozilla/5.0 (X11; Linux i686; rv:94.0.1) Gecko/20100101 Firefox/94.0.1 SeaMonkey/2.53.9.1
• Mozilla/5.0 (Windows NT 6.1; rv:54.0) Gecko/20100101 Firefox/54.0 SeaMonkey/2.51a2
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (X11; OpenBSD i386; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.57
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 SeaMonkey/2.53.9.1
• Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9.1
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9
• Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9
• Mozilla/5.0 (Windows NT 6.3; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 SeaMonkey/2.53.8.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 SeaMonkey/2.53.8
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.9
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8.1
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8.1
• Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8.1
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8.1
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8
• Mozilla/5.0 (X11; OpenBSD amd64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8
• Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8
• Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.5.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.8
• Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7.1
• Mozilla/5.0 (Windows NT 6.3; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7.1
• Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7.1 Lightning/5.8.1
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7.1
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.7