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 (Windows NT 6.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 [ip:142.198.101.103]
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1 [ip:37.103.39.154]
• Mozilla/5.0 (Windows NT 6.3; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4,gzip(gfe)
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.2
• Mozilla/5.0 (Windows NT 6.3; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 SeaMonkey/2.49.4
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 5.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 5.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 6.2; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 10.0; rv:52.0) Gecko/20100101 SeaMonkey/2.49.2
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 5.2; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 10.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.2; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (X11; Linux i686 on x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4 Lightning/5.4
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 10.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.2; rv:74.0) Gecko/20100101 Firefox/74.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 5.2; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4 Lightning/5.4
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 6.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 10.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.2; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.2; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.2; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 SeaMonkey/2.49.5
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5
• Mozilla/5.0 (Windows NT 6.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 SeaMonkey/2.49.4
• Mozilla/5.0 (X11; Linux i686 on x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 10.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 10.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (Windows NT 5.2; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3 Lightning/5.4
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.2
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1 Lightning/5.4
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.2
• Mozilla/5.0 (X11; OpenBSD amd64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 5.2; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.2
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.2
• Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 SeaMonkey/2.49.2
• Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.2 Lightning/5.4
• Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3