For more information, please visit the following pages:

• Opera
• Opera Software ASA
• Presto

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

• Opera/9.80 (Windows NT 6.1; U; Edition NCSD1; ru) Presto/2.10.229 Version/11.61
• Opera/11.61 (Windows NT 6.2; U; AN Presto/2.9.173 Version/11.00)
• Opera/11.61 (Windows NT 6.3; U; CE Presto/2.9.160 Version/11.00)
• Opera/11.61 (Windows NT 5.2; U; SC Presto/2.9.184 Version/10.00)
• Opera/11.61 (Windows NT 6.0; U; VI Presto/2.9.162 Version/11.00)
• Opera/11.61 (Windows NT 6.3; U; KU Presto/2.9.160 Version/10.00)
• Opera/11.61 (Windows NT 5.0; U; HY Presto/2.9.179 Version/11.00)
• Opera/11.61 (Windows NT 6.3; U; BR Presto/2.9.168 Version/11.00)
• Opera/11.61 (Windows NT 6.1; U; LT Presto/2.9.174 Version/10.00)
• Opera/11.61 (Windows NT 6.1; U; FO Presto/2.9.174 Version/10.00)
• Opera/11.61 (Windows NT 5.1; U; MY Presto/2.9.160 Version/10.00)
• Opera/11.61 (Windows NT 5.0; U; RM Presto/2.9.187 Version/12.00)
• Opera/11.61 (Windows NT 6.0; U; ZH Presto/2.9.188 Version/12.00)
• Opera/11.61 (Windows NT 6.0; U; RM Presto/2.9.160 Version/11.00)
• Opera/11.61 (Windows NT 5.1; U; OC Presto/2.9.187 Version/10.00)
• Opera/11.61 (Windows NT 6.0; U; RU Presto/2.9.172 Version/12.00)
• Opera/11.61 (Windows NT 6.3; U; CO Presto/2.9.175 Version/11.00)
• Opera/11.61 (Windows NT 6.2; U; RM Presto/2.9.186 Version/11.00)
• Opera/11.61 (Windows NT 6.2; U; FY Presto/2.9.185 Version/12.00)
• Opera/11.61 (Windows NT 5.1; U; MT Presto/2.9.162 Version/11.00)
• Opera/11.61 (X11; Linux i686; U; KW Presto/2.9.185 Version/11.00)
• Opera/11.61 (X11; Linux i686; U; CY Presto/2.9.161 Version/11.00)
• Opera/11.61 (Windows NT 6.2; U; IS Presto/2.9.169 Version/11.00)
• Opera/11.61 (Windows NT 6.1; U; CA Presto/2.9.161 Version/11.00)
• Opera/11.61 (Windows NT 6.0; U; MS Presto/2.9.168 Version/11.00)
• Opera/11.61 (Windows NT 6.2; U; CO Presto/2.9.167 Version/12.00)
• Opera/11.61 (Windows NT 5.1; U; EN Presto/2.9.160 Version/10.00)
• Opera/11.61 (Windows NT 5.0; U; GD Presto/2.9.189 Version/11.00)
• Opera/11.61 (Macintosh; Intel Mac OS X 10.10.0 U; AZ Presto/2.9.179 Version/11.00)
• Opera/9.80 (Windows NT 6.1; U; MRA 5.6 (build 03278); MRSPUTNIK OW 2, 2, 0, 94; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; Edition NCSD0; pl) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; Edition NCSD0; pl) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 6.0 (build 5972); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.0; U; MRA 6.0 (build 5711); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03639); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 8.4 (build 7784); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.2 (build 7188); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.0; U; MRA 6.0 (build 5972); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 6.1 (build 6628); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.0; U; ; MRSPUTNIK OW 2, 2, 0, 94; MRA 5.9 (build 4876); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.3 (build 7771); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.1 (build 6638); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (X11; Linux i686; U; en) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 5.10 (build 5230); en) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03658); MRSPUTNIK OW 2, 3, 0, 216; ru) Presto/2.10.229 Version/11.61
• Mozilla/5.0 (Windows NT 5.1; ru; rv:2.0) Gecko/20100101 Firefox/4.0 Opera 11.61
• Opera/9.80 (X11; Linux x86_64; U; Edition Linux Mint; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 6005); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.1 (build 6648); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03392); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (X11; Linux i686; U; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRSPUTNIK OW 2, 3, 0, 289; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRSPUTNIK OW 2, 3, 0, 238; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 5680); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 5.9 (build 4953); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 5.9 (build 4876); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 5.7 (build 03790); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; Edition Yx 01; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; BE8A0669-7B75-AE31-EA1B-35065B91C2B8; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 289; MRA 5.7 (build 03797); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 6068); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03649); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.5 (build 02842); MRSPUTNIK OW; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.10 (build 5161); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 5.9 (build 4848); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 5.5 (build 02842); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; Edition Indonesian Local; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; DefView; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; ; MRSPUTNIK OW 2, 3, 0, 288; MRA 5.7 (build 03790); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Macintosh; Intel Mac OS X 10.7.5; U; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Macintosh; Intel Mac OS X 10.7.5; U; Edition MacAppStore; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Macintosh; Intel Mac OS X 10.7.3; U; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.2; U; MRA 8.1 (build 6341); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 5.9 (build 4947); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 8.1 (build 6347); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 8.0 (build 5989); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.3 (build 8050); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 6089); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 6089); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 5667); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.0; U; IBM EVV/3.0/EAK01AG9/LE; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 6015); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 6001); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Macintosh; Intel Mac OS X 10.7.3; U; Edition MacAppStore; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (X11; Linux x86_64; U; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 6060); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03790); en) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 5.4 (build 02647); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; MRA 5.10 (build 5161); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 6.0 (build 6015); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.1; U; IBM EVV/3.0/EAK01AG9/LE; MRA 6.0 (build 5704); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 6.0; U; MRA 5.10 (build 5231); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 5711); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.8 (build 4661); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.5 (build 02842); MRSPUTNIK OW 2, 3, 0, 228; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; MRA 5.3 (build 02564); ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; Edition Freesoft; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; DC8022E4-2947-DA91-9864-0B879A257039; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; 799A9965-5DD1-92A1-4190-B7021FBF644C; ru) Presto/2.10.229 Version/11.61
• Opera/9.80 (Windows NT 5.1; U; 15804275-958D-3BF1-1171-3E97A2D2C947; ru) Presto/2.10.229 Version/11.61