Updated at: Mar 19, 2026
This is the list of web browsers that we don't yet know which rendering engine is in use. In some cases the makers of a web browser don't really announce which engine their browser uses; these are browsers that we haven't confirmed which engine they use. If you have any information about these browsers, please let us know.
| Browser Name | Rendering Engine | Year started | Device Type | Operating Systems | Status |
|---|---|---|---|---|---|
| Argus Browser | Unknown | 2026 | Desktop | macOS | |
| ArtisBrowser | Unknown | 2011 | Desktop & Mobile | Android, iOS, macOS, Windows | |
| Bunjalloo | Unknown | 2008 | Game Console | Game Console | Active |
| Cake Browser | Unknown | 2017 | Mobile | Android, iOS | Discontinued |
| Chameleon Browser | Unknown | Unknown | Desktop | Windows | Discontinued |
| EGBrowser | Unknown | Unknown | Game Console | Game Console | Discontinued |
| Fellou | Unknown | 2024 | Desktop | macOS, Windows | Active |
| Freedom | Unknown | Unknown | Desktop & Mobile | Android, iOS, macOS, Windows | |
| Gener8 Browser | Unknown | 2021 | Desktop & Mobile | Android, iOS, macOS, Windows | |
| Genspark AI Browser | Unknown | 2023 | Desktop | macOS, Windows | |
| Ghost Browser | Unknown | Unknown | Desktop | Linux, macOS, Windows | |
| Ghostery Browser | Unknown | 2023 | Desktop | Windows | Discontinued |
| Guardian Browser | Unknown | Unknown | Desktop | macOS, Windows | |
| Horse Browser | Unknown | 2022 | Desktop | Linux, macOS, Windows | Active |
| HotJava | Unknown | 1997 | Desktop | Linux, Windows, Mac OS Classic | |
| Huawei Browser | Unknown | Unknown | Desktop | Windows | Active |
| InBrowser | Unknown | Unknown | Mobile | Android, iOS | |
| Kazehakase | Unknown | 2003 | Desktop | Unix-like | Discontinued |
| Kingpin Browser | Unknown | 2019 | Desktop | macOS, Windows | Discontinued |
| Linken Sphere | Unknown | 2017 | Desktop | macOS, Windows | |
| LT Browser | Unknown | 2020 | Desktop | Linux, macOS, Windows | |
|
MacWWW
Also known as Samba
|
Unknown | 1992 | Desktop | Mac OS Classic | Discontinued |
| Mercury | Unknown | 2012 | Mobile | Android, iOS | Discontinued |
| Naked Browser Pro | Unknown | 2012 | Mobile | Android | Abandoned |
| NetCruiser | Unknown | 1995 | Desktop | Windows | Discontinued |
| NetFront | Unknown | 1995 | Mobile | Misc Mobile OS | |
| Nintendo 3DS Browser | Unknown | 2011 | Game Console | Game Console | Discontinued |
| Nintendo Wii U Browser | Unknown | 2012 | Game Console | Game Console | Discontinued |
| Norton Neo | Unknown | 2025 | Desktop | macOS, Windows | Active |
| Origyn | Unknown | Unknown | Desktop | Amiga OS, Misc Desktop OS | Discontinued |
|
Orions Browser
Formerly Monument Browser
|
Unknown | Unknown | Desktop | Windows | Discontinued |
| Ortix | Unknown | 2025 | Desktop | macOS | Active |
| Osiris Browser | Unknown | Unknown | Desktop | Windows | Discontinued |
| Phoenix | Unknown | 1993 | Desktop | Linux, Windows, MS-DOS | Discontinued |
| PlayStation Portable | Unknown | 2004 | Game Console | Game Console | Discontinued |
| PlayStation Vita Browser | Unknown | Unknown | Game Console | Game Console | |
| Polarity | Unknown | 2011 | Desktop & Mobile | Android, Windows | Abandoned |
| Power Browser | Unknown | Unknown | Desktop & Mobile | Android, macOS, Windows | Active |
| Privacy Browser | Unknown | Unknown | Desktop & Mobile | Android, Linux | Idle |
| Puma Browser | Unknown | Unknown | Mobile | Android, iOS | |
| Shift Browser | Unknown | Unknown | Desktop | macOS, Windows | |
| Shiira | Unknown | 2004 | Desktop | macOS | Discontinued |
| Sidekick | Unknown | 2020 | Desktop | Linux, macOS, Windows | Discontinued |
| sielo | Unknown | 2016 | Desktop | Linux, macOS, Windows | |
| Skweezer | Unknown | 2003 | Mobile | Misc Mobile OS | Discontinued |
| SlashB | Unknown | 2020 | Desktop | Linux, macOS, Windows | Discontinued |
| Sogou Explorer | Unknown | Unknown | Desktop | Windows | |
| Timberwolf | Unknown | 2010 | Desktop | Amiga OS | Discontinued |
| Tiny Browser | Unknown | Unknown | Mobile | Android | |
| Torch | Unknown | 2012 | Desktop | macOS, Windows | Discontinued |
| Torch Browser | Unknown | 2019 | Desktop | macOS, Windows | Discontinued |
| Twinkstar Browser | Unknown | Unknown | Desktop & Mobile | Android, macOS, Windows | |
| UC Browser | Unknown | Unknown | Desktop & Mobile | Android, iOS, Windows, Symbian | |
| Undetectable | Unknown | Unknown | Desktop | macOS, Windows | |
| Via | Unknown | 2015 | Mobile | Android, iOS | Active |
| Viasat | Unknown | 2019 | Desktop & Mobile | Android, iOS, macOS, Windows | Abandoned |
| Vimb | Unknown | 2012 | Desktop | Linux | |
| ViolaWWW | Unknown | 1992 | Desktop | Unix-like | |
|
Vision Mobile Browser
Formerly nWeb
|
Unknown | 2002 | Mobile | Misc Mobile OS | |
| visurf | Unknown | Unknown | Desktop | BSD, Linux | |
| WebBuddy | Unknown | 2019 | Mobile | iOS | Idle |
| Webian | Unknown | 2011 | Desktop | Linux | Discontinued |
| XDP Dreams | Unknown | Unknown | Game Console | Game Console | |
| Y8 | Unknown | Unknown | Desktop | Linux, macOS, Windows |