| User agent | Platforms | Hardware |
|---|---|---|
| Mozilla/5.0 (X11; Linux) NetSurf/3.12 | GNU/Linux | desktop |
| NetSurf/3.10 (Redox) | ||
| Mozilla/5.0 (Plan9) NetSurf/3.12 | ||
| Mozilla/5.0 (Haiku) NetSurf/3.11 | Haiku OS | desktop |
| Mozilla/5.0 (RISC OS) NetSurf/3.12 | RISC OS | |
| Mozilla/5.0 (OpenBSD) NetSurf/3.11 | OpenBSD | desktop |
| Mozilla/5.0 (FreeBSD) NetSurf/3.11 | FreeBSD | desktop |
| Mozilla/5.0 (Linux) NetSurf/3.11 | GNU/Linux | desktop |
| Mozilla/5.0 (X11; OpenBSD amd64) NetSurf/3.11 | OpenBSD | desktop |
| Mozilla/5.0 (X11; Linux) NetSurf/3.11 | GNU/Linux | desktop |