Tiny assembly-written OS that boots from a single 1.44 MB floppy in seconds. Ships a real graphical web browser (WebView) with TCP/IP networking.
Microsoft Windows 2000 Professional resumed from a saved state, with the real Internet Explorer 5 / Trident engine. Also bundles K-Meleon (Gecko), Lynx and Retrozilla. Networked through Wisp.
The OS that put a Start button on the world. Windows 95 resumed from a saved state, running Internet Explorer (Trident). A genuine 1990s browsing experience entirely in your tab.
Windows 98 resumed from a saved state with Internet Explorer. A widely-used browser of its era running entirely in your tab.
Windows Millennium Edition resumed from a saved state, with Internet Explorer.
Haiku is a modern reimagining of BeOS. Its native browser, WebPositive, is built on WebKit, so it renders the modern web. Also includes the Links browser. Resumed from a saved state.
ReactOS is an open-source OS binary-compatible with Windows. Boots from a saved state to a familiar desktop. Networked through Wisp.
SerenityOS ships Ladybird, a from-scratch independent browser engine (LibWeb/LibJS). Resumed from a saved state.
9front is an actively-developed fork of Plan 9 from Bell Labs, the research OS that grew out of Unix. It ships the native Mothra web browser (and a port of NetSurf), resumed here from a saved state. A genuinely unusual engine running in your tab.
Redox is a modern, Unix-like operating system written from scratch in Rust around a microkernel, with its own Orbital GUI desktop. Its demo image ships the NetSurf web browser. Resumed here from a saved state and auto-logged-in to the Orbital desktop.
The legendary QNX 'demo disk': a complete POSIX real-time OS with the Photon microGUI desktop, the Voyager web browser, and a full TCP/IP stack — all on a single 1.44 MB floppy. One of the most famous tech demos ever, running in your tab.
SliTaz is a tiny (under 60 MB) but complete GNU/Linux distribution that boots a full graphical desktop from a live CD. It ships Midori, a WebKitGTK browser (plus SliTaz's own WebKit-based TazWeb). DHCP networking over Wisp comes up automatically.
Android-x86 4.4 'KitKat' running the stock AOSP Browser, a WebKit-based engine. Android is one of the most widely used platforms in the world; here it runs entirely in your tab. Networked through Wisp.
BeOS is a legendary multimedia OS from Be Inc. Its native browser, NetPositive, was famous for its haiku-form error messages. Boots the Personal Edition desktop and streams the disk on demand. Networked through Wisp.
A 50 MB Linux live CD that bundles the Dillo and Firefox browsers. Boots into X11 from CD-ROM.