[4] The Linux version of Arachne utilizes SVGALib, allowing it to function without requiring a display server.

[5] Arachne supports multiple image formats including JPEG, PNG, BMP and animated GIF.

Arachne can be expanded with the use of add-ons for such tasks as watching DivX movies, playing MP3 files, IRC chat, RSS and viewing PDF documents.

Known support as of version 1.93:[6] xChaos software licensed the source code of Arachne to Caldera UK in 1997.

Caldera UK added Novell's dialer and TCP/IP stack, JavaScript, SSL, implemented their own support for frames, added support for animated GIFs, audio output, printing on a multitude of printers, an optional on-screen keyboard for mouse and touch panel usage (SoftKeyboards), user profiles, and they completely changed the design of the browser (customizable), using Allegro for graphics.