Founded in 1994, Appian Graphics was one of the leading suppliers of multi-monitor graphics accelerators.

The company was famous for its Jeronimo and Gemini product lines, and for the HydraVision display management software.
The main competitor for Appian on the multi-monitor solutions market was STB Systems.

The whole HydraVision team (and thus, generally speaking, the company as it was) was acquired in July 2001 by ATi Technologies

ATI Technologies

ATI Technologies Inc. was a semiconductor technology corporation based in Markham, Ontario, Canada, that specialized in the development of graphics processing units and chipsets. Founded in 1985 as Array Technologies Inc., the company was listed publicly in 1993 and was acquired by Advanced Micro...

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Appian graphics adapters

• Appian J Pro / Appian Jeronimo Pro
  • Quad Head PCI adapter
  • 16 or 32MB (4 or 8MB/head)
  • 3Dlabs
    3Dlabs
    3DLABS was the name of the fabless semiconductor company that originally developed the GLINT and PERMEDIA high-end graphics chip technology that was used on many of the worlds leading computer graphics cards in the CAD and DCC markets, including its own Wildcat and Oxygen cards.In 2006 the company...
    
     Permedia 2 VPU chipset
• Appian Gemini
  • Dual Head AGP 2X adapter
  • 16MB SGRAM
  • S3
    S3 Graphics
    S3 Graphics, Ltd is an American company specializing in graphics chipsets. Although they do not have the large market share that they once had, they still produce graphics accelerators for home computers under the "S3 Chrome" brand name.-History:...
    
    Savage MX chipset based