Spider Systems
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Spider Systems Ltd. was a computer network products company, based in Edinburgh, Scotland. It was founded in 1983 by several former employees of ICL who had previously worked at ICL's Scottish Development Centre at Dalkeith Palace until its closure the previous year.
Spider Systems produced a wide range of products, including terminal servers, routers, network bridges, network analysers and network protocol software stacks for various operating systems, including the TCP/IP stack used in Microsoft Windows NT 3.1.[1]
The company was acquired by Shiva Corporation in 1995,[2] becoming Shiva Europe Ltd. The Spider name was revived the following year when the network software business was bought back from Shiva by one of the founders and renamed Spider Software Ltd..[3] This company was later sold to Artesyn Inc. (now part of Emerson Electric Company) in 2000.
Shiva were themselves acquired by Intel in 1998,[4] and Shiva Europe Ltd was liquidated the following year.

