Three single-file HTML tools replace IT spreadsheets for racks, IPs and inventory

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A developer built three IT documentation tools to replace the spreadsheets small teams typically use for server racks, IP addresses and equipment inventory. Each tool is a single index.html file that runs in any browser without a server, database or account. The rack tool maps devices and ports with cable details, the IP tool tracks address states, VLANs and subnets, and the inventory tool flags expiring warranties and support contracts. Data is stored in a user-controlled JSON file that can sit on a network share, and the tools are open source under AGPL-3.0 with English and Spanish support.

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