OpenNetAdmin is described as 'Provides a database managed inventory of your IP network. Each subnet, host, and IP can be tracked via a centralized AJAX enabled web interface that can help reduce tracking errors. A full CLI interface is available as well to use for scripting and bulk work' and is an app in the network & admin category. There are more than 10 alternatives to OpenNetAdmin for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and Web-based apps. The best OpenNetAdmin alternative is NetBox, which is both free and Open Source. Other great apps like OpenNetAdmin are Ralph, RackTables, phpIPAM and Simple IP Config.