link 5000Integrating Localhost 5000 with other tools and services. Localhost 5000 is a web server that can be used to host and test custom web applications. When developing web applications onTP-Link, Tapo, Kasa, Omada, VI, Aginet, HomeShield, and Tapo Care branded products are products of TP-Link Systems Inc. or its affiliates. Note: Some services and materials