Finding Alternatives to Builtwith for Lead Generation

Is anyone aware of a Builtwith alternative for finding companies that use specific backend technology? I’m looking to build a Clay table of prospects who use a specific backend technology (Grafana, a data visualization product). Builtwith doesn't seem to have this company, or other backend tech. Any ideas on how I can generate these types of leads with Clay? And if Clay doesn't have this available, what are some tools that can help me generate these leads so I can import them into Clay to enrich them?