SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.

TinyNPS - Simple NPS feedback

Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.

Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.

HubSpot Marketing Hub - HubSpot is a cloud-based inbound marketing software that allows businesses to transform the way that they market online.

Jaco - Watch and analyze your users’ behavior