Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.
Clientjoy.io - Productivity OS for Agencies & Freelancers | All-in-one crm to Manage Sales Pipeline, Clients, Appointments, Mailbox, Create Proposals, Contracts, Invoices, collect Payments & run Email Sequences.
TinyNPS - Simple NPS feedback
Albacross - The world's first free B2B Lead Generation Network. Albacross help companies master their B2B digital marketing with Lead Generation and targeted marketing
Delighted + NomNom Integration - Turn your NPS responses into product insights
mightysignal - The engineer's approach to lead generation.