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.

Wootric - Wootric is software that allows apps and websites to take customer satisfaction surveys so that you can properly gauge the popularity and success of your app through the eyes of the people using it. Read more about Wootric.

Albacross - The world's first free B2B Lead Generation Network. Albacross help companies master their B2B digital marketing with Lead Generation and targeted marketing

TinyNPS - Simple NPS feedback

mightysignal - The engineer's approach to lead generation.

Customerville - Net Promoter Scores on steriods