Testimonial.to - Collect video testimonials in the simplest way
BlankPage - Stay motivated to write, and finish your story
Senja.io - Senja is the easiest way to collect, manage and share testimonials, online reviews and feedback from your customers.
Novelize - Novelize is an online novel writing app designed to keep authors on track.
Trust - Trust lets you easily create online surveys, collect customer video testimonials and reviews, then display them with beautiful widgets on your business websites.
Manuskript - Open-source tool for writers.