It's flexible and does most things well. Support is amazing, they even added a feature for me!
Got a really high response rate. I used this in tandem with Promolayer on my EC site for CRO. I did a 'whats missing from this product description' type survey + post purchase + product follow-up email and frankly, it's been amazing. I spent about 2 years trying to figure out my direction via analytics and heatmapping when I should have just been talking to my users the whole time.
Electron - Build cross platform desktop apps with web technologies
Ask User - User surveys without stress
Tuemilio - Email forms and referral waiting lists for indie makers
Doorbell.io - Collect in-app user feedback. Available on websites, iOS, and Android.
JumpStart Toolkit - A pack of tools and goodies to jumpstart your startup
buddybuild - Buddybuild ties together continuous integration, continuous delivery and an iterative feedback solution into a single, seamless system. With buddybuild, you can focus on what matters most: creating awesome apps.