OpinionX
Viable Fit
Product Fit
Startup Growth Roadmap
Product Market Fit Toolkit
Resource Center by UserGuiding
GrowthHackList
Focus Framework
mytello
toolani
KeepCalling
Rebel Calling
Skype
BNESIM
letsBrik
Viber Out International Calls
OpinionX is a free research tool for stack ranking people's priorities. Understand what matters most to your customers, colleagues or community and use advanced analysis features like segmentation filtering to compare the priorities of different cohorts of people.
OpinionX mytelloBased on our record, OpinionX seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Plz let me know if this is super subreddit anti-rules, but the tool I used for this is opinionx.co (which - full disclosure I'm part of the team on). If this is overly promotional let me know and I can remove this comment. Source: about 3 years ago
I love a good niche. I've started a startup to help other startups start successfully... We help people who want to build products to find problems that their target customers actually care about: opinionx.co. Source: about 3 years ago
Viable Fit - Measure and improve your product market fit
toolani - Cheap international calls
Product Fit - Measure product/market fit in app with your users.
KeepCalling - Best Rates for International Calls. No Contract, Expiry, or PIN. Use Any Phone, Smartphone or PC.
Startup Growth Roadmap - Get from idea to product market fit
Rebel Calling - Internet-free international calling for $1 a month