UserVoice alternatives

Note to self: This is an export from Google Docs with the same title. It's easier to handle tables there than in Blogger. The list was collected about a year ago.

Cloud solutions

In alphabetical order …

Name	Free plan	Import from UserVoice / Comment
Aha!Ideas	No	Yes.
Canny	Yes	Free plan has 100 posts limit and admins can't comment. They do not advertise UserVoice import functionality, but their developers can do it in the background.
Featurebase	Yes	CSV import, not all fields are supported.
Idea Vote	No
Kampsite.co	Yes	Free plan supports up to 30 suggestions.
Nolt.io	No
Prodcamp	Yes
Productboard	Yes
Savio	No
Sleekplan	Yes	CSV import, not all fields are supported.
Support Hero	No	Done via API.
Upp.vote	No
Upvoty	No
UseResponse	No
Userjot	Yes	Yes, they provide tools to help you import your existing feedback data from UserVoice. Contact their support team.

Self-hosted solutions

In alphabetical order …

Name	Status	Languages	Import from UserVoice / Comment
Astuto		TypeScript, Ruby
Feedbacker	Dead	JavaScript
Fider		Go, TypeScript	No
LogChimp	Not ready? Dead?	Vue, JavaScript
Loomio		Ruby, Vue
PHPBack	Dead	PHP

Relevant reddit thread

https://www.reddit.com/r/selfhosted/comments/1aek8yf/selfhosted_cannyio_alternative/