
Decidim
Prioneer.io
Loomio
Consul
Jina Rationale
Typeform
Polis
Online voting system (german & english) for Interactive Democracy, which is used by the Pirate...
Ideal postcodes
Postio.co.uk
USZipLookup
Zipcodestack
Fetchify
Data8 UK
Geocode.xyz
Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.

Which is more popular?
Based on our record, LiquidFeedback seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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PostalCodes.info
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| Website | liquidfeedback.com | postalcodes.info |
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What each product offers, as listed by its team.

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Recommendations tracked on public social media and blogs since March 2021.

An implementation of Liquid Democracy is Liquid Feedback, which the Pirate Party Germany uses Internally. Source: almost 4 years ago
There is also Liquid Feedback though I've never seen a live demonstration. Source: almost 5 years ago
Not yet but I'm hopeful about ideas like liquid democracy https://liquidfeedback.com/en/. - Source: Hacker News / about 5 years ago
Tracking PostalCodes.info since May 2026.
When comparing LiquidFeedback and PostalCodes.info, you can also consider the following products.

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Prioneer is a stack ranking tool. Get people's priorities · Research customer pain points · Make team decisions · Create beautiful ranking surveys in 1 minute!
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Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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Loomio helps groups of people make decisions together, online.
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Find any US ZIP code or Canadian postal code instantly. Search by city, address or code - get accurate location, county & population data free.
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