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DataQuest Beta
Percival is a declarative data query and visualization language.

Instantgen AI
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QuickReply.ai
Quicky AI
Reply faster with AI on any website

Which is more popular?
Based on our record, Percival seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | percival.ink | quickfix.ai |
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| Platforms | — | |
| Company | — | Startup from the Netherlands |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Percival yet.
Quickfix AI is a browser extension that writes replies for you using AI. Click once and get a perfect reply. No typing needed. It works on every website. Gmail, LinkedIn, Reddit, Slack, Zendesk, customer support tools, social media, and more. One extension for all your replies. Using it is...
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Why this product is good
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Walkthroughs and reviews on video.
COMPLIMENTED HYPE BEAST | PARFUMS DE MARLY PERCIVAL FRAGRANCE REVIEW
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Share your experience with using Percival and Quickfix.ai. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I struggle to understand the Clojure/Datomic dialect, but I agree generally. I recommend Percival for playing around with Datalog in a friendly notebook environment online: https://percival.ink/ Although there’s no “ANSI SQL” equivalent... - Source: Hacker News / over 1 year ago
You could theoretically use Datalog anywhere you're currently using a SELECT SQL statement - it's a declarative way to produce a set of tuples given some existing sets of tuples. But, Datalog is much better at deductive reasoning... - Source: Hacker News / almost 4 years ago
I haven't written a parser with Chumsky, bit I've played with a little one a bit if you wanna see an example syntax. The error reporting for this project is implemented with `ariadne` which is also really slick. Parser:... - Source: Hacker News / over 4 years ago
Tracking Quickfix.ai since Nov 2025.
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