
Observable
Hyperquery
Zerve AI
Saturn Cloud
PythonSandbox
DataLab
Quadratic
The next-generation Python notebook

Metaplane
Know Your Data
Flatlogic
Qualdo™
Motion Project
Instadeq
DataQuest Beta
Percival is a declarative data query and visualization language.

Which is more popular?
Based on our record, marimo should be more popular than Percival. It has been mentioned 16 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | marimo.io | percival.ink |
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Percival yet.
Walkthroughs and reviews on video.
Marimo Notebooks Intro | Charting Python's rise in popularity
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COMPLIMENTED HYPE BEAST | PARFUMS DE MARLY PERCIVAL FRAGRANCE REVIEW
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using marimo and Percival. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Similar things in this area: Marimo - recently had a lot of success with this: https://marimo.io/ RMarkdown: https://rmarkdown.rstudio.com/ Quarto: (this is more the editor really I guess) https://quarto.org/. - Source: Hacker News / 6 days ago
Pluto is great. I use it all the time. If you like the reactivity/reproducibility but are wedded to Python, you might want to check out Marimo, which is also great. [https://marimo.io/] It too puts the output of a cell above the... - Source: Hacker News / 4 months ago
Marimo notebooks give you the best of both worlds (https://marimo.io). - Source: Hacker News / 6 months ago
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 / about 4 years ago
When comparing marimo and Percival, you can also consider the following products.


Metaplane is the Datadog for Data — a data observability tool that continuously monitors your data stack, alerts you when something goes wrong, and provides relevant metadata to help you debug.
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Data notebook built for speed, visibility, and collaboration
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Understand datasets & improve data quality, by Google PAIR
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