
Deku
Inferno
Blocks.js
Preact.js
Glimmer
Webix UI
Svelte
W2UI is a small JavaScript UI library with a complete set of widgets: layout, grid, sidebar, toolbar, tabs, fields, popup, utilities.

ShrimpTank.app
AquaKeeper.app
The free aquarium logbook that forecasts your water parameters.
Which is more popular?
Based on our record, w2ui seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | w2ui.com | reefnotes.com |
| Pricing | — | |
| Company | — | Startup from Germany · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of w2ui yet.
reefnotes is a calm aquarium logbook that runs in your browser — nothing to install, works on every device. Log every water test, water change and dose in one place. reefnotes draws the trend, learns your water-change rhythm as the logbook fills, and shows you where a value is heading before the...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
It's recommended for developers who need a reliable and lightweight UI toolkit for building data-intensive applications such as dashboards, data management tools, and any application that requires extensive use of grid and form controls. It's particularly useful for teams needing a consistent and straightforward way of implementing UI components with minimal configuration.
No analysis of reefnotes yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using w2ui and reefnotes. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Use https://w2ui.com/web/ , which literally uses a few mb's to render 27k records from Array. What a beast! Tested it with 250k ~ 50mb. This will do ... Source: over 3 years ago
Tracking reefnotes since Sep 2026.
When comparing w2ui and reefnotes, you can also consider the following products.

Functional view library for building UI components as an alternative to React
Compare Deku to w2ui or reefnotes:


An extremely fast React-like javascript library for building modern user interfaces.
Compare Inferno to w2ui or reefnotes:


Deprecated repository. Contribute to Tixit/blocks.js development by creating an account on GitHub.
Compare Blocks.js to w2ui or reefnotes:

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
Compare Preact.js to w2ui or reefnotes: