21st.dev
Create, remix and share UI components with AI
tiddlywiki
A non-linear personal web notebook
Updated June 2026
| 21st.dev | tiddlywiki | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 6 | 15 |
| Pros | 6 | 13 |
| FactScore™ | 42.3 | 60.2 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in 21st.dev — Pros
UI component marketplace 3D components Actionable insights Centralized UI components Easy integration Free componentsBoth tools — Pros
—Only in tiddlywiki — Pros
Flexible Reliable Community support Customizable Powerful knowledge management Portable Single html file Versatile Hyper-extensible Spaced repetition Feature-rich Future safe Open sourceOnly in 21st.dev — Cons
—Both tools — Cons
—Only in tiddlywiki — Cons
Steep learning curveDetails
| 21st.dev | tiddlywiki | |
|---|---|---|
| Categories | Website builders, No-code Platforms | Note and writing apps, Project management software, Website builders |
| Platforms | Web | Web |
| Added | January 7, 2025 | October 17, 2017 |
| Website | 21st.dev | tiddlywiki.com |
Who Should Pick Which?
Choose 21st.dev if...
- UI component marketplace
- 3D components
- Actionable insights
Choose tiddlywiki if...
- Flexible
- Reliable
- Community support
With a FactScore™ of 42.3 vs 60.2, tiddlywiki leads in community reception. 21st.dev uniquely offers UI component marketplace and 3D components, while tiddlywiki stands out for Flexible and Reliable.
What Users Say
21st.dev
Looks like a practical tool for speeding up UI development, especially when working with AI-driven apps. It’s helpful to have ready-to-use components instead of building everything from scratch. Ar...
This definitely simplifies the workflow for frontend developers. Having a centralized space for high-quality UI components saves a lot of time compared to searching for scattered solutions. Curious...
This feels like a great way to cut down on repetitive design work. I wonder how it handles versioning when components get updated.
tiddlywiki
The learning curve is so steep you might want to drop it at the very beginning. But don't be deceived! Once you get a hang of how tiddlers work and set up a system that matches your workflow, the p...
Did your favorite reading software disappear overnight (rhymes with Rocket) ? Or maybe your "free" information manager decided to start charging you the equivalent of an automobile payment (rhymes ...
TiddlyWiki can be a simple journal that somehow keeps memories local to your devices and easy to find for 20 years, or a personal in-browser app framework, if you're susceptible to nerd sniping. Us...
Frequently Asked Questions
Which is better, 21st.dev or tiddlywiki?
Based on FactScore™, tiddlywiki leads with a score of 60.2 vs 42.3. tiddlywiki has a higher rating of 5.0★ compared to 5.0★.
What are the pros of 21st.dev compared to tiddlywiki?
21st.dev uniquely offers: UI component marketplace, 3D components, Actionable insights, Centralized UI components, Easy integration.
What are the pros of tiddlywiki compared to 21st.dev?
tiddlywiki uniquely offers: Flexible, Reliable, Community support, Customizable, Powerful knowledge management.
Is 21st.dev better rated than tiddlywiki?
21st.dev is rated 5.0★ from 6 reviews. tiddlywiki is rated 5.0★ from 15 reviews.
What is the FactScore™ of 21st.dev and tiddlywiki?
FactScore™ weighs rating and review volume together. 21st.dev scores 42.3 and tiddlywiki scores 60.2.
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