Software Alternatives, Accelerators & Startups

KnowCSS VS StickyNotes.fyi

Compare KnowCSS VS StickyNotes.fyi and see what are their differences

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KnowCSS logo KnowCSS

The NoCSS Engine. Never create a css file again.

StickyNotes.fyi logo StickyNotes.fyi

A free, browser-based sticky notes app. Create, drag, resize, rotate, and color your notes โ€” no account required.
  • KnowCSS Landing page
    Landing page //
    2023-07-09
  • StickyNotes.fyi Example of the default theme with multiple colored sticky notes
    Example of the default theme with multiple colored sticky notes //
    2026-03-20

Sticky Notes turns your browser's blank new tab page into a visual workspace filled with colorful sticky notes.

Create notes in 25 colors, drag them anywhere on an infinite canvas, resize from any corner, and rotate from any edge. Write in Markdown for headings, bold, italic, lists, code blocks, and links. Adjust font size per note.

Choose from multiple canvas backgrounds: plain color, cork board, graph paper, dot grid, an animated galaxy, or kanban boards (3-lane and 4-lane).

Everything saves automatically to your browser's localStorage. There is no backend, no account, no login, no tracking, and no ads. The app works fully offline.

Built with Vue 3, Pinia, and Vite. Works as a browser homepage on Chrome, Firefox, Safari, Edge, and Opera, with built-in setup instructions for each browser.

KnowCSS

$ Details
-
Platforms
-
Release Date
-
Categories

StickyNotes.fyi

$ Details
free
Platforms
Browser Chrome OS Google Chrome Safari Edge Firefox Opera
Release Date
2026 March
Startup details
Country
The Netherlands
State
ZH
City
Monster
Founder(s)
Eric Vergunst
Employees
1 - 9

KnowCSS features and specs

  • Interactive CSS Learning
    KnowCSS provides an interactive way to learn and practice CSS properties and concepts, making it easier for beginners to understand how CSS works through hands-on experimentation.
  • Quick Reference Tool
    The site serves as a handy quick-reference tool for CSS properties, allowing developers to quickly look up syntax, values, and usage examples without digging through lengthy documentation.
  • Visual Demonstrations
    KnowCSS offers visual demonstrations of CSS properties, helping users see the immediate effect of different CSS values, which accelerates understanding of styling concepts.
  • Free to Use
    The platform is freely accessible, making it a cost-effective resource for students, self-taught developers, and anyone looking to improve their CSS skills without financial commitment.
  • Clean and Simple Interface
    The website features a clean, straightforward interface that is easy to navigate, allowing users to focus on learning CSS without being distracted by cluttered design or excessive advertisements.

Possible disadvantages of KnowCSS

  • Limited Depth of Content
    KnowCSS may not cover advanced CSS topics in sufficient depth, which means experienced developers may find the resource too basic for their needs and would need to supplement with other resources.
  • Limited Community and Support
    Compared to larger platforms like MDN Web Docs or CSS-Tricks, KnowCSS has a smaller community, meaning fewer discussions, forums, or peer support for troubleshooting issues.
  • Narrow Scope
    The site focuses specifically on CSS, so users looking for a comprehensive web development learning platform covering HTML, JavaScript, and other technologies will need to use additional resources.
  • Less Frequently Updated
    Smaller niche tools like KnowCSS may not be updated as frequently as major documentation sites, potentially missing coverage of the latest CSS features and specifications.
  • Limited Real-World Project Examples
    The platform may lack complex, real-world project examples that demonstrate how CSS properties work together in practical scenarios, which can leave a gap between learning individual properties and applying them in production.

StickyNotes.fyi features and specs

  • Pricing
    Free
  • Note Colors
    25 colors across warm, cool, and neutral palettes
  • Markdown Support
    Headings, bold, italic, lists, code blocks, links
  • Themes
    Plain, cork board, graph paper, dot grid, galaxy, kanban
  • Storage
    localStorage (no server, fully offline)
  • Account Required
    No
  • Tracking
    None
  • Dark Mode
    Yes, auto-detects OS preference
  • Browser Support
    Chrome, Firefox, Safari, Edge, Opera
  • Built With
    Vue 3, Pinia, Vite

Analysis of KnowCSS

Overall verdict

  • KnowCSS is a lightweight, no-frills CSS framework that helps developers quickly style HTML documents without writing custom CSS or dealing with class-heavy frameworks, making it a decent choice for simple, semantic styling needs, though it lacks the extensive ecosystem, community support, and advanced features of more established frameworks like Bootstrap or Tailwind CSS.

Why this product is good

  • Provides classless or minimal-class styling that works directly on semantic HTML elements
  • Lightweight footprint reduces page load times compared to bulkier frameworks
  • Simple to integrate for quick prototypes or small projects without a steep learning curve
  • Encourages clean, semantic HTML markup rather than div-heavy class-based structures

Recommended for

  • Developers building small to medium-sized websites who want quick styling without writing custom CSS
  • Beginners learning HTML/CSS who want to see immediate visual results with minimal setup
  • Projects prioritizing semantic HTML and minimal class usage
  • Quick prototypes, documentation sites, or internal tools where extensive customization isn't required

Analysis of StickyNotes.fyi

Overall verdict

  • StickyNotes.fyi is a good choice if you want a lightweight, no-frills digital sticky note tool for quick reminders and simple organization, though it lacks the advanced features of more robust productivity apps.

Why this product is good

  • Simple, minimalistic interface that's easy to learn instantly
  • Fast and lightweight with no unnecessary bloat or complexity
  • Free to use for basic sticky note functionality
  • Quick access without lengthy sign-up processes for basic use
  • Good for jotting down quick thoughts or reminders on the fly

Recommended for

  • Individuals who want a simple digital replacement for physical sticky notes
  • Users seeking quick, distraction-free note-taking without complex features
  • People who need a lightweight tool for temporary reminders
  • Casual users who don't require advanced organization or collaboration features
  • Those who prefer minimalist, clutter-free productivity tools

Category Popularity

0-100% (relative to KnowCSS and StickyNotes.fyi)
CSS
100 100%
0% 0
Task Management
0 0%
100% 100
HTML
100 100%
0% 0
Notes
0 0%
100% 100

Questions & Answers

As answered by people managing KnowCSS and StickyNotes.fyi.

What makes your product unique?

StickyNotes.fyi's answer:

It's a fully client-side sticky notes app designed specifically as a browser homepage or new tab replacement. There's no backend, no account, no tracking. Everything saves to localStorage and works offline. Most note apps require sign-up or sync to a server. This one doesn't.

Why should a person choose your product over its competitors?

StickyNotes.fyi's answer:

Zero friction. You open a tab and your notes are right there. No login, no loading spinner waiting for a server, no ads. It supports Markdown, 25 note colors, drag/resize/rotate, and multiple backgrounds/themes. It's as fast as a local file but with a visual, spatial layout that makes it easy to organize your thoughts at a glance.

How would you describe the primary audience of your product?

StickyNotes.fyi's answer:

Developers, students, and knowledge workers who want a visual, low-friction notepad always open in their browser. People who value privacy and simplicity over feature bloat.

What's the story behind your product?

StickyNotes.fyi's answer:

I'm a freelance front-end developer with almost 20 years of experience. During downtime between contracts, I built the tool I actually wanted: a simple, beautiful sticky notes workspace that lives in my browser's new tab page. No login walls, no subscription, no data leaving my machine. I use it daily myself.

Which are the primary technologies used for building your product?

StickyNotes.fyi's answer:

Vue 3, Pinia (state management), Vite (build tool), and vanilla CSS. Hosted on Netlify. No backend, no database, no API.

Who are some of the biggest customers of your product?

StickyNotes.fyi's answer:

  • It's a free tool launched this week, so there are no enterprise customers
  • Primary users are individual developers and productivity enthusiasts
  • Anyone who wants a better browser homepage

User comments

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What are some alternatives?

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