Software Alternatives & Startups

Blockly VS ComponentLibraries

Compare Blockly VS ComponentLibraries and see what are their differences

Blockly

Blockly is a library for building visual programming editors.

Rating
0 reviews
Pricing
Open source

The ultimate directory for top UI component libraries in React, Vue, Angular, Nuxt, Svelte, Rails, Weblow, and more.

Rating
0 reviews
Pricing
Freemium $19 / Monthly (for a featured placement on the listing)
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Blockly seems to be more popular. It has been mentioned 31 times since March 2021.

social mentions
31 vs 0
Web Frameworks popularity
100% vs 0%
alternatives listed
171 vs 1

Base details

Website, pricing, platforms and company facts side by side.

Blockly
ComponentLibraries
Website developers.google.com componentlibraries.com
Pricing
Open source
Freemium $19 / Monthly (for a featured placement on the listing) Official pricing
Company Startup from the United States · 1 - 9 employees · 2025
Listed in

About Blockly and ComponentLibraries

In their own words, as submitted to SaaSHub.

Blockly
ComponentLibraries

No description of Blockly yet.

We want builders to avoid searching for the perfect UI component library for their project and scrolling through GitHub repos, outdated blog lists, or product pages that barely show what’s inside... We built ComponentLibraries.com to make finding the right component library effortless. Browse a...

Read more about ComponentLibraries

Features and specs

What each product offers, as listed by its team.

Blockly 5 features
ComponentLibraries 4 features
  • User-Friendly
    Blockly offers a highly intuitive and visual interface. Users, especially beginners and non-programmers, can easily drag and drop blocks to create programs without needing to write code manually.
  • Educational Value
    Blockly is excellent for educational purposes. It simplifies the learning curve for programming by abstracting the complexities of syntax, allowing learners to focus on understanding logic and computational thinking.
  • Cross-Language Support
    Blockly can generate code for multiple programming languages (JavaScript, Python, PHP, Lua, Dart). This makes it versatile and useful for teaching and transitioning to various languages.
  • Customizability
    Blockly is highly customizable. Developers can create custom blocks and define their own rules, making it adaptable to various projects and domain-specific needs.
  • Open Source
    As an open-source project, Blockly provides the flexibility to modify and extend the toolkit to fit specific requirements. This open nature encourages community contributions and improvements.

Possible disadvantages

  • Limited Complexity
    Blockly is designed for simplicity and may not handle very complex programming tasks efficiently. Advanced users might find it insufficient for sophisticated or large-scale projects.
  • Performance Overhead
    The visual programming model can introduce performance overhead. Converting blocks to executable code and running it can be less efficient compared to hand-written code, especially for performance-critical applications.
  • Learning Transition
    While Blockly is great for beginners, transitioning from block-based programming to traditional text-based coding can be challenging. Users may need additional guidance to adapt to the intricacies of syntax and coding best practices.
  • Limited Debugging Tools
    Blockly does not offer advanced debugging tools. Debugging issues can be more challenging compared to traditional IDEs that provide sophisticated debugging capabilities.
  • Scalability Issues
    For large projects, the block-based approach can become unwieldy and harder to manage compared to traditional text-based code which can be more neatly structured and maintained.
  • Framework search
    Find libraries by framework (React, Vue, Angular, Svelte etc.)
  • Functionalities search
    Filter by key functionalities (Dark Mode, Accessibility, Customizable, etc.)
  • Popularity
    Compare popularity (GitHub stars, NPM downloads)
  • Manage your listing
    Claim or submit a library to keep listings up to date

Analysis

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

Blockly
ComponentLibraries

Overall verdict

  • Yes, Blockly is a good tool, especially for educational environments and projects that benefit from visual programming. It's well-supported by Google and the community, making it a reliable choice for developers.

Why this product is good

  • Blockly is a powerful library for creating visual programming editors. Its intuitive drag-and-drop interface allows both beginners and advanced programmers to create code blocks that can be converted into various text-based programming languages like JavaScript, Python, and more. This ease of use makes it an excellent tool for educational purposes and rapid prototyping.

Recommended for

  • Educators looking to introduce programming concepts to students.
  • Developers seeking to build applications with a visual programming interface.
  • Hobbyists interested in creating projects without extensive coding knowledge.
  • Organizations aiming to develop interactive tutorials and learning platforms.

Overall verdict

  • I don't have verified, up-to-date information about componentlibraries.com specifically, so I can't confirm its quality, reliability, or reputation. I'd recommend independently verifying details like company background, user reviews, security practices, and pricing before using it.

Why this product is good

  • No verified data available on this specific domain to confirm legitimacy or quality
  • Unable to confirm claims about features, pricing, or customer support without direct verification
  • Recommend checking third-party review sites, domain age, and business registration for legitimacy signals
  • Look for user testimonials, GitHub presence, or documentation quality if it's a developer tool

Recommended for

  • Users who first verify the site through independent research and reviews
  • Developers who can test any offered libraries/components in a sandbox before committing
  • Anyone who checks for company transparency, contact information, and refund/support policies before purchasing

Videos

Walkthroughs and reviews on video.

Blockly 3 videos + Add
ComponentLibraries 0 videos + Add

Blockly: Using Block Based Coding in your App

More videos

  • - Fable Blockly Review
  • - Trying Out Blockly, Google's New Programming Language [DiceTV]

No ComponentLibraries videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Blockly
ComponentLibraries
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Blockly and ComponentLibraries.

What's the story behind your product?

ComponentLibraries's answer:

There wasn't a single platform showcasing ALL the component libraries for any framework, let alone promoting bootstrapped independent ones, so we built one!

Which are the primary technologies used for building your product?

ComponentLibraries's answer:

Next.js, Typescript, Sanity CMS

What makes your product unique?

ComponentLibraries's answer:

Component Libraries is literally the only platform showcasing all the best component libraries, besides GitHub repos, outdated blog lists, or product pages.

User comments

Share your experience with using Blockly and ComponentLibraries. For example, how are they different and which one is better?

Log in or Post with

Reviews and articles

External articles and on-site reviews we used to compare the two products.

Blockly no reviews yet
ComponentLibraries no reviews yet
  • Top 20 Javascript Libraries
    hackr.io · Mar 2022

    Blockly, a creation of Google, is a web-based visual programming editor. When added to the code, the library adds an editor to the app that represents code snippets like loops, expressions, variables, and more as...

We have no reviews of ComponentLibraries yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Blockly 31 mentions
ComponentLibraries 0 mentions
  • Ask HN: Platform for 11 year old to create video games?
    Scratch is fantastic. There are also a number of similar (block-based) tools that let you create your own custom blocks and see the code behind them - e.g. Blockly (https://developers.google.com/blockly). - Source: Hacker News / almost 2 years ago
  • Ask HN: Modern Day Equivalent to HyperCard?
    If your kid is already doing Scratch, Blockly is a really easy next step. https://developers.google.com/blockly Critically, Blockly can emit JavaScript and Python, plus it supports plugins for extended functionality. So the kid can stay... - Source: Hacker News / over 2 years ago
  • A shortage of teachers for computer science classes in California
    The issue with Alice is that graphical, block based coding is not at all an ergonomic way to code. Sure, C++ probably isn't the best for an intro CS courses, either, but even just Python with some wrappers over SDL to draw sprites is not... - Source: Hacker News / almost 3 years ago

View more

Tracking ComponentLibraries since Feb 2025.

Alternatives to Blockly and ComponentLibraries

When comparing Blockly and ComponentLibraries, you can also consider the following products.