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Blockly VS WebVM

Compare Blockly VS WebVM and see what are their differences

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Blockly logo Blockly

Blockly is a library for building visual programming editors.

WebVM logo WebVM

A server-less virtual environment running fully client-side in HTML5/WebAssembly, designed to be Linux ABI-compatible, supporting x86 binaries on any browser, powered by the CheerpX engine, with a Debian OS and developer tools for secure, sandboxed โ€ฆ
  • Blockly Landing page
    Landing page //
    2023-04-18
Not present

Blockly features and specs

  • 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 of Blockly

  • 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.

WebVM features and specs

No features have been listed yet.

Analysis of Blockly

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.

Analysis of WebVM

Overall verdict

  • WebVM is an impressive and genuinely useful project that runs a full Linux environment entirely in the browser, making it a solid choice for lightweight experimentation, education, and demos without any installation.

Why this product is good

  • Runs a complete Debian-based Linux environment directly in the browser with no installation or server-side backend required
  • Powered by CheerpX virtualization technology, which compiles x86 binaries to WebAssembly for real execution client-side
  • Fully sandboxed and private since computation happens locally in your browser, so your data stays on your machine
  • Open source and free to use, making it accessible for learning and tinkering
  • Includes networking support via Tailscale integration for connecting to real network resources
  • Great for quick demos and showcasing what modern web technologies (WebAssembly) can achieve

Recommended for

  • Developers wanting to quickly try Linux commands or tools without setting up a VM
  • Educators and students learning Linux, shell scripting, or basic systems concepts
  • People who need a disposable, sandboxed environment for testing snippets or scripts
  • Enthusiasts curious about WebAssembly and in-browser virtualization capabilities
  • Users on locked-down machines who cannot install software but have browser access

Blockly videos

Blockly: Using Block Based Coding in your App

More videos:

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

WebVM videos

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

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Category Popularity

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User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Blockly and WebVM

Blockly Reviews

Top 20 Javascript Libraries
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 blocks. The best part is that you can create custom code, and the output is syntactically correct in your choice of the programming language. Blockly has no...
Source: hackr.io

WebVM Reviews

We have no reviews of WebVM yet.
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Social recommendations and mentions

Based on our record, Blockly should be more popular than WebVM. It has been mentiond 31 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Blockly mentions (31)

  • 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 inside the blockly universe for as long as they like, but easily peer under the hood and get into Python or JavaScript as soon as they like. - Source: Hacker News / about 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 only a better teaching tool it's also forms a more useful springboard to build other projects. Graphical, block based coding seems to be a common attempt to make coding more... - Source: Hacker News / over 2 years ago
  • โšง๏ธŽ Super Smash Siblings Trans
    Unless it would contradict canon, every stage is very bright, highly interactive, full of pre-placed items, and so huge that you can usually run from your NPC opponents and enjoy exploring the stage in peace while they catch up to you. All buildings have Linux computers with actual internet access that allow you to program and print out your own projectiles/books/flags/UNO reverse cards/shinigami eyes/soupcans/cis... Source: almost 3 years ago
  • Scratch is the worldโ€™s largest coding community for children
    If your kids tinker with Scratch, try out TurboWarp[1], a Scratch mod that compiles projects to JavaScript. Other alternatives to tinker with are Blocky[2] and Snap[3]. 1. https://turbowarp.org 2. https://developers.google.com/blockly/ 3. https://snap.berkeley.edu. - Source: Hacker News / over 3 years ago
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WebVM mentions (7)

  • Running Python code in a sandbox with MicroPython and WASM
    The architecture is a fairly straightforward WebAssembly-native monolithic kernel. Most of the complexities come from making things work well within the browser constraints for real world, large apps. We have quite a bit of experience on the topic however, these are previous projects of ours: WebVM (https://webvm.io): x86 Debian shell running client-side in the browser via x86 -> WebAssembly JIT compilation... - Source: Hacker News / 26 days ago
  • A Linux-like kernel in a browser tab โ€“ deep dive in the BrowserPod architecture
    Thanks :-) We have been building WebAssembly-based products for a while now, so for us it's second nature. But I think you are right, most developers, even experienced ones, have not yet come to grasp the fully capabilities of the Web platform in conjunction with WebAssembly. You might find previous projects from us also interesting: * WebVM (https://webvm.io): x86 virtualization in the browser. - Source: Hacker News / about 2 months ago
  • JSLinux Now Supports x86_64
    A somewhat better solution via tailnet you can find in https://webvm.io/. - Source: Hacker News / 4 months ago
  • BrowserPod: Universal in-browser sandbox powered by WASM (starting with Node.js)
    Hello HN community, I am very happy to share with you BrowserPod for Node.js - a sandboxed Node runtime, compiled to WebAssembly, that runs completely in the your browser. BrowserPod builds on our previous work on WebAssembly virtualization, see WebVM (https://webvm.io) as an example. The environment is not a simple set of shims, but the "real" Node.js, including support for filesystem, multiple processes and... - Source: Hacker News / 4 months ago
  • What Happened to WebAssembly
    We use WebAssembly aggressively at Leaning Technologies across our tools. WebAssembly makes it possible to: * Run x86 binaries in the browser via JIT-ting (https://webvm.io) * Run Java applications in the browser, including Minecraft (https://browsercraft.cheerpj.com) * Run node.js containers in the browser (https://browserpod.io) It's an incredibly powerful tool, but very much a power-user one. Expecting your... - Source: Hacker News / 6 months ago
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What are some alternatives?

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

Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.

Warp Terminal - The terminal for the 21st century. Warp is a blazingly fast, rust-based terminal reimagined from the ground up to work like a modern app.

Spark Mail - Spark helps you take your inbox under control. Instantly see whatโ€™s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.

Grails - An Open Source, full stack, web application framework for the JVM

CheerpJ - The complete Java runtime for modern browsers. CheerpJ is the only solution that can run any large-scale, unmodified Java applications, applets, or libraries in the browser. No downloads or plugins are required.