Software Alternatives, Accelerators & Startups

StackBlitz VS Opa

Compare StackBlitz VS Opa and see what are their differences

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.

StackBlitz logo StackBlitz

Online VS Code Editor for Angular and React

Opa logo Opa

Opa is an open source, simple and unified platform for writing web applications.
  • StackBlitz Landing page
    Landing page //
    2023-09-20
  • Opa Landing page
    Landing page //
    2021-10-16

StackBlitz features and specs

  • Speed
    StackBlitz is known for its quick load times and fast editing capabilities, making it ideal for rapid development and testing.
  • Ease of Use
    The interface is intuitive and user-friendly, allowing developers to get started quickly without a steep learning curve.
  • Zero-Setup
    Users can write, compile, and run code directly in the browser without any setup or configuration required.
  • Integrations
    StackBlitz integrates seamlessly with GitHub, allowing for easy import and export of repositories.
  • WebContainers
    StackBlitz uses WebContainers to run Node.js applications in the browser, providing a near-native development experience.
  • Collaboration
    Real-time collaboration features allow multiple users to work on the same project simultaneously, similar to Google Docs.

Possible disadvantages of StackBlitz

  • Limited Plugins
    Unlike traditional IDEs like VSCode or IntelliJ, StackBlitz has a limited ecosystem of plugins and extensions.
  • Online Dependency
    StackBlitz requires an internet connection to function, which can be a limitation for developers who need to work offline.
  • Performance
    For very large projects or those requiring extensive computational resources, performance may degrade compared to local development environments.
  • Mobile Accessibility
    While StackBlitz is accessible on mobile devices, the user experience is not as optimized as it is on desktop browsers.
  • Limited Framework Support
    Although StackBlitz supports many popular frameworks, it doesn't support all frameworks or versions, which could be limiting for some projects.
  • Storage and Persistence
    Files and data are stored in the cloud, which might raise concerns around data privacy and persistence for some users.

Opa features and specs

  • Full-Stack Development
    Opa is designed to be a full-stack language, which means it can handle both the client-side and server-side development within a single codebase. This reduces the need for context switching between multiple programming languages and can simplify the development process.
  • Security Features
    Opa includes built-in security features such as automatic data validation and prevention of common web vulnerabilities like XSS and SQL injection, potentially reducing the number of security issues in web applications.
  • Concurrency Support
    Opa natively supports asynchronous programming and concurrency, allowing developers to write efficient, non-blocking code without needing additional frameworks or libraries.
  • Integrated Web Development
    The language integrates multiple aspects of web development such as database, server, and client interactions, aiming to streamline the process and reduce the complexity of managing disparate technologies.

Possible disadvantages of Opa

  • Limited Adoption
    Opa is not widely adopted, which can result in a smaller community and fewer resources, tutorials, or third-party libraries compared to more popular web development languages and frameworks.
  • Learning Curve
    Developers new to Opa might face a steep learning curve due to its unique approach and syntax, which differs considerably from more traditional web development languages.
  • Tooling and Ecosystem
    The tooling and ecosystem around Opa may not be as mature or robust as those surrounding other more established languages, potentially leading to challenges in finding compatible tools or plugins.
  • Performance Overheads
    While Opa abstracts many details for developers, this abstraction can introduce performance overheads compared to languages that allow more fine-tuned control over performance optimizations.

StackBlitz videos

StackBlitz - Online Code Editor For Angular and React - Introduction

More videos:

  • Review - Using Stackblitz for html css javascript, make websites, web development

Opa videos

My food review at Opa of Greece!

More videos:

  • Review - Classic Game Room - OPA OPA review for Sega Mark III

Category Popularity

0-100% (relative to StackBlitz and Opa)
Text Editors
100 100%
0% 0
Web Frameworks
0 0%
100% 100
Programming
100 100%
0% 0
Developer Tools
69 69%
31% 31

User comments

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Reviews

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

StackBlitz Reviews

  1. Has almost everything I need

    I've started using this as my main IDE for new projects when I'm trying things out. If it keeps getting better at the rate it has been, it'll be even better than coding locally.

    ๐Ÿ Competitors: replit
    ๐Ÿ‘ Pros:    Easy to get started and operate|Fast|Supports common extensions|Works with most npm packages
    ๐Ÿ‘Ž Cons:    Still not as good as local development|Can be hard to debug|Build times can be slower than local

12 Best Online IDE and Code Editors to Develop Web Applications
All applications created on StackBlitz also get deployed automatically on their servers! So, this Angular toy app I just created is hosted automatically on https://angular-yvyi2j.stackblitz.io/. Most likely, the URL is still working (will load slowly, though, as youโ€™d expect when hosted for free)!
Source: geekflare.com
Best Online Code Editors For Web Developers
StackBlitz claims to allow you to code the future in your browser. And after trying it, Iโ€™m confident youโ€™ll agree that this web application is extremely useful for coders.
Source: techarge.in

Opa Reviews

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

Social recommendations and mentions

Based on our record, StackBlitz seems to be a lot more popular than Opa. While we know about 112 links to StackBlitz, we've tracked only 6 mentions of Opa. 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.

StackBlitz mentions (112)

  • RS-X: Framework-agnostic reactive state and expressions for JavaScript/TS
    Managing reactive state and dependent computations in JavaScript can get complex, especially when combining asynchronous and synchronous data. RS-X is a library that allows you to bind expressions to plain objects and makes the parts of the model used by those expressions fully reactive. Dependent computations automatically update when the underlying data changes. RS-X is framework-agnostic. While it can drive UI... - Source: Hacker News / 6 months ago
  • Show HN: I combine Htmx, LiveView and SolidJS for interactive server components
    I like htmx, LiveView, React and Solid. They are great at different points, so I try to combine them in Solv (Stateless Offline-capable LiveView) and write a prototype to show the benefits. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components that are also interactive, which is best of both worlds between LiveView and htmx. Then fine-grained reactivity is... - Source: Hacker News / 9 months ago
  • Show HN: Solv โ€“ Stateless Offline-Capable LiveView โ€“ Prototype 03
    I like htmx, LiveView, React and Solid. They are great at different points, and this is a prototype trying to combine them. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components that are also interactive, which is best of both worlds between LiveView and htmx. Then fine-grained reactivity is added to achieve efficient DOM updates + minimal payload size.... - Source: Hacker News / 9 months ago
  • AutoView - turning your blueprint into UI components (AI Code Generator)
    In the code editor tab (powered by StackBlitz), navigate to the env.ts file and enter your OpenAI key. Run npm run generate in the terminal to see how @autoview generates TypeScript frontend code from example schemas derived from both TypeScript types and OpenAPI documents. - Source: dev.to / over 1 year ago
  • 22 Unique Developer Resources You Should Explore
    URL: https://stackblitz.com What it does: An online IDE for coding, previewing, and deploying web apps instantly. Why it's great: Rapidly spin up projects without local setups โ€” great for experimentation. - Source: dev.to / over 1 year ago
View more

Opa mentions (6)

  • Ask HN: Abandoned/dead projects you think died before their time and why?
    Definitely Opa: http://opalang.org/ In 2011, before TypeScript, Next.js or even React, they had seamless server-client code, in a strongly typed functional language with support for features like JSX-like inline HTML, async/await, string interpolation, built-in MongoDB ORM, CSS-in-JS, and many syntax features that were added to ECMAScript since then. I find it wild how this project was 90%+ correct on how we will... - Source: Hacker News / 9 months ago
  • Ask HN: Abandoned/dead projects you think died before their time and why?
    Opa language 2012, it was a typed nextjs before its time. http://opalang.org/ I think the market was still skeptical about nodejs on the server at the time but other than that I donโ€™t really know why it didnโ€™t take off. - Source: Hacker News / 9 months ago
  • Ask HN: What Are You Working On? (July 2025)
    A tool to solve optimization problems using quantum computers. Just released the first open-source version https://github.com/pasqal-io/maximum-independent-set/. We'll see if I have the energy to work on that. - Source: Hacker News / 12 months ago
  • Imba โ€“ The friendly full-stack language
    I remember Opa http://opalang.org/ tried something similar at the time when MongoDB was new and modern. - Source: Hacker News / almost 3 years ago
  • Ask HN: What web frameworks/technologies did not succeed as per your expectation
    We come across some web frameworks and technologies that we think will succeed, but they wither away as time passes by and don't succeed to the level we expected. Which web frameworks and or technologies did you come across that you thought would succeed but did not as per your expectations? For example, I thought that Opa Lang[0] and UrWeb[1] would succeed but did not, even though the ideas were sound. [0]... - Source: Hacker News / almost 3 years ago
View more

What are some alternatives?

When comparing StackBlitz and Opa, you can also consider the following products

CodeSandbox - Online playground for React

Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...

replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages โ€” without spending a second on setup.

ASP.NET - ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.

CodePen - A front end web development playground.

ember.js - A JavaScript framework for creating ambitious web apps