
Ruby on Rails
ASP.NET
ember.js
Backbone.js
AngularJS
ExpressJS
Derby.js
Opa is an open source, simple and unified platform for writing web applications.

replit
StackBlitz
CloudShell
Gitpod
vscode.dev
CodeTasty
AWS Cloud9
GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.

Which is more popular?
Based on our record, GitHub Codespaces seems to be a lot more popular than Opa. While we know about 152 links to GitHub Codespaces, we've tracked only 6 mentions of Opa.
Website, pricing, platforms and company facts side by side.
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| Website | opalang.org | github.com |
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What each product offers, as listed by its team.


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


No analysis of Opa yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
My food review at Opa of Greece!
More videos
Brief introduction of GitHub Codespaces
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Opa and GitHub Codespaces. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Opa yet. Be the first one to post
Beginners who want to try their luck can use GitHub Codespaces for free with limited benefits, but you will have enough features to carry on. If you are a team or an enterprise, you can start using GitHub Codespaces...
Recommendations tracked on public social media and blogs since March 2021.


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... - Source: Hacker News / about 1 year ago
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 don’t really know why it didn’t take off. - Source: Hacker News / about 1 year ago
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 / over 1 year ago
First, remote dev environments became table stakes. GitHub Codespaces, Gitpod, and self-hosted dev containers became how serious teams worked. Every engineer I know who ships to production now SSHs into a box they didn't provision, edits... - Source: dev.to / 7 months ago
This package provides support for managing GitHub Codespaces in Emacs and connecting to them via TRAMP. It provides a handy completing-read UI that lets you choose from all your created codespaces. - Source: dev.to / 8 months ago
GitHub Codespaces provides 60 hours of free compute time every month, which is more than enough for scoped home assignments or interviews. It’s a full VSCode in the browser at github.dev or vscode.dev. - Source: dev.to / 12 months ago
When comparing Opa and GitHub Codespaces, you can also consider the following products.

Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
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ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
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Online VS Code Editor for Angular and React
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A JavaScript framework for creating ambitious web apps
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Cloud Shell is a free admin machine with browser-based command-line access for managing your infrastructure and applications on Google Cloud Platform.
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