
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.

Sync and forward messages between Discord and Telegram automatically. Supports Discord-to-Discord and Telegram-to-Telegram forwarding too.
Which is more popular?
Based on our record, Opa seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opalang.org | forwardmsg.com |
| Pricing | — | |
| Company | — | Startup from the United States · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Opa yet.
ForwardMsg is a powerful message forwarding tool that automatically syncs messages between Discord and Telegram. Whether you need Discord-to-Telegram, Telegram-to-Discord, or even Discord-to-Discord and Telegram-to-Telegram message forwarding, ForwardMsg delivers real-time, reliable performance....
What each product offers, as listed by its team.


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


Share your experience with using Opa and ForwardMsg. For example, how are they different and which one is better?
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
Tracking ForwardMsg since Mar 2025.
When comparing Opa and ForwardMsg, 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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ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
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A JavaScript framework for creating ambitious web apps
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Give your JS App some Backbone with Models, Views, Collections, and Events
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AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.
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Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
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