Top 12 Open-Source Alternatives to Opa

The top open-source alternatives to Opa are Ruby on Rails, ember.js, and Backbone.js. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Ruby on Rails Landing Page
1

Ruby on Rails

Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Pricing:
- Open Source
#Developer Tools #Web Frameworks #Frameworks (Full Stack) 117 social mentions
ember.js Landing Page
2

ember.js

A JavaScript framework for creating ambitious web apps
Pricing:
- Open Source
#Javascript UI Libraries #JS Library #JavaScript Framework 27 social mentions
Backbone.js Landing Page
3

Backbone.js

Give your JS App some Backbone with Models, Views, Collections, and Events
Pricing:
- Open Source
#Javascript UI Libraries #JavaScript Framework #JS Library 15 social mentions
Derby.js Landing Page
4

Derby.js

MVC framework making it easy to write realtime, collaborative applications that run in both Node.
Pricing:
- Open Source
#Web Frameworks #Javascript UI Libraries #JavaScript Framework 3 social mentions
ExpressJS Landing Page
5

ExpressJS

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Pricing:
- Open Source
#JavaScript Framework #Node.js Framework #Web Frameworks 425 social mentions
Sinatra Landing Page
6

Sinatra

Classy web-development dressed in a DSL
Pricing:
- Open Source
#Ruby Web Framework #Web Frameworks #Ruby MVC Framework 36 social mentions
Koa.js Landing Page
7

Koa.js

Next generation web framework for node.js
Pricing:
- Open Source
#Web Frameworks #MVC Framework #NodeJS Framework 36 social mentions
Sails.js Landing Page
8

Sails.js

Realtime MVC Framework for Node.js
Pricing:
- Open Source
#Web Frameworks #Developer Tools #JavaScript Framework 25 social mentions
Laravel Landing Page
9

Laravel

A PHP Framework For Web Artisans
Pricing:
- Open Source
#Developer Tools #Web Frameworks #PHP Framework 194 social mentions
Flask Landing Page
10

Flask

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Pricing:
- Open Source
#Python Web Framework #Web Frameworks #Developer Tools 42 social mentions
Vue.js Landing Page
11

Vue.js

Reactive Components for Modern Web Interfaces
Pricing:
- Open Source
#Front-End Frameworks #Javascript UI Libraries #JS Library 341 social mentions
React Landing Page
12

React

A JavaScript library for building user interfaces
Pricing:
- Open Source
#Javascript UI Libraries #JS Library #JavaScript Framework 775 social mentions