Opa is an open source, simple and unified platform for writing web applications. All aspects are directly written in Opa: Frontend code, backend code, database queries and configuration. And everything is strongly statically typed.
Nombo Alternatives
Nombo is described as 'Open Source Node.js framework that allows you to easily build Rich Cloud Applications' and is an app in the development category. There are more than 50 alternatives to Nombo for a variety of platforms, including Mac, Windows, Linux, Web-based and Self-Hosted apps. The best Nombo alternative is jQuery, which is both free and Open Source. Other great apps like Nombo are Angular, Meteor, Express and DHTMLX.
Alternatives list
A non-opinionated, totally customizable JavaScript framework designed for writing programs that scale across any platform.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Online
Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API.
Cost / License
- Free
- Open Source
Platforms
- Online
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Expressive middleware for node.js using generators via co to make web applications and APIs more enjoyable to write. Koa's middleware flow in a stack-like manner allowing you to perform actions downstream, then filter and manipulate the response upstream.
Sails.js make it easy to build custom, enterprise-grade Node.js apps. It is designed to mimic the MVC pattern of frameworks like Ruby on Rails, but with support for the requirements of modern apps: data-driven APIs with scalable, service-oriented architecture.
Aurelia is a JavaScript client framework that leverages simple conventions to empower your creativity.

Dojo Toolkit is an open source modular JavaScript library (or more specifically JavaScript toolkit) designed to ease the rapid development of cross-platform, JavaScript/Ajax-based applications and web sites.
Cost / License
- Free
- Open Source
Platforms
- Online
The Famous Engine is a free and open source JavaScript rendering engine. What makes the Famous Engine unique is its JavaScript rendering engine and 3D physics engine that gives developers the power and tools to build native quality apps and animations using pure JavaScript.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- JavaScript
Durandal is a cross-device, cross-platform client framework written in JavaScript and designed to make Single Page Applications (SPAs) easy to create and maintain.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Ractive.js is a template-driven UI library that transforms your templates, styles and logic into blueprints for highly interactive apps. Ractive.js works for you, not the other way around. You do not need to learn new terminologies, concepts, and methodologies.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux




































