Koa Alternatives

Koa is described as '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' and is a Web Framework in the development category. There are more than 50 alternatives to Koa for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and Web-based apps. The best Koa alternative is Django, which is both free and Open Source. Other great apps like Koa are Supabase, Angular, Firebase and Ruby on Rails.

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Alternatives list

  1. KnockoutJS icon
     16 likes

    Knockout is a JavaScript library that helps you to create rich, responsive display and editor user interfaces with a clean underlying data model. Any time you have sections of UI that update dynamically (e.g.

    72 KnockoutJS alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  2. InstantDB icon
     3 likes

    Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.

    Cost / License

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  3. Flet icon
     1 like

    Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.

    50 Flet alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Python
    • Flutter
     
  4. FeathersJS icon
     13 likes

    Feathers is a real-time, micro-service web framework for NodeJS that gives you control over your data via RESTful resources, sockets and flexible plug-ins.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
    • Node.JS
     
  5. Polymer icon
     30 likes

    Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  6. Yii Framework icon
     33 likes

    Yii is a high-performance component-based PHP framework best for Web 2.0 development.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
  7. Fastify icon
     3 likes

    An efficient server implies a lower cost of the infrastructure, a better responsiveness under load and happy users. How can you efficiently handle the resources of your server, knowing that you are serving the highest number of requests possible, without sacrificing security...

    58 Fastify alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • JavaScript
    • Node.JS
     
  8. Opa icon
     10 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  9. Mojo.JS icon
     7 likes

    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
     
  10. Agile Toolkit icon
     25 likes

    Agile Toolkit is a PHP framework for developing Web User Interfaces. Inspired by desktop GUI it provides a full object-oriented foundation for Business and Presentation logic of your web software. Agile Toolkit is notable for it's simple of use and development efficiency.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
  11. CakePHP  icon
     20 likes

    CakePHP is a rapid development framework for PHP that provides an extensible architecture for developing, maintaining, and deploying applications. Using commonly known design patterns like MVC and ORM within the convention over configuration paradigm, CakePHP reduces development...

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • PHP
     
  12. ViUR.is icon
     6 likes

    ViUR – the Information System for the Google App Engine™ plattform – is a »sandbox« for designers and developers. With the help of ViUR you can easy build web applications running on Google's infrastructure.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
     
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