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Koa vs Sails.js: What are the differences?
What is Koa? Next generation web framework for node.js. Koa aims to be a smaller, more expressive, and more robust foundation for web applications and APIs. Through leveraging generators Koa allows you to ditch callbacks and greatly increase error-handling. Koa does not bundle any middleware.
What is Sails.js? Realtime MVC Framework for Node.js. Sails 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.
Koa and Sails.js can be primarily classified as "Microframeworks (Backend)" tools.
Koa and Sails.js are both open source tools. It seems that Koa with 26.6K GitHub stars and 2.42K forks on GitHub has more adoption than Sails.js with 20.7K GitHub stars and 1.85K GitHub forks.
Hostr, Dial Once, and Pubu are some of the popular companies that use Koa, whereas Sails.js is used by Redox Engine, HYPH, and LapNghiep. Koa has a broader approval, being mentioned in 44 company stacks & 31 developers stacks; compared to Sails.js, which is listed in 32 company stacks and 13 developer stacks.
Pros of Koa
- REST API1
Pros of Sails.js
- Data-driven apis49
- Waterline ORM47
- Easy rest32
- Open source21
- Service-oriented architecture19
- Convension over configuration10
- Rails-like asset pipeline9
- Node machines and machinepacks9
- Easy route/controller generation7
- Ruby on Rails basic stuff for JS devs6
- CLI for scaffolding project pieces3
- WebSocket support3
- Supportive community1
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Cons of Koa
Cons of Sails.js
- Waterline ORM5
- Defaults to VueJS4
- Standard MVC0