🆚 Koa vs. Sails

Compare technologies based on real-world usage data *

Type

Backend framework
Backend framework

About

Koa is an expressive HTTP middleware framework for Node.js using ES2017 async functions.

Designed by the team behind Express, it offers a modular architecture, allowing developers to compose middleware functions for routing, error handling, and context management, providing fine-grained control over the request-response cycle.

Sails is an enterprise-grade MVC framework for Node.js designed to build data-driven APIs and realtime web applications.

It includes the Waterline ORM for working with multiple databases, auto-generated REST endpoints via blueprints, front-end agnosticism, WebSocket support out of the box, and reusable security policies.

Headquarters

Austin, Texas, United States

Website

Pricing

Free ✔️Open source
Free ✔️Open source

Categories

Backend Frameworks › Rank #46
Backend Frameworks › Rank #37

Popularity

Determined by the number of sites using each technology.

The Sails backend framework is 3 times more popular than Koa.
Total websites

Market share

Backend Frameworks

Popularity by country

Determined by the number of sites detected from each country.

Sails is more popular in Japan, France, and Germany, while Koa is more popular in the United States, Sweden, and China.
Japan
United States
France
United Kingdom
Sweden
Netherlands
China
Germany
India
Singapore

Awards

Popularity by domain category

Determined by the number of sites in each category.

Sails is more popular among sites focused on business, Internet services, and travel, while Koa is more commonly used on marketing and merchandising, online shopping, and health sites.
Business
Marketing/Merchandising
Education/Reference
Online Shopping
Health
Internet Services
Content Server
Travel
Blogs/Wiki
Forum/Bulletin Boards

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#20,593
#26,400
#31,978
View more ➝
Name
Rank
#33,345
#33,913
#119,879
#120,893
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.