Koa VS deno

Compare Koa vs deno and see what are their differences.

Koa

Expressive middleware for node.js using ES2017 async functions (by koajs)

deno

A modern runtime for JavaScript and TypeScript. (by denoland)
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Koa deno
71 446
34,767 92,681
0.3% 0.7%
5.4 9.9
7 days ago about 19 hours ago
JavaScript Rust
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Koa

Posts with mentions or reviews of Koa. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-12.

deno

Posts with mentions or reviews of deno. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-05.
  • I have created a small anti-depression script
    4 projects | dev.to | 5 Mar 2024
    Install Node.js (or Bun, or Deno, or whatever JS runtime you prefer) if it's not there
  • Unison Cloud
    7 projects | news.ycombinator.com | 7 Feb 2024
    So as an end user it's kind of like https://deno.com/ where you buy into a runtime + comes prepacked with DBs (k/v stores), scheduling, and deploy stuff?

    > by storing Unison code in a database, keyed by the hash of that code, we gain a perfect incremental compilation cache which is shared among all developers of a project. This is an absolutely WILD feature, but it's fantastic and hard to go back once you've experienced it. I am basically never waiting around for my code to compile - once code has been parsed and typechecked once, by anyone, it's not touched again until it's changed.

    Interesting. Whats it like upgrading and managing dependencies in that code? I'd assume it gets more complex when it's not just the Union system but 3rd party plugins (stuff interacting with the OS or other libs).

  • Deno in 2023
    8 projects | news.ycombinator.com | 5 Feb 2024
    ~90MB+ at this stage and do now allow compression without erroring out. Deploying ala Golang is not feasible at that level but could well be down the line if this dev branch is picked up again!

    The exe output grew from from ~50MB to plus ~90MB from 2021 to 2024: https://github.com/denoland/deno/discussions/9811 which mean Deno is worse than Node.js's pkg solution by a decent margin.

  • Mini site for recommending songs using Svelte & Deno
    2 projects | dev.to | 3 Feb 2024
    Behind the scenes is a simple Sveltekit-powered server function to fetch a Spotify client token then find a user's recommendation playlist and its track information. A Deno edge function to performs this data fetch and renders server-side Svelte.
  • Supercharge your app with user extensions using Deno JavaScript runtime
    4 projects | dev.to | 24 Jan 2024
    If your application is written in JavaScript, integrating it with JavaScript extensions is a no-brainer. However, Secutils.dev is entirely written in Rust. How would I even begin? Fortunately, I recently came across an excellent blog post series explaining how to implement your JavaScript runtime in a Rust application with Deno:
    4 projects | dev.to | 24 Jan 2024
    Protecting against memory-hungry scripts in Deno is more challenging. I won't go into details about how it works and instead direct you to the issue in the Deno repository with all the details. In short, you need to create a JavaScript runtime with a specific heap limit and add a callback that's invoked when the memory limits are approached. This gives you a chance to terminate the execution before Deno/V8 crashes the entire process.
  • Oxlint – written in Rust – 50-100 Times Faster than ESLint
    13 projects | news.ycombinator.com | 15 Dec 2023
  • Deno Cron
    15 projects | news.ycombinator.com | 29 Nov 2023
    15 projects | news.ycombinator.com | 29 Nov 2023
    Thank you for the detailed feedback. Deno 1.38.4 was just released with a partial fix for the VSCode issue you mentioned. We're fixing the twisted issue too.

    https://github.com/denoland/deno/issues/21389

    15 projects | news.ycombinator.com | 29 Nov 2023
    This is being worked on: https://github.com/denoland/deno/issues/21122. Should be available with the next Deno release.

What are some alternatives?

When comparing Koa and deno you can also consider the following projects:

Nest - A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Next.js - The React Framework

fastify - Fast and low overhead web framework, for Node.js

ASP.NET Core - ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

typescript-language-server - TypeScript & JavaScript Language Server

Express - Fast, unopinionated, minimalist web framework for node.

pnpm - Fast, disk space efficient package manager

esbuild - An extremely fast bundler for the web

bun - Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

loopback-next - LoopBack makes it easy to build modern API applications that require complex integrations.

feathers - The API and real-time application framework

AdonisJs Framework - AdonisJS is a TypeScript-first web framework for building web apps and API servers. It comes with support for testing, modern tooling, an ecosystem of official packages, and more.