vapor/vapor

Analysis updated 2026-06-21

★ 26,053SwiftAudience · developerComplexity · 3/5LicenseSetup · moderate

Mindmap

mindmap
  root((repo))
    What it does
      HTTP server routing
      Database ORM Fluent
      Authentication helpers
    Tech Stack
      Swift language
      Linux and macOS
      Docker deployment
    Use Cases
      iOS app backends
      REST API servers
      Server-side websites
    Audience
      Swift developers
      iOS indie devs
      Apple-stack teams

mindmap root((repo)) What it does HTTP server routing Database ORM Fluent Authentication helpers Tech Stack Swift language Linux and macOS Docker deployment Use Cases iOS app backends REST API servers Server-side websites Audience Swift developers iOS indie devs Apple-stack teams

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What do people build with it?

USE CASE 1

Build a REST API backend for your iOS app in Swift so your entire product stack uses one programming language.

USE CASE 2

Create a server-rendered website in Swift without needing to learn a separate backend language like Python or Node.

USE CASE 3

Share data models and business logic between your Swift iOS app and your Vapor server backend.

USE CASE 4

Build webhook receivers, API proxies, or backend services in Swift and deploy them to Linux servers.

What is it built with?

Swift

How does it compare?

	vapor/vapor	permissionlesstech/bitchat	apple/container
Stars	26,053	25,805	26,368
Language	Swift	Swift	Swift
Setup difficulty	moderate	moderate	easy
Complexity	3/5	4/5	3/5
Audience	developer	developer	developer

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Swift 6 is supported, deployment to Linux servers requires Docker or a Swift-compatible Linux environment.

Use, modify, and distribute freely for any purpose including commercial projects, no restrictions.

In plain English

Vapor is a web framework for Swift, Apple's programming language best known for building iPhone and Mac apps, that lets developers use Swift to build the server-side backend of websites and APIs. This is a niche but genuinely useful proposition: if your team already writes iOS apps in Swift, Vapor lets you use the same language for the server, sharing code and developer skills across your entire product. A web framework is the foundation layer that handles the plumbing of a web server: receiving requests from browsers or apps, routing them to the right piece of code, connecting to databases, and sending back responses. Vapor handles all of that for Swift developers, giving them a clean, expressive way to build APIs (the connective tissue between apps and servers), websites, and cloud services. Swift is known for being fast, safe, and modern, and Vapor inherits those properties for server use. It's particularly appealing for indie developers and small teams building Apple-ecosystem products, you can write one language for your iPhone app and your backend server, rather than maintaining JavaScript or Python knowledge separately. Vapor has an active community with a Discord server, comprehensive documentation, and a healthy ecosystem of plugins and extensions. It's open source under the MIT license, meaning free to use in commercial projects with no restrictions. Support for Swift 6, the latest major version of the language, is included. For non-Swift developers or teams without an Apple-ecosystem focus, more popular choices like Node.js, Python/FastAPI, or Ruby on Rails would likely offer a larger ecosystem. But for Swift-first teams, Vapor is the go-to.

Copy-paste prompts

Prompt 1

Write a Vapor Swift REST API endpoint that accepts a JSON POST request, saves it to PostgreSQL using Fluent, and returns the saved record.

Prompt 2

How do I add JWT authentication to my Vapor app so users can log in and receive a signed token for subsequent requests?

Prompt 3

Show me how to deploy a Vapor Swift app to a Linux VPS using Docker and configure nginx as a reverse proxy in front of it.

Prompt 4

I have existing Swift data model structs in my iOS app. How do I reuse those same structs as Vapor Fluent database models?

Prompt 5

Create a Vapor middleware in Swift that rate-limits API requests to 100 per minute per IP address and returns 429 when exceeded.

Frequently asked questions

What is vapor?

Vapor is a free, open-source web framework for Swift that lets iOS and Mac developers build server-side APIs and websites using the same language they already know, no need to learn Python or JavaScript for the backend.

What language is vapor written in?

Mainly Swift. The stack also includes Swift.

What license does vapor use?

Use, modify, and distribute freely for any purpose including commercial projects, no restrictions.

How hard is vapor to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is vapor for?

Mainly developer.

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