Swift Extensions

Open-source Swift projects categorized as Extensions

Top 11 Swift Extension Projects

  1. SwifterSwift

    A handy collection of more than 500 native Swift extensions to boost your productivity.

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. VersaPlayer

    Versatile Video Player implementation for iOS, macOS, and tvOS

  4. SwiftyUtils

    All the reusable code that we need in each project

  5. SwiftBoost

    Collection of Swift-extensions to boost development process.

  6. ExtensionKit

    Helpful extensions for iOS app development 🚀

  7. PreviewMarkdown

    QuickLook Markdown preview and icon thumbnailing app extensions for macOS Catalina and beyond

    Project mention: Apple Notes Expected to Gain Markdown Support in iOS 26 | news.ycombinator.com | 2025-06-04

    Part of the point of Markdown is that it's supposed to read like plain text - many of the elements is what was commonplace on usenet and in email.

    If you're on macOS though, the best option for rendered Markdown is a quicklook plugin. There are a few around - I like [1] though.

    [1]: https://github.com/smittytone/PreviewMarkdown

  8. VCore

    VCore is a Swift collection containing objects, functions, and extensions that I use in my projects

  9. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo
  10. AEExtensionKit

    AEExtensionKit is a dynamic library which is shared between AuroraEditor and extensions. It allows them to understand one another.

  11. STDevRxExt

    STDevRxExt contains some extension functions for RxSwift and RxCocoa which makes our live easy.

  12. CCNextField

  13. Casimir

    Complex extension suite for Multiplatform  Stack (SwiftUI, Combine, SPM, Async/Await) (by przemek-jablonski)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Swift Extensions discussion

Log in or Post with

Swift Extensions related posts

  • Mastering Github Actions for iOS

    2 projects | /r/iOSProgramming | 14 Sep 2021
  • I added publishers to CLLocationManger!

    1 project | /r/iOSProgramming | 6 May 2021
  • What is your most used or favorite View extension?

    1 project | /r/iOSProgramming | 24 Apr 2021

Index

What are some of the best open-source Extension projects in Swift? This list will help you:

# Project Stars
1 SwifterSwift 14,576
2 VersaPlayer 806
3 SwiftyUtils 560
4 SwiftBoost 211
5 ExtensionKit 134
6 PreviewMarkdown 54
7 VCore 53
8 AEExtensionKit 8
9 STDevRxExt 7
10 CCNextField 3
11 Casimir 1

Sponsored
InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com

Did you know that Swift is
the 15th most popular programming language
based on number of references?