The following is a list of frameworks on GitHub that are implemented purely in Swift. The frameworks are not linked against Foundation or other proprietary frameworks by Apple.
- SwiftFoundation Pure Swift Replacement for Apple's Foundation framework
- Basis Declarative Programming in Swift
- Box Box reference types, for recursive value types & misc.
- Result Swift type modelling the success/failure of arbitrary operations
- SwiftPriorityQueue Generic Priority Queue in Pure Swift
- SwiftGraph Graph Data Structure in Pure Swift
- Observable-Swift Value Observing and Events for Swift
- SwiftObserverSet NSNotificationCenter re-conceptualization for Swift
- PureSwiftUnit Simple Swift Unit testing framework
- cURLSwift Pure Swift wrapper for cURL
- SwiftyHTTP A simple GCD based HTTP client and server
- SwiftSockets A simple GCD based socket wrapper for Swift.
- SnapHTTP An incredibly simple HTTP client library for Swift.
- json-swift A basic library for working with JSON in Swift.
- Swift-JsonSerializer JSON serializer and deserializer
- PureJSON JSON in Swift 2.0
- JSON-and-Swift Complete types written in pure Swift for parsing, serializing and constructing from custom objects
- SwiftyExpat Pure Swift wrapper for the Expat XML parser
- AsyncAwait A simple ascyncronous API written in Swift (like .NET async)
- Safe Modern Concurrency and Synchronization for Swift
- Signal Pure Swift wrapper around GCD
- CryptoSwift Crypto related functions and helpers for Swift implemented in Swift programming language
- SwiftyBase64 Native Swift Base64 Encoding
- CommandLine A pure Swift library for creating command-line interfaces
- SwiftExP S-expression Parser
- Swift-StringFormat A pure Swift sprintf-like string formatter.
- SINQ Swift Integrated Query
- SwiftlyLRU Pure Swift Least Recently Used "LRU" Cache
- Transporter Modern finite-state machine implemented in pure Swift
- GoSwift Go Goodies for Swift. Including goroutines, channels, defer, and panic.
- DeflateSwift Deflate Compression for Swift