開源項目集錦（持續更新）...

1. Coding iOS 客戶端

Coding官方客戶端. 筆者強烈推薦的值得學習的完整APP.
GitHub - Coding/Coding-iOS: Coding iOS 客戶端源代碼

2. OSCHINA 的 iPhone 客戶端
開源中國的iPhone客戶端源碼
https://git.oschina.net/oschina/iphone-app

3. Git@OSC

Git@OSC iPhone 客戶端，方便用戶查看Git@OSC的項目以及簡單的操作issue等
oschina / git-osc-iphone

4. Firefox for iOS

GitHub - mozilla/firefox-ios: Firefox for iOS

5. zulip-ios
Dropbox收購公司內部社交服務商Zulip,然後全部開源，這是iOS App
GitHub - zulip/zulip-ios: Zulip iOS app

6. iOSSF
SegmentFault官方App
GitHub - gaosboy/iOSSF: SegmentFault官方App

7. iReddit
Reddit iPhone客戶端
GitHub - reddit/iReddit: The iReddit iPhone app

8. Monkey
GitHub第三方iOS客戶端
GitHub - coderyi/Monkey: Monkey is a GitHub third party client for iOS,to show the rank of coders and repositories.

9. Watch
Dribbble第三方客戶端
GitHub - tuesda/Watch: A project which demonstrate how to develop a custom client on android for dribbble.com

10. Voice2Note
懶人筆記iOS客戶端
GitHub - liaojinxing/Voice2Note: 懶人筆記iOS客戶端

11. RSSRead
“已閱”（iOS上開源RSS新聞閱讀器）
GitHub - ming1016/RSSRead: “已閱”（iOS上開源RSS新聞閱讀器），有興趣？那就Pull Requests吧

12. BeeFancy
BeeFancy仿Fancy官方APP的WIREFRAME，基於BeeFramework
GitHub - BeeFramework/BeeFancy: 仿Fancy官方APP的WIREFRAME，基於BeeFramework

13. SXNews
模仿網易新聞做的精仿網易新聞
GitHub - dsxNiubility/SXNews: High imitation Neteasy News. (include list,detail,photoset,weather,feedback)

14. Doppio
尋找最近的星巴克
GitHub - chroman/Doppio: An open source iOS app to find the nearest Starbucks store using NSURLSession, AFNetworking 2.0, Mantle and Starbucks private API.

15. Anypic
類似於Instagram的一款App
GitHub - ParsePlatform/Anypic: An open source mobile and web app that lets users share photos similar to Instagram

16. 豆瓣相冊
Slowslab iOS應用 豆瓣相冊 精選集 開源項目
GitHub - TonnyTao/DoubanAlbum: Slowslab iOS應用 豆瓣相冊 精選集 開源項目，僅供學習參考

17. ChatSecure-iOS
Objective-C寫的XMPP聊天應用
GitHub - ChatSecure/ChatSecure-iOS: ChatSecure is a free and open source encrypted chat client for iPhone and Android that supports OTR encryption over XMPP.

18. NotificationChat
Objective-C寫的完整的聊天應用
GitHub - relatedcode/EncryptedChat: This is a full native iPhone app to create realtime, text based group or private chat with Parse and Firebase.

19. FakeZhihuDaily
仿知乎日報iOS客戶端
GitHub - gnou/FakeZhihuDaily: 仿知乎日報iOS客戶端

20. ruby-china-for-ios
RubyChina官方客戶端
GitHub - ruby-china/ruby-china-for-ios: Ruby China client for iOS

21. Meizi
豆瓣妹子圖iOS客戶端
GitHub - Sunnyyoung/Meizi: 豆瓣妹子圖iOS客戶端

22. PlainReader
一款 iOS(iPhone + iPad) 新聞類客戶端，內容抓取自 http://cnBeta.com
PlainReader/PlainReader at master · guojiubo/PlainReader · GitHub

23. iOS-2048
用Objective-C實現的2048遊戲
GitHub - austinzheng/iOS-2048: iOS drop-in library presenting a 2048-style game

24. ECMobile_iOS
基於ECShop的手機商城客戶端
GitHub - GeekZooStudio/ECMobile_iOS: 基於ECShop的手機商城客戶端

25. wikipedia-ios
維基百科官方App, 已上架
GitHub - wikimedia/wikipedia-ios: The official Wikipedia iOS app.

26. Sol
漂亮的扁平風格的天氣App
GitHub - comyarzaheri/Sol: Sol° beautifully displays weather information so you can plan your day accordingly. Check the weather in your current location or any city around the world. Implemented in Objective-C.

27. v2ex
v2ex第三方iOS客戶端
v2ex/v2ex-iOS at master · singro/v2ex · GitHub

28. MyOne-iOS
用OC寫的《一個》 iOS 客戶端
GitHub - meilbn/MyOne-iOS: 我的《一個》 iOS 客戶端（OC）

29. WNXHuntForCity
高仿城覓2.0 by-objective-c
GitHub - ZhongTaoTian/WNXHuntForCity: 高仿城覓by-objective-c

30. viewfinder
移動支付公司 Square 將去年收購的照片應用 Viewfinder 開源了，包含服務端、iOS 和 Android 應用代碼
GitHub - viewfinderco/viewfinder: Viewfinder client and server code

31. breadwallet
breadwallet iOS bitcoin wallet
GitHub - voisine/breadwallet: breadwallet

32. novel-design
品趣iOS客戶端
GitHub - ltebean/novel-design: PinQu ios client

33. WWDC-2014
WWDC客戶端
GitHub - indragiek/WWDC-2014: Scholarship submission for WWDC 2014

34. GreatReader
GreatReader PDF閱讀客戶端
GitHub - semweb/GreatReader: A "great" PDF reader for iOS. Available on the App Store.

35. Tropos
天氣客戶端
GitHub - thoughtbot/Tropos: Weather and Forecasts for Humans

36. manong-reading
《猿已閱》碼農週刊iOS客戶端
GitHub - icepy/manong-reading: 《猿已閱》碼農週刊iOS客戶端

37. YoCelsius
一款天氣預報的應用
GitHub - YouXianMing/YoCelsius: 一款天氣預報的應用（已在AppStore上線）

38. 密記iOS版
本應用主要功能是簡單筆記
GitHub - iHTCboy/SecurityNote: 密記iOS版，第一個開發的完整iOS應用，本應用主要功能是簡單筆記。The application of the main function is a simple notes.

39. phphub-ios

PHPHub for iOS is the universal iPhone and iPad application for PHPHub PHPHub - PHP & Laravel的中文社區
GitHub - Aufree/phphub-ios: PHPHub for iOS is the universal iPhone and iPad application for PHPHub

40. Brushes

繪圖應用. Painting app for the iPhone and iPad.
GitHub - sprang/Brushes: Painting app for the iPhone and iPad.

41. Inkpad
繪圖應用. Inkpad is a vector illustration app designed from scratch for the iPad.
GitHub - sprang/Inkpad: Vector illustration app for the iPad.

42. wh-app-ios

美國白宮（WhiteHouse）的官方app.
GitHub - WhiteHouse/wh-app-ios

43. cheddar-ios
一款日程管理軟件.
GitHub - nothingmagical/cheddar-ios: Cheddar for iOS

44. newsyc
Hacker News的iPhone客戶端
GitHub - Xuzz/newsyc: An iPhone Hacker News client.

45. WordPress for iOS

WordPress iOS官方客戶端. 筆者強烈推薦的開源項目.
GitHub - wordpress-mobile/WordPress-iOS: WordPress for iOS

46. WikiHow
Wikihow–WikiHow的官方app.
GitHub - tderouin/wikiHow-iPhone-Application: The code for the wikihow's iphone app

47. Dollar Bets
記錄你和朋友打賭的內容.
GitHub - Rich86man/Dollar-Bets: An iPhone app to keep track of your Dollar Bets

48. Dozuki
iFixit網站的互動修理手冊
GitHub - iFixit/iFixit-iOS: iFixit's iOS app for iPad, iPhone, and iPod touch

49. Last.fm
Last.fm 的客戶端，國外很火的私人電臺.
GitHub - lastfm/lastfm-iphone: The official Last.fm iPhone application

50. ioctocat
GitHub第三方客戶端.
GitHub - dennisreimann/ioctocat: iOctocat v1

51. iTunesPicker
類似AppStore的一個應用
GitHub - appcornerit/iTunesPicker: Discover, search and compare world rankings for apps, ibooks, movies, music videos and music from iTunes (and AppStore) in any available country.

52. TeamTalk
蘑菇街TeamTalk. 開源IM. 筆者強烈推薦.
GitHub - mogujie/TeamTalk: TeamTalk is a solution for enterprise IM

53. shadowsocks-iOS

翻牆工具Shadowsocks. Github目前代碼已經被移除, 不過2.6.3的還是保留着.

GitHub - shadowsocks/shadowsocks-iOS at 2.6.3: Removed according to regulations.

54. MessageDisplayKit
一個類似微信App的IM應用，擁有發送文字、圖片、語音、視頻、地理位置消息，管理本地通信錄、分享朋友 圈、漂流交友、搖一搖和更多有趣的功能。筆者推薦的學習IM的好東西.
GitHub - xhzengAIB/MessageDisplayKit: An IM App like WeChat App has to send text, pictures, audio, video, location messaging, managing local address book, share a circle of friends, drifting friends, shake a fun and more interesting features.

55. NewsBlur
個人新聞閱讀器.
NewsBlur/clients/ios at master · samuelclay/NewsBlur · GitHub

56. VLC for iOS
VLC媒體播放器. 官方頁面提供源代碼下載.
http://www.videolan.org/vlc/download-ios.html

57. Frameless - 全屏Web瀏覽器
GitHub - stakes/Frameless: A chromeless web browser for viewing prototypes.

58.

iBBS-Swift

一款用Swift寫的BBS客戶端

SmallDay

用Swift 實現的高仿小日子

Swift-Radio-Pro

Professional Radio Station App, created w/ Swift 2.0

zulip-ios

Dropbox收購公司內部社交服務商Zulip,然後全部開源，這是iOS App

DesignerNewsApp

Build a Swift App as a designer

firefox-ios

Firefox for iOS

iphone-app

開源中國的iPhone客戶端源碼

Git@OSC

Git@OSC iPhone 客戶端，方便用戶查看Git@OSC的項目以及簡單的操作issue等

Coding

Coding官方客戶端 GitHub地址

Coding iPad版

Coding官方客戶端

iOSSF

SegmentFault官方App

ioctocat

GitHub第三方客戶端

iTunesPicker

類似AppStore的一個應用

Doppio

尋找最近的星巴克

swiftmi-app

http://swiftmi.com app版本 採用Swift實現

Cheddar

一個日程管理的App

BeeFancy

仿Fancy官方APP的WIREFRAME，基於BeeFramework

Anypic

類似於Instagram的一款App

SXNews

模仿網易新聞做的精仿網易新聞

iReddit

Reddit iPhone客戶端

readdit

Reddit iPad客戶端

豆瓣相冊

Slowslab iOS應用 豆瓣相冊 精選集 開源項目

ChatSecure-iOS

Objective-C寫的XMPP聊天應用

NotificationChat

Objective-C寫的完整的聊天應用

Swift-ZhihuDaily

用Swift實現的仿知乎日報應用

FakeZhihuDaily

仿知乎日報iOS客戶端

edhita

用Swift實現的iOS平臺開源文本編輯器。

ruby-china-for-ios

RubyChina官方客戶端

Meizi

豆瓣妹子圖iOS客戶端

HackerNews

用Swift寫的Hacker News 閱讀 iOS App

SwiftHN

另外一個用Swift寫的Hacker News 閱讀App

News-YC

Hacker News閱讀類iOS App

twidere

twitter 第三方客戶端

2048

用SpriteKit實現的2048遊戲

PlainReader

一款 iOS(iPhone + iPad) 新聞類客戶端，內容抓取自 http://cnBeta.com

swift-2048

用Swift實現的2048遊戲

iOS-2048

用Objective-C實現的2048遊戲

FlappySwift

用swift實現的flappy bird遊戲

ECMobile_iOS

基於ECShop的手機商城客戶端

kxmovie

用ffmpeg寫的iOS視頻播放器

wikipedia-ios

維基百科官方App, 已上架

Sol

漂亮的扁平風格的天氣App

Project-RainMan

用Swift寫的天氣類App

SwiftWeather

用Swift寫的天氣類App

v2ex

v2ex第三方iOS客戶端

V2EXClient

Swift實現的V2EX iOS客戶端

VPNOn

VPN連接管理,支持Apple Watch,已上架

Monkey

GitHub第三方iOS客戶端

JokeClient-Swift

基於swift,用糗事百科的API簡單做了一個糗百客戶端,可以瀏覽各種段子,瀏覽搞笑圖片,查看精彩評論等.

Watch

Dribbble第三方客戶端

MyOne-iOS

用OC寫的《一個》 iOS 客戶端

BaiduFM-Swift

百度FM swift語言實現

WNXHuntForCity

高仿城覓2.0 by-objective-c

Tomate

圓盤式計時器

eigen

The Art World in Your Pocket or Your Trendy Tech Company's Tote, Artsy's iOS app.

WWDC

WWDC app for OS X

Voice2Note

懶人筆記iOS客戶端

viewfinder

移動支付公司 Square 將去年收購的照片應用 Viewfinder 開源了，包含服務端、iOS 和 Android 應用代碼

RSSRead

“已閱”（iOS上開源RSS新聞閱讀器）

breadwallet

breadwallet iOS bitcoin wallet

novel-design

品趣iOS客戶端

Brushes

iPhone和iPad上的畫圖軟件

Concurrency

貨幣換算軟件

WhoCall

誰CALL我 - iOS來電信息語音提醒

Mogo-iOS

Mogo羣聊客戶端

WWDC-2014

WWDC客戶端

the-oakland-post

Swift寫的Oakland客戶端

GreatReader

GreatReader PDF閱讀客戶端

Tropos

天氣客戶端

manong-reading

《猿已閱》碼農週刊iOS客戶端

https://github.com/vsouza/awesome-ios#calendar

https://github.com/dkhamsing/open-source-ios-apps/blob/master/README.md