Xcode 9.4.1

https://download.developer.apple.com/Developer_Tools/Xcode_9.4.1/Xcode_9.4.1.xip

Xcode 9.4

https://download.developer.apple.com/Developer_Tools/Xcode_9.4/Xcode_9.4.xip

Xcode 9.3.1

https://download.developer.apple.com/Developer_Tools/Xcode_9.3.1/Xcode_9.3.1.xip

Xcode 9.3

https://download.developer.apple.com/Developer_Tools/Xcode_9.3/Xcode_9.3.xip

Xcode 9.2

https://download.developer.apple.com/Developer_Tools/Xcode_9.2/Xcode_9.2.xip

Xcode 9.1

https://download.developer.apple.com/Developer_Tools/Xcode_9.1/Xcode_9.1.xip

Xcode 9.0.1

https://download.developer.apple.com/Developer_Tools/Xcode_9.0.1/Xcode_9.0.1.xip

Xcode 9

https://download.developer.apple.com/Developer_Tools/Xcode_9/Xcode_9.xip

Xcode 8.3.3

https://download.developer.apple.com/Developer_Tools/Xcode_8.3.3/Xcode8.3.3.xip

Xcode 8.3.2

https://download.developer.apple.com/Developer_Tools/Xcode_8.3.2/Xcode8.3.2.xip

Xcode 8.3.1

https://download.developer.apple.com/Developer_Tools/Xcode_8.3.1/Xcode_8.3.1.xip

連結提取方法請參考我的CSDN文章

https://blog.csdn.net/annkie/article/details/48625519

官方離線下載地址入口

https://developer.apple.com/download/more/

Xcode 10.1 (xip) 官方直接下載地址(離線下載）

### Xcode 10.1

https://download.developer.apple.com/Developer_Tools/Xcode_10.1/Xcode_10.1.xip

### Xcode 10
https://download.developer.apple.com/Developer_Tools/Xcode_10/Xcode_10.xip

### Xcode 9.4.1
https://download.developer.apple.com/Developer_Tools/Xcode_9.4.1/Xcode_9.4.1.xip
### Xcode 9.4
https://download.developer.apple.com/Developer_Tools/Xcode_9.4/Xcode_9.4.xip

Xcode 9.3
 http://adcdownload.apple.com/Developer_Tools/Xcode_9.3/Xcode_9.3.xip
Xcode 8.3.1
 http://adcdownload.apple.com/Developer_Tools/Xcode_8.3.1/Xcode_8.3.1.xip
Xcode 8.2.1
 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2.1/Xcode_8.2.1.xip
Xcode 8.2
 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2/Xcode_8.2.xip
Xcode 8.1
 http://adcdownload.apple.com/Developer_Tools/Xcode_8.1/Xcode_8.1.xip
Xcode 8.0
 http://adcdownload.apple.com/Developer_Tools/Xcode_8/Xcode_8.xip
 

Xcode 7
7.3.1:https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.3.1/Xcode_7.3.1.dmg
7.3: https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.3/Xcode_7.3.dmg
7.2.1:https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.2.1/Xcode_7.2.1.dmg
7.2 : https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.2/Xcode_7.2.dmg
7.1.1: https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.1.1/Xcode_7.1.1.dmg
7.1 : https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.1/Xcode_7.1.dmg
7.0 : https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7/Xcode_7.dmg
 

我把獲取離線下載地址的方法貼出來：(官方地址已經變更：https://developer.apple.com/download/more/）

OS X dmg地址可以拼裝出來，但是好像需要開發者賬號才能下載。

比如：OS X 10.11

https://developer.apple.com/services-account/download?path=/Developer_Tools/OS_X/OS_X_Yosemite_10.11_build_15A178W/OSX10.11.dmg
https://developer.apple.com/services-account/download?path=/Developer_Tools/OS_X/OS_X_Yosemite_10.11_build_15A178W/OSXUpd10.11.dmg

https://developer.apple.com/services-account/download?path=/Developer_Tools/OS_X/OS_X_Yosemite_10.11_build_15A178W/OSXUpdCombo10.11.dmg

Xcode 8.2.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2.1/Xcode_8.2.1.xip
Xcode 8.2.1

 http://adcdownload.apple.com/Developer_Tools/Xcode_8.2.1/Xcode_8.2.1.xip

參考文件:

https://www.jianshu.com/p/bbfc35574464

https://blog.csdn.net/annkie/article/details/48625519