XCode下载地址及MD5验证
https://github.com/iBcker/adcdownload
http://stackoverflow.com/questions/10335747/how-to-download-xcode-4-5-6-7-and-get-the-dmg-file
7.x
Xcode_7.1.1.dmg提取码：579f
MD5:25e4af4f0a0251e08446cd51485041f1
SHA-1:33163b3cbff846224a2661c08ef8e737f0da0762
Xcode_7.2_bate.dmg提取码：f04a
MD5:bc0aee1f7447dce969a971265ddf90f9
SHA-1:ecb3aadd8a3d6f0208ba857c23813f5a44208d4e
Xcode_7.1.dmg提取码：b349
MD5:8962e1a843a51232b92a908b6cfb180d
SHA-1:d4e9b9e8e33eb2cc7793143761404fbb650090d4
Xcode_7.0.1.dmg提取码：295a
MD5:3702b5291ed8127781158eb6a79d03cb
SHA-1:f750bd86359383a77d4b57714b05e6725eaec76c
Xcode_7.1_beta_3.dmg提取码：5ba5
MD5:5498cdd8f4efb921295c6af4134d3b44
SHA-1:610c348f9f18c1dfe30119fbb0d9544e7b7c549c
Xcode_7.1_beta_2.dmg提取码：54bb
MD5:525216ab46332614d805f080ed4754f0
SHA-1:3e7b9dc70bc986f0a8e7b153b39e34dad4e56080
Xcode_7.1_beta.dmg提取码：885b
MD5:73c0d39de38953b16be0fa7792f0b401
SHA-1:11667b8f7d4167c791789f29a44bb375916f93e6
Xcode_7.dmg提取码：c539
MD5:6be3e59a8a8d2ce40fb2076575d71c24
SHA-1:4afc067e5fc9266413c157167a123c8cdfdfb15e
6.x
Xcode_6.4.dmg密码:0b26
MD5:fc57760b91df8d45ee57ba80436e49a9
SHA-1:672e3dcb7727fc6db071e5a8528b70aa03900bb0
xcode_6.3.2.dmg提取码：0cbe
MD5:a61d18cc7abf5de83f24ae7dc4ee281a
SHA-1:f6a909c476eb154f0138a4b5d91843ade8b18b90
xcode_6.1.1.dmg提取码：0390
MD5:00773faa3ddc9a0b7b94bab8496aa522
SHA-1:a54e4b327889e3ee3c952ef5292adc076c21df02
xcode_6.1.dmg提取码：8b04
MD5:495999439d9a8d8b69a7de8e002e67ac
SHA-1:4fc070a1347cc880ab2ed2225a7c9e4d5d6515c0
5.x
xcode_5.1.1.dmg提取码：e323
MD5:99b22d57e71bdc86b8fbe113dfb9f739
SHA-1:e4bb45174324c3a4b7c66fa1db1083ccbbe2334e
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Xcode7
7.2beta:https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_7.2_beta/Xcode_7.2_beta.dmg
7.1.1:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/Xcode_7.1.1/Xcode_7.1.1.dmg
7.0.1:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/Xcode_7.0.1/Xcode_7.0.1.dmg
Xcode6
6.4:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/Xcode_6.4/Xcode_6.4.dmg
6.3.2:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/Xcode_6.3.2/Xcode_6.3.2.dmg
6.2:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/Xcode_6.2/Xcode_6.2.dmg
6.1.1:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_6.1.1/xcode_6.1.1.dmg
6.0.1:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_6.0.1/xcode_6.0.1.dmg
Xcode5
5.1.1:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_5.1.1/xcode_5.1.1.dmg
5.0.2:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_5.0.2/xcode_5.0.2.dmg
Xcode4
4.6.3:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.6.3/xcode4630916281a.dmg
4.5.2:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.5.2/xcode4520418508a.dmg
4.4.1:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.4.1/xcode_4.4.1_6938145.dmg
4.3.2:https://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.3.2/xcode_432_lion.dmg
4.2:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.2_for_lion_21264/installxcode_42_lion.dmg
4.1:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.1_for_lion_21263/installxcode_41_lion.dmg
4.0.2:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_4.0.2_and_ios_sdk_4.3/xcode_4.0.2_and_ios_sdk_4.3.dmg
EvenOlderVersions
3.2.6:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_3.2.6_and_ios_sdk_4.3__final/xcode_3.2.6_and_ios_sdk_4.3.dmg
3.1.4:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_3.1.4_developer_tools/xcode314_2809_developerdvd.dmg
3.0:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_3.0/xcode_3.0.dmg
2.5:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_2.5_developer_tools/xcode25_8m2558_developerdvd.dmg
2.4.1:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_2.4.1/xcode_2.4.1_8m1910_6936315.dmg
2.3:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_2.3/xcode_2.3_8m1780_oz693620813.dmg
2.2.1:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_tools_2.2.1/xcode_2.2.1_8g1165_018213632.dmg
1.5:http://developer.apple.com/devcenter/download.action?path=/Developer_Tools/xcode_v1.5/xcode_tools_1.5_cd.dmg.bin
1.0:http://developer.apple.com/devcenter/download.action?path=/Mac_OS_X/Mac_OS_X_10.3_Build_7B85/7B85_Xcode_CD.dmg