CJam, 11 bytes

qN/W%zzW%N* 

Try it online in the CJam interpreter.

How it works

The idea in the same as in my Pyth answer.

q e# Read from STDIN. N/ e# Split at linefeeds. W% e# Reverse the resulting array. zz e# Transpose it twice. W% e# Reverse the resulting array. N* e# Join its strings; separate with linefeeds. 

CJam, 11 bytes

qN/W%zzW%N* 

Try it online in the CJam interpreter.

How it works

The idea in the same as in my Pyth answer.

q e# Read from STDIN. N/ e# Split at linefeeds. W% e# Reverse the resulting array. zz e# Transpose it twice. W% e# Reverse the resulting array. N* e# Join its strings; separate with linefeeds. 

CJam, 11 bytes

qN/W%zzW%N* 

Try it online in the CJam interpreter: permalink for Chrome | permalink for Firefox

How it works

The idea in the same as in my Pyth answer.

q e# Read from STDIN. N/ e# Split at linefeeds. W% e# Reverse the resulting array. zz e# Transpose it twice. W% e# Reverse the resulting array. N* e# Join its strings; separate with linefeeds. 

CJam, 11 bytes

qN/W%zzW%N* 

Try it online in the CJam interpreter.

How it works

The idea in the same as in my Pyth answer.

q e# Read from STDIN. N/ e# Split at linefeeds. W% e# Reverse the resulting array. zz e# Transpose it twice. W% e# Reverse the resulting array. N* e# Join its strings; separate with linefeeds. 

CJam, 11 bytes

qN/W%zzW%N* 

Try it online in the CJam interpreter: permalink for Chrome | permalink for Firefox

CJam, 11 bytes

qN/W%zzW%N* 

Try it online in the CJam interpreter: permalink for Chrome | permalink for Firefox

How it works

The idea in the same as in my Pyth answer.

q e# Read from STDIN. N/ e# Split at linefeeds. W% e# Reverse the resulting array. zz e# Transpose it twice. W% e# Reverse the resulting array. N* e# Join its strings; separate with linefeeds.