Small Archives (small-archives) free WordPress plugin

Small Archives is monthly archive widget, display smaller list in the sidebar.

[before]

Dec. 2013
Nov. 2013
Oct. 2013
Sep. 2013
…

[after]

2013
1 2 3 4 5 6 7 8 9 10 11 12
2012
1 2 3 4 5 6 7 8 9 10 11 12
…