gource

gource:
GNU GPL v3
Gource is a software version control visualization tool.

Software projects are displayed by Gource as an animated tree with the root directory of the project at its centre. Directories appear as branches with files as leaves. Developers can be seen working on the tree at the times they contributed to the project.

Currently Gource includes built-in log generation support for Git, Mercurial and Bazaar and SVN (as of 0.29). Gource can also parse logs produced by several third party tools for CVS repositories.

http://code.google.com/p/gource/

it need a svn command line to operate.
i use it on my own projects that i use with svn,
it looking good (:

there is a videos that show what the program do:
http://www.youtube.com/watch?v=ZEAlhVOZ8qQ
http://code.google.com/p/gource/wiki/Videos

there is svn command line portable?

Apache License, Version 2.0
http://www.apache.org/licenses/LICENSE-2.0
http://subversion.apache.org/
http://subversion.apache.org/download/#recommended-release