Parece que StatSVN pode ser o que você está procurando:
- Timeline for the lines of code
- Lines of code for each developer
- Activity by Clock time
- Authors Activity
- Author activity per Module
- Author Most Recent Commits with links to ViewVc
- Stats per directory
- File count
- Average file size
- Largest files
- Files with most revisions
- Directory Sizes
- Repository Tags Number of LOC per version.
- Repository tree with file count and lines of code
- LOC and Churn the evolution of LOC and the amount of change per day
- Repo Map the dynamic hierarchical view of your repo for the last 30 days