Ripple, a web agency designed a coded a nice, minimal Bootstrap theme, Inspiritas, that is offered as a free download. This particular Bootstrap theme seems to be well suited for portfolio and/or agency sites.
The free Inspiritas bootstrap theme includes the following features and benefits:
- Side navigation with portfolio-style layout
- Easy to customize with clean CSS and HTML
- PSD of entire design included with the download
- BONUS: Includes tyling for charts