Extensis has released Portfolio 6.1as a free download for registered users.

Portfolio organizes, shares and archives digital files, and can operate on individual Macs or as a server-based solution.

Version 6.1 offers a redesigned interface based on Aqua, and introduces a menu for recently-used catalogues.

Other improvements include: support for long file names and a batch rename feature that lets users rename batches of images after cataloguing.

Portfolio 6.1 for OS X is available for download from the Extensis Web site. Boxed versions are expected to ship on February 7. Portfolio 6.1 will cost £149.