Timeline by PixelNovel is an interesting version control system built for designers who use Adobe Photoshop. As far as I am aware, there’s really nothing else like this out there for Photoshop users.

Timeline allows you to save and review a file’s history and save file versions and get file versions without switching from the main Photoshop window.

Forget having to save multiple versions of the same Adobe Photoshop file with arcane file names like File1.psd, File_final.psd, File_ForJohn.psd and so on. Timeline allows you to use one .psd file, and all versions of your file will be safely kept on the pixelnovel.com server and you will be able to access them at any time from Photoshop or from your web browser.

Version control system is a software system that allows you to easily store and manage multiple versions of the same file. When you’re at a stage where you want to save a version, you just click a button in the Timeline palette in Photoshop and your file is saved as a version on the PixelNovel server. Timeline also allows you to add comments to each saved version.

The Timeline plugin adds a new panel into Adobe Photoshop that has thumbnail previews of all your saved versions. Hovering your mouse over any of the preview thumbnails will reveal any comments for this version. Click on any of the version thumbnails, press the “Get version” button in Timeline and voila — the selected version will be delivered.

The online viewer is also great for showing a client multiple versions of a file.

Pricing for the Standard account is $1 per GB/per month with a 5GB minimum. Pro accounts get $0.80 per GB/per month with a 20 GB minimum ($20/month). Head on over to the Timeline page and check it put for yourself.

Also available for all you Subversion geeks out there is a standalone version of Timeline. Pricing is $60 per license, with bulk license discounts. Works with both PC (XP and above) and Mac (10.4and above). Requires Photoshop  Adobe Photoshop CS2, CS3 or CS4.

(via TUAW)