Picasa 3

Picasa 3 Windows/Linux easy to use and feature rich photo management software from Google got number of new and improved features besides faster performance, increased stability, improved RAW support and a faster scanning engine. Picasa 3 adds basic movie editing, fuller syncing to Web Albums, new quick view app, Retouch tool for basic photo improvements, easy watermark adding and text tool add as well as new collage styles and Picasa Photo Viewer

Picasa 3 experimental features

Though found in Tools -> Experimental menu some of these features are stable and very useful.
Show Duplicate Files
Good tool to find duplicates are accumulating with time and take space.
Search for color
You can select photos based on color dominating in them.
Show tag as album
Quickly select all photos that have the same tags using this feature.
Passport photo
This option let you create standard passport photos (choose various dimensions) and place multiple images on one page.

Picasa 3 Keyboard shortcuts

Shortcuts for selecting photos

• Ctrl-A: Select all photos in album
• Ctrl-D: Deselect photos
• Ctrl-I: Invert photo selection
• Home: Select the first photo in your album
• End: Select the last photo in your album
• Ctrl-H: Hold selected photos in Photo Tray
• Ctrl-Enter: Locate the photo file on your computer
• Ctrl-O: Open a file on your computer

Shortcuts for viewing photos

• Ctrl-1: View your photos as small thumbnails
• Ctrl-2: View your photos as large thumbnails
• F11: Use Picasa in full-screen mode
• Ctrl-4: Start a slideshow
• Ctrl-5: View your timeline

Shortcuts for editing photos

• Ctrl-3: Open an image in ‘Edit Mode’
• Ctrl-R: Rotate the image clockwise
• Ctrl-Shift-R: Rotate the image counter-clockwise
• Ctrl-Shift-H: Flip image horizontally
• Ctrl-Shift-V: Flip image vertically
• Ctrl-Shift-B: Add black and white effect

Shortcuts for watching videos

• / [slash]: Pause or play video
• , [comma]: Rewind video
• . [period]: Fast forward video

Miscellaneous shortcuts

• Ctrl-E: Email selected photos
• Ctrl-P: Print selected images
• Ctrl-Shift-P: Print album contact sheet
• Ctrl-T: Add tags to your photos
• Ctrl-N: Create a new album
• F1: View help content
• X: Exclude a photo in import mode

Download link

Download picasa 3 here