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Document construction site inspections.

Facilitates use of iWeb without a .Mac account.

Visual Web site creator for a single site.

Find, sort, and eliminate similar photos.

Cloud storage and file syncing service, similar to Dropbox; free 15GB account.

Get rid of duplicate and similar photos automatically.

Merge similar Excel file type documents.

Tiling window manager similar to xmonad.

Drawing app, capabilities similar to Illustrator/Freehand/CorelDraw.

Rapid engineering and scientific prototyping, similar to MATLAB.