CamCard - CamCard reads business cards and save instantly to phone Contacts.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

Scanbizcards - Maximize your marketing events ROI with ScanBizCards.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

Sansan - Sansan provides a internal contact sharing service for companies.

CherryTree - A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.