Papermerge DMS - Open source document management system designed for archiving and retrieving your digital documents. Instead of having piles of paper documents all over your desk, office or drawers - you can quickly scan and upload them to Papermerge DMS.

Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.

Paperless-NG - A supercharged version of paperless: scan, index and archive all your physical documents - jonaswinkler/paperless-ng

Kindful - Nonprofit donor database + fundraising tools all in one

Paperless - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless, MacJournal and many more. Based in MN.

Classy - Expressive, flexible, and powerful stylesheets for native iOS apps