Teedy
Lightweight document management system packed with all the features you can expect from big expensive solutions (Ex SismicsDocs).
Stirling-PDF
Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR.
paper{s}pace
Small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks.
Papermerge
Open Source Document Management System focused on scanned documents (electronic archives). Features file browsing in similar way to dropbox/google drive. OCR, full text search, text overlay/selection.
Paperless-ngx
Scan, index, and archive all of your paper documents with an improved interface (fork of Paperless).
Mayan EDMS
Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features.
I, Librarian
I, Librarian can organize PDF papers and office documents. It provides a lot of extra features for students and research groups both in industry and academia.
EveryDocs
A simple Document Management System for private use with basic functionality to organize your documents digitally.
DocKing
Document management service/microservice that handles templates and renders them in PDF format, all in one place.
Docspell
Auto-tagging document organizer and archive.
Docuseal
Create, fill, and sign digital documents (alternative to DocuSign).
DOCAT
Host your docs. Simple. Versioned. Fancy.