Add DocuSeal to Document Management section

README.md

@@ -741,6 +741,7 @@ A [document management system](https://en.wikipedia.org/wiki/Document_management
 - [DOCAT](https://github.com/docat-org/docat) - Host your docs. Simple. Versioned. Fancy. `MIT` `Python/Docker`
 - [DocKing](https://docking.shipsaas.tech) - Document management service/microservice that handles templates and renders them in PDF format, all in one place. ([Demo](https://docking-demo.shipsaas.tech/console), [Source Code](https://github.com/shipsaas/docking)) `MIT` `PHP/Nodejs/Docker`
 - [Docspell](https://docspell.org) - Auto-tagging document organizer and archive. ([Source Code](https://github.com/eikek/docspell)) `GPL-3.0` `Scala/Java/Docker`
+- [Docuseal] [DocuSeal](https://github.com/docusealco/docuseal) - Open source document filling and signing app. `GPL-3.0` `Docker/Java`
 - [EveryDocs](https://github.com/jonashellmann/everydocs-core) - A simple Document Management System for private use with basic functionality to organize your documents digitally. `GPL-3.0` `Docker/Ruby`
 - [I, Librarian](https://i-librarian.net) - 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. ([Demo](https://i-librarian.net/demo/), [Source Code](https://github.com/mkucej/i-librarian-free)) `GPL-3.0` `PHP`
 - [Mayan EDMS](https://www.mayan-edms.com) - Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features. ([Source Code](https://gitlab.com/mayan-edms/mayan-edms)) `Apache-2.0` `Python`