ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Apache PDFBox - The Apache PDFBox™ library is an open source Java tool for working with PDF documents.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
IronPDF - SDK for creating and editing PDFs.