PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.

OrangeHRM - Free and Open source HR Software with an array of HR Modules. Personal Information management, Leave Management, Time & Attendance, Performance, Recruitment, On-Boarding and many more.

DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Calamari - Calamari helps organizations, companies, and enterprises to manage their human resources in an easy and compliant way by delivering modern and easy-to-use time tracking and attendance management tools.

PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request

LeaveBoard - LeaveBoard manages employee absences and time off requests with a very simple and intuitive way for companies. Automatise the attendance management for multiple teams and absence types.