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.

Buddy Punch - Cloud based time tracking, scheduling, and payroll solution that streamlines payroll for small and mid-sized businesses. Employees can punch in on their desktop or mobile devices.

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

Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.

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

QuickBooks Time - Easily track time for effortless payroll, invoicing, and job costing—without the paperwork, guesswork, or hard work.