pdflayer - Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
Skhokho.io - Cloud Based Business Management Software, CRM, HRM, SaaS, Project Management Software for Small to Medium Sized Enterprises
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Videris by Blackdot Solutions - Blackdot Solutions makes Videris, a complete online investigations and intelligence platform for professional investigators and analysts.
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents
FoodZaps - Mobile ordering & POS system for Android