Startup Stash - A curated directory of 400 resources & tools for startups
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.
Startup Buffer - Startup Buffer is a premium startup directory for emerging startups all around the world.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Content Marketing Stack - A curated directory of content marketing resources
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents