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.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Retool - Build custom internal tools in minutes.
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents
Airtable Universe - Real workflows from real people