Kin Calendar - The simple and connected calendar
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.
Kin - Kin is money for the digital world. It is used to generate value through a shared, decentralized cryptocurrency in a digital ecosystem of apps and their users.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Dawn Calendar - AI calendar scheduling tool
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents