Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
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.
Telegram Login Widget - Official Telegram authentication for websites 🚀
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents