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.
POP Peeper - POP Peeper is an email notifier that runs in your Windows task bar and alerts you when you have new...
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Checker Plus for Gmail - Displays new emails and the sender's contact photo, get notifications or even listen, read or...
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents
Gmail Notifier (restartless) - is a highly customizable browser extension that notifies you about the incoming emails from all your Google-Mail accounts and labels. Gmail notifier is available for Firefox, Chrome, Opera and Safari.