Awesome Screenshot - Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and...
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.
Paparazzi! - Paparazzi! is a small utility for Mac OS X that makes screenshots of webpages.
Doczilla - Effortlessly create stunning PDFs and screenshots. Seamlessly store them in your own AWS or Google Cloud Storage bucket, putting the control and creativity right at your fingertips.
khtml2png - khtml2png is a command line program to create screenshots of webpages.
PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.