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.
Vim - Highly configurable text editor built to enable efficient text editing
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.
Kakoune - Vim inspiredâââFaster as in less keystrokesâââMultiple selectionsâââOrthogonal design
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.
qemacs (for quick emacs) - Savannah is a central point for development, distribution and maintenance of free software, both GNU and non-GNU.