Haru is a free, cross platform, open-sourced software library for generating PDF written in ANSI-C. It can work as both a static-library (.a, .lib) and a shared-library (.so, .dll).
This project automates Http-requests i.e. all browser activities can be logged/written to XML-formated files and redone by using simple methods. This is very useful for automating http-server-requests e.g. queries to search engines, external databases..