The Coherent PDF Command Line Toolkit provide a robust, professional set of tools for manipulating PDF files. The operations it offers includes split and merge, linearize, encrypt, scale, rotate, crop, bookmark, stamp, watermark, annotate, attach, and much more. It's based on the camlpdf library.
Ocaml Plugin extends the NetBeans IDE with support for projects written in the Objective Caml language. It provides syntax highlighting, code completion, build-in documentation, support for OCaml projects with multiple source, test, and docs folders, support for multiple build systems, a sample project template, and an empty project wizard.