Work with PDF on Linux with PDFTk

PDFtk or The PDF Toolkit is an open source cross-platform tool for manipulating PDF documents. pdftk is basically a front end to the iText library (compiled to Native code using GCJ), capable of splitting, merging, encrypting, decrypting, uncompressing, recompressing, and repairing PDFs. If pdf is electronic paper, then pdftk is an electronic stapler-remover, hole-punch, binder, [...]

BitMessage: Encrypted messaging, BitCoin-style

Today I propose you an interesting topic based on an article by  Jacob Cook first published on Over the past few years, a handful of different encrypted messaging systems have cropped up and gained prominence, notably Cryptocat and the OTR specification. Now a newcomer to the scene proposes a different way of thinking about encrypted communication, one [...]

5 Comic Book Viewers for Linux

A comic book is a magazine which consists of narrative artwork in the form of sequential images with text that represent individual scenes. Comics are used to tell a story, and are published in a number of different formats including comic strips, comic books, webcomics, Manga, and graphic novels. The equivalent for computers are the [...]

Happy April Fools’ Day 2013, for you a collection of April Fool !!

Like 1 year ago today I prefer to post a collection of the best April Fools that I’ve found around, some about Gnu/Linux and open source in general, but also on online service such as Twitter and youtube. YouTube is shutting down. YouTube Contest Submissions Closing Tomorrow at Midnight To our incredible YouTube community, When [...]

Speed up your download with Aria2

The tool that usually I use to download from the command line is wget, it’s simple to use and it’s installed (or easily installable) on any system, but if you want something that can do the same job in a smarter and faster way you must really test Aria2 Aria2 is a lightweight multi-protocol & [...]