An open-source battle is being waged for the soul of artificial intelligence. It is being fought by industry titans, universities and communities of machine-learning researchers world-wide. This article chronicles one small skirmish in that fight: a standardized file format for neural networks. At stake is the open exchange of data among a multitude of tools instead of competing monolithic frameworks.

Networking is one of Linux's strengths and a popular topic for our subscribers. For your weekend reading, we've curated some of Linux Journal's most popular networking articles.    NTPsec: a Secure, Hardened NTP Implementation by Eric S. Raymond

Each month, we provide a cartoon in need of a caption. You submit your caption, we choose three finalists, and readers vote for their favorite. The winning caption for this month's cartoon will appear in the June issue of Linux Journal. To enter, simply type in your caption in the comments below or email us, publisher@linuxjournal.com.

So many of you have asked how to help Linux Journal continue to be published* for years to come. First, keep the great ideas coming—we all want to continue making Linux Journal 2.0 something special, and we need this community to do it.

I don't always use Facebook, but when I do, it's over a compartmentalized browser over Tor.

Yesterday's Keynote from Drupal project founder, Dries Buytaert, kicked off the annual North American gathering of Drupalists from around the world, and also kicked off a new Drupal community initiative aimed at promoting the Drupal platform through a coordinated marketing effort using funds raised within the community.