* [Power Programming with Mathematica](http://mathematica.stackexchange.com/questions/16485/are-you-interested-in-purchasing-david-wagners-power-programming-with-mathemat/22724) - David B. Wagner
* [Probability and Statistics Cookbook](http://statistics.zone/)
* [Probability and Statistics EBook](http://wiki.stat.ucla.edu/socr/index.php/Probability_and_statistics_EBook)
* [Statistics Done Wrong](http://www.refsmmat.com/statistics/) - Alex Reinhart
* [Think Bayes: Bayesian Statistics Made Simple](http://www.greenteapress.com/thinkbayes/) - Allen B. Downey
@ -428,6 +428,7 @@ Original Source: [List of freely available programming books](http://web.archive
* [Designing for Performance](http://designingforperformance.com) by Lara Hogan
* [Designing Interfaces](http://designinginterfaces.com) by Jennifer Tidwell
* [DevDocs](http://devdocs.io/) - Documents for Developers in 1 place
* [DevOps For Dummies (IBM Edition)](http://www.ibm.com/ibm/devops/us/en/resources/dummiesbooks/) (PDF)
* [Digital Signal Processing For Communications](http://www.sp4comm.org/)
* [Digital Signal Processing For Engineers and Scientists](http://www.dspguide.com/)
* [Distributed systems for fun and profit](http://book.mixu.net/distsys/single-page.html)
@ -486,6 +487,7 @@ Original Source: [List of freely available programming books](http://web.archive
* [An Introduction to Computer Networks](http://intronetworks.cs.luc.edu) (HTML, PDF, Kindle)
* [Bits, Signals, and Packets: An Introduction to Digital Communications and Networks](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-02-introduction-to-eecs-ii-digital-communication-systems-fall-2012/readings/)
* [Code Connected vol.1](http://hintjens.wdfiles.com/local--files/main%3Afiles/cc1pe.pdf) (PDF) (book on ZeroMQ)
* [Force.com Platform Fundamentals: An Introduction to Custom Application Development in the Cloud](http://www.lulu.com/shop/salesforcecom/forcecom-platform-fundamentals/ebook/product-17381451.html)
* [A Beginner's Guide to Forth](http://hackershelf.com/book/482/a-beginners-guide-to-forth/)
@ -1011,6 +1015,7 @@ Original Source: [List of freely available programming books](http://web.archive
* [The Grails Framework - Reference Documentation](http://grails.org/doc/latest/) ([PDF](http://grails.org/doc/latest/guide/single.pdf)) - Graeme Rocher, Peter Ledbrook, Marc Palmer, Jeff Brown, Luke Daley, Burt Beckwith, Lari Hotari
#### Spock Framework
* [Spock Framework Reference Documentation](https://spockframework.github.io/spock/docs/current/index.html) - Peter Niederwieser
* [Spock Intro](http://edgibbs.com/spock-intro-a-bdd-testing-framework-in-groovy/) - Ed Gibbs
@ -1099,6 +1104,7 @@ Original Source: [List of freely available programming books](http://web.archive
* [J for C Programmers by Henry Rich- online](http://www.jsoftware.com/help/jforc/contents.htm) || [pdf](http://www.jsoftware.com/jwiki/HenryRich?action=AttachFile&do=get&target=JforC20071003.pdf) || [word 2003 file](http://www.jsoftware.com/jwiki/HenryRich?action=AttachFile&do=get&target=JforC20070929.doc)