The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

The OpenMusic visual programming / computer-aided composition environment

♞ lichess.org: the forever free, adless and open source chess server ♞

A little 2d engine

Awesome emacs config files

Official https://push.tf command line client

😎 Awesome lists about all kinds of interesting topics

A community driven list of useful Emacs packages, libraries and other items.

A quick guide to Emacs Lisp programming

Be great at emacs in one year

Emacs configuration

This gem contains Ruby routines for parsing org-mode files. The most significant thing this library does today is convert org-mode files to HTML or textile.

Manage the external elisp bits and pieces upon which you depend!

Crypto 101, the introductory book on cryptography.

Classy web-development dressed in a DSL (official / canonical repo)