Split.js is a lightweight, unopinionated utility for creating adjustable split views or panes.
Learn Enough Command Line to Be Dangerous by Michael Hartl an introduction to the Unix command line. Brief and really informative.
LinuxJourney.com - now I know where to redirect my #Linux-newbie friends. Even more, I will go through it by myself!
Split.js is a lightweight, unopinionated utility for creating adjustable split views or panes.
Apipie- Rails DSL and API documentation lib. Allows to specify validation, versioning etc.
Segment - a little JavaScript class (without dependencies) to draw and animate SVG path strokes.
Let's Encrypt is Trusted now. Cool, a step further to free SSL certificates for everyone.
PgBarman - PostgreSQL backup tool. Hot backups, point in time recovery and many other features.