There are great and popular CSS preprocessors like SASS and LESS.
Myth is an other one which allows us to write pure CSS without having to worry about browser support, or even slow spec approval.
It simply functions like a CSS polyfill but we can still use variables and math functions.
There are many metrics and information on the web that we may be following regularly: tweets, number of followers, Facebook messages, GitHub activity and much more.
Reportr is a free and open source web application (with an alternative hosted version) that allows us to track any data and make it all visible from a single dashboard.
It is built with Nodejs, uses MongoDB for storage and comes with various ready-to-use trackers like Facebook, Twitter, GitHub, Foursquare and even Runkeeper or Fitbit.
Reportr has a simple REST API and adding new trackers is pretty simple.
Requirements: Nodejs & MongoDB
Also, it is possible to serve DynoSRC itself inline and no requests will be made for JS files.
WordPress is by far the most popular application that is used for blogging and managing other types of websites.
Ghost, an open source blogging application that started with an idea by John O’Nolan and got thousands of backers at Kickstarter, is now live.
It is created “not as a powerful CMS” but for only blogging and focuses on improving the blogging experience in all means.
The application is built with Nodejs and has a lovely dashboard that presents all the important information a one place.
We can browse through the posts easily, view their stats or edit them quickly and create new ones.
It has support for theming and available as either open source/self-hosted or hosted.
Scrollback is an open source web application for adding a modern chat for websites.
It is built with Nodejs and can be either used with the free hosted version or by downloading and self-hosting it.
The app creates a single room chat interface where the community can communicate with each other.
An “infinite scroll” eases following the previous messages, all messages are presented with a timeline and it is possible to view user details.
Scrollback is compatible with IRC and it can match the style of any website with little work.