Actively maintained

This module allows the single-sign-on system provided by the Bakery module to be optional, rather than required for all users.

Users who first create an account on the Bakery master site will be able to visit the slave sites have their account information and sessions propagated (just like they normally can on sites using Bakery). However, users who try to register on the slave site will be allowed to create a completely local account.

This module includes Feature exports of the fields stations have added to the Project, Show, Airing, and Reservations.

For testing project modules

The module suggests tags to the user depending upon the content of the post using Learning Algorithms. Based on an algorithm and a ranking mechanism the user will be provided with a list of tags from which he can select those that best describe the article and also train a user-content learning model in the background. The model trains on the user's past tagging patterns and posts on the website which are then used to propose tags.

This is Vauna's first try at a Drupal Module.

This module provides a block which displays Yelp reviews about a specific business with the option of displaying review excerpts. The block template is customizable via Drupal templates.

It is also possible to attach Yelp reviews to nodes with configurable node types and permissions and to add different Yelp business ids' to nodes, and the reviews will be displayed based on the customizable template.

This module provides a more secure implementation of the Motion Captcha jQuery plugin.

It provides a configuration form where the admin can choose which site forms to add the Motion Captcha to, and also allows for custom forms by adding the form_id hidden field value.

login_to_view_fields module

A simple module that adds a message "Login or register to view ABC" to each node where ABC is a field that is not visible to unauthenticated users.

Download, extract to sites/all/modules, enable on admin/build/modules page.

There are many Facebook-related Drupal 7 modules out there. This is one of them.
There aren't many Facebook-related Drupal 8 modules out there, but when there are, this will be one of them.

NOTE: If you'd like to log via Redis, check out my custom version of log4php on Github.