Signs outgoing e-mails with DomainKeys Identified Mail Signatures (RFC 6376)

Map IP addresses to geo locations..

Development support, periodically builds and loads changed files.

Simple typed key/value store used to store structured data.

Relay incoming e-mails for known users to their private e-mail address.

Exports data as CSV and other formats.

Create and publish questionnaires.

Handle user’s language and generate .pot files with translatable texts.

Bootstrap provides simple and flexible HTML, CSS, and Javascript for popular user interface components and interactions.

Support editing and changing the category hierarchy

Use LinkedIn for logon.

Extract EXIF information from photos when uploading

User interface to merge resources in the admin.

Categorize content into a hierarchical structure of content groups.

Art work for your site. Social icons, file icons etc.

Make a backup of the database and files.

Add external media in your site by their URL.

Implements public sign up to register as member of this site.

Defines PostgreSQL queries for basic content searches in Zotonic.

Track bounce and receive status of email recipients.

Adds support for editing predicates to the admin.

Mailing lists. Send a page to a list of recipients.

Use SSL Certificate from a Certificiate Authority.

Play and convert uploaded videos. Requires ffmpeg.

Image editor for Zotonic.

Comments for pages. Implements a simple comment system with comments stored locally.

Adds Facebook login and other Facebook related features.

Use SSL Certificate from Let's Encrypt.

Generates sitemap for crawlers, enables better indexing of your site.

Use Twitter for logon, and/or follow users on Twitter using the streaming HTTP API.