features.md

+Here is a list of features currently available in [Libravatar](https://www.libravatar.org) and how it differs from [Gravatar](http://www.gravatar.com).
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+                                  | **Libravatar**                                       | **Gravatar**
+----------------------------------|------------------------------------------------------|-----------------------------------------------------------
+JPEG and **PNG** support          | Yes                                                  | Yes
+GIF support                       | Yes                                                  | No
+Upload size limit                 | 10 MB                                                | None
+Image size (in pixels)            | 1 to 512 (configurable)                              | [2048](http://blog.gravatar.com/2012/07/30/retina/)
+**HTTPS** support                 | Yes                                                  | Yes
+**IPv6** support                  | Yes                                                  | —
+Supported email hashes            | MD5 and **SHA256**                                   | [MD5 only](http://en.gravatar.com/site/faq/#answer-2-1)
+**OpenID** URL support            | Yes                                                  | —
+Redirection to Gravatar           | Yes                                                  | Not needed :)
+Customizable default image        | Yes                                                  | Yes
+MPAA-style image ratings          | G-rated only                                         | Yes
+Text-based profile information    | —                                              | Yes
+**Federation** via DNS SRV records| Yes                                                  | —
+**Persona** authentication        | Yes                                                  | —
+**LDAP** authentication           | Yes                                                  | —
+**OpenID** authentication         | Yes                                                  | —
+Automatic photo **importers**     | [Yes](photo importers)                               | —
+Translated user interface         | [Yes](https://translations.launchpad.net/libravatar) | [Yes](http://en.gravatar.com/site/translations/)
+Account **export**                | Yes                                                  | —
+Account **deletion**              | Yes                                                  | [No](http://en.gravatar.com/site/faq/#answer-1-7)
+XMLRPC API                        | —                                              | Yes
+Libraries/plugins available       | [Some ](libraries)                                   | [Lots](http://en.gravatar.com/site/implement/images/libraries/)
+**Free and Open Source software** | [Yes](http://www.gnu.org/licenses/agpl.html)         | [No](http://blog.gravatar.com/2010/05/31/gravatar-localization/#comment-8749)
+Distributed service               | [Community mirrors ](mirror)                         | Commercial CDN
+Corporate owner                   | —                                              | [Automattic](http://automattic.com/)
+
+Is something missing from this list? Let us know by [filing an issue](https://git.linux-kernel.at/oliver/ivatar/issues/new), or [[contributing|contribute]] a new feature yourself!