fixes and additions

* add rygel, galette, ratticdb demo
 * add links to wiki engine lists
 * add dynamic domain name and community links

README.md

@@ -423,6 +423,7 @@ Some [Groupware](#groupware) solutions also feature file sharing synchronization
   * [Flumotion](http://flumotion.net/) - a streaming media server with intuitive graphical administration tools ([Source code](https://github.com/Flumotion/flumotion)) `LGPLv2` `Python`
   * [HTPC Manager](http://htpc.io/) - A fully responsive interface to manage all your favorite media on your HTPC. - `MIT`
   * [ReadyMedia](http://sourceforge.net/projects/minidlna/) - a simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients `GPLv2` `C`
+  * [Rygel](https://wiki.gnome.org/action/show/Projects/Rygel) - Rygel is a home media solution (UPnP AV MediaServer) that allows you to easily share audio, video and pictures to other devices. Additionally, media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller. `GPLv3` `C`
   * [Streama](https://github.com/dularion/streama) - Self-hosted Netflix alternative. - `MIT` `Java`
 
 ## Mind Maps
@@ -432,6 +433,7 @@ Some [Groupware](#groupware) solutions also feature file sharing synchronization
 
 ## Money, Budgeting and Management
 
+  * [Galette](http://galette.eu/dc/) - Galette is a membership management web application towards non profit organizations ([Source code](http://git.tuxfamily.org/galette/galette.git/)) `GPLv3` `PHP`
   * [GLPI](http://www.glpi-project.org/spip.php?lang=en) - GLPI is an IT assests/resources/inventory manager ([Source code](https://forge.glpi-project.org/projects/glpi)) `GPLv2` `PHP`
   * [GRR](http://grr.devome.com/?lang=en) - Assets management and booking for small/medium companies ([demo](http://grr.devome.com/demo/week_all.php?year=2015&month=07&day=28&area=94), _administrateur/azerty_) `GPLv2` `PHP`
   * [InvoicePlane](https://invoiceplane.com/) - Manage quotes, invoices, payments and customers for your small business. ([Demo](https://demo.invoiceplane.com), [Source code](https://github.com/InvoicePlane/InvoicePlane)) - `MIT`
@@ -487,7 +489,7 @@ Some [Groupware](#groupware) solutions also feature file sharing synchronization
 
 ## Password Managers
 
- * [Rattic](http://rattic.org/) - Password Management for Humans ([Source code](https://github.com/tildaslash/RatticWeb))
+ * [RatticDB](http://rattic.org/) - Password Management for Humans ([Source code](https://github.com/tildaslash/RatticWeb), [Demo](https://demo.rattic.org/cred/list/))
  * [Teampass](http://www.teampass.net/) - Password manager dedicated for managing passwords in a collaborative way on any server Apache, MySQL and PHP. ([Source code](https://github.com/nilsteampassnet/TeamPass/)) `GPLv3` `PHP`
 
 ## Pastebins
@@ -670,7 +672,7 @@ See https://github.com/n1trux/awesome-sysadmin#web
 
 ## Wikis
 
-See also [Documentation Generators](#documentation-generators) and [Wikimatrix](http://www.wikimatrix.org/) (a wiki platforms comparator).
+See also [Documentation Generators](#documentation-generators), [Wikimatrix](http://www.wikimatrix.org/), [Wiki Engines on WikiIndex](http://wikiindex.org/Category:Wiki_Engine), [List of wiki software on wikipedia](https://en.wikipedia.org/wiki/List_of_wiki_software), [Comparison of wiki software on wikipedia](https://en.wikipedia.org/wiki/Comparison_of_wiki_software).
 
   * [Blazekiss](https://github.com/ldleman/blazekiss) - BlazeKiss is a KISS-based wiki (Keep It Simple, Stupid) - simplicity and functionality comes before all. `PHP`
   * [Codex](http://codex.caffeinated.ninja/codex/master) - Codex is a simple file-based Markdown documentation platform built on top of Laravel. - `MIT` `PHP`
@@ -728,7 +730,8 @@ See also [Documentation Generators](#documentation-generators) and [Wikimatrix](
  * [Awesome Sysadmin](https://github.com/n1trux/awesome-sysadmin) -  A curated list of amazingly awesome open source sysadmin resources.
  * [PRISM Break](https://prism-break.org/en/) - Mobile, computer & server privacy-minded applications
  * [privacytools.io](https://www.privacytools.io/) - Knowledge and tools to protect your privacy against global mass surveillance.
-
+ * Dynamic Domain Name services: [Afraid.org](https://freedns.afraid.org/domain/registry/), [Pagekite](https://pagekite.net/)
+ * Communities: [/r/selfhosted](https://www.reddit.com/r/selfhosted), [Auto-Hébergement (FR)](http://www.auto-hebergement.fr/
 
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