diff --git a/README.md b/README.md
index a887a3dc..8caa9ca5 100644
--- a/README.md
+++ b/README.md
@@ -885,6 +885,7 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
   * [Realms](https://github.com/scragg0x/realms-wiki) - A git-backed wiki inspired by Gollum. `Python`
   * [Redaxscript](http://redaxscript.com/) - Ultra lightweight website engine. `GPL` `PHP`
   * [TiddlyWiki](http://tiddlywiki.com/) - A reusable non-linear personal web notebook. ([Source Code](https://github.com/Jermolene/TiddlyWiki5)) `BSD` `Javascript/Nodejs`
+  * [Tiki](https://tiki.org) - Wiki CMS Groupware with the most built-in features. ([Demo](https://tiki.org/Demo), [Source Code](https://sourceforge.net/p/tikiwiki/code/HEAD/tree/)) `LGPLv2.1` `PHP`
   * [WiKiss](http://wikiss.tuxfamily.org/) - A Wiki, simple to use and install. `PHP`
   * [Wikitten](https://github.com/victorstanciu/Wikitten) - Wikitten is a small, fast, PHP wiki, and the perfect place to store your notes, code snippets, ideas, and so on. `PHP`