diff --git a/CONTRIBUTORS b/CONTRIBUTORS
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -8,8 +8,16 @@ List of contributors to Kallithea projec
     ssantos <ssantos@web.de> 2018-2019
     Danni Randeris <danniranderis@gmail.com> 2019
     Edmund Wong <ewong@crazy-cat.org> 2019
+    Elizabeth Sherrock <lizzyd710@gmail.com> 2019
+    Hüseyin Tunç <huseyin.tunc@bulutfon.com> 2019
+    leela <53352@protonmail.com> 2019
     Manuel Jacob <me@manueljacob.de> 2019
+    Mateusz Mendel <mendelm9@gmail.com> 2019
+    Nathan <bonnemainsnathan@gmail.com> 2019
+    Oleksandr Shtalinberg <o.shtalinberg@gmail.com> 2019
+    THANOS SIOURDAKIS <siourdakisthanos@gmail.com> 2019
     Wolfgang Scherer <wolfgang.scherer@gmx.de> 2019
+    Христо Станев <hstanev@gmail.com> 2019
     Dominik Ruf <dominikruf@gmail.com> 2012 2014-2018
     Michal Čihař <michal@cihar.com> 2014-2015 2018
     Branko Majic <branko@majic.rs> 2015 2018
diff --git a/kallithea/templates/about.html b/kallithea/templates/about.html
--- a/kallithea/templates/about.html
+++ b/kallithea/templates/about.html
@@ -32,8 +32,16 @@
   <li>Copyright &copy; 2018&ndash;2019, ssantos</li>
   <li>Copyright &copy; 2019, Danni Randeris</li>
   <li>Copyright &copy; 2019, Edmund Wong</li>
+  <li>Copyright &copy; 2019, Elizabeth Sherrock</li>
+  <li>Copyright &copy; 2019, Hüseyin Tunç</li>
+  <li>Copyright &copy; 2019, leela</li>
   <li>Copyright &copy; 2019, Manuel Jacob</li>
+  <li>Copyright &copy; 2019, Mateusz Mendel</li>
+  <li>Copyright &copy; 2019, Nathan</li>
+  <li>Copyright &copy; 2019, Oleksandr Shtalinberg</li>
+  <li>Copyright &copy; 2019, THANOS SIOURDAKIS</li>
   <li>Copyright &copy; 2019, Wolfgang Scherer</li>
+  <li>Copyright &copy; 2019, Христо Станев</li>
   <li>Copyright &copy; 2012, 2014&ndash;2018, Dominik Ruf</li>
   <li>Copyright &copy; 2014&ndash;2015, 2018, Michal Čihař</li>
   <li>Copyright &copy; 2015, 2018, Branko Majic</li>