diff --git a/latenightdef/work-others.html b/latenightdef/work-others.html
index 910055d..9d660fd 100644
--- a/latenightdef/work-others.html
+++ b/latenightdef/work-others.html
@@ -55,6 +55,16 @@
               <svg class="feather feather-external-link" viewBox="0 0 24 24" fill="none" height="20" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" x2="21" y1="14" y2="3"></line></svg>
             </a>
             <div class="separator"></div>
+            <a target="_blank" rel="noopener noreferrer" class="listaction" href="https://www.youtube.com/@FOSS4ChangeTH">
+              <div style="display: flex; margin-left: 0.5cm; margin-top: -0.4cm; margin-bottom: -0.2cm; align-items: center; justify-content: left">
+                <div>
+                  <p>Tech videos related to open source software</p>
+                  <p class="description">TechTransThai - FOSS4Change</p>
+                </div>
+              </div>
+              <svg class="feather feather-external-link" viewBox="0 0 24 24" fill="none" height="20" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" x2="21" y1="14" y2="3"></line></svg>
+            </a>
+            <div class="separator"></div>
             <a target="_blank" rel="noopener noreferrer" class="listaction" href="https://little-lines.techtransthai.org/">
               <div style="display: flex; margin-left: 0.5cm; margin-top: -0.4cm; margin-bottom: -0.2cm; align-items: center; justify-content: left">
                 <div>