diff --git a/static/static/img/gitea_logo.svg b/static/static/img/gitea_logo.svg
new file mode 100644
index 0000000..892018d
--- /dev/null
+++ b/static/static/img/gitea_logo.svg
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   version="1.1"
+   id="main_outline"
+   x="0px"
+   y="0px"
+   viewBox="0 0 640 640"
+   xml:space="preserve"
+   sodipodi:docname="gitea_logo.svg"
+   style="enable-background:new 0 0 640 640;"
+   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+   id="defs16" /><sodipodi:namedview
+   id="namedview14"
+   pagecolor="#ffffff"
+   bordercolor="#666666"
+   borderopacity="1.0"
+   inkscape:showpageshadow="2"
+   inkscape:pageopacity="0.0"
+   inkscape:pagecheckerboard="0"
+   inkscape:deskcolor="#d1d1d1"
+   showgrid="false"
+   inkscape:zoom="1.2984375"
+   inkscape:cx="320.38508"
+   inkscape:cy="320.77016"
+   inkscape:window-width="1920"
+   inkscape:window-height="1011"
+   inkscape:window-x="0"
+   inkscape:window-y="0"
+   inkscape:window-maximized="1"
+   inkscape:current-layer="main_outline" />
+<g
+   id="g11"
+   transform="matrix(1,0,0,1.0012257,0,-0.17537094)">
+	<path
+   id="teabag"
+   style="fill:#ffffff"
+   d="M 395.9,484.2 269,423.2 c -12.5,-6 -17.9,-21.2 -11.8,-33.8 l 61,-126.9 c 6,-12.5 21.2,-17.9 33.8,-11.8 17.2,8.3 27.1,13 27.1,13 l -0.1,-109.2 16.7,-0.1 0.1,117.1 c 0,0 57.4,24.2 83.1,40.1 3.7,2.3 10.2,6.8 12.9,14.4 2.1,6.1 2,13.1 -1,19.3 l -61,126.9 c -6.2,12.7 -21.4,18.1 -33.9,12 z" />
+	<g
+   id="g9">
+		<g
+   id="g7">
+			<path
+   style="fill:#4b3aba"
+   d="m 622.7,149.8 c -4.1,-4.1 -9.6,-4 -9.6,-4 0,0 -117.2,6.6 -177.9,8 -13.3,0.3 -26.5,0.6 -39.6,0.7 0,39.1 0,78.2 0,117.2 -5.5,-2.6 -11.1,-5.3 -16.6,-7.9 0,-36.4 -0.1,-109.2 -0.1,-109.2 -29,0.4 -89.2,-2.2 -89.2,-2.2 0,0 -141.4,-7.1 -156.8,-8.5 -9.8,-0.6 -22.5,-2.1 -39,1.5 -8.7,1.8 -33.5,7.4 -53.8,26.9 -45,40.1 -33.5,103.9 -32.1,113.5 1.7,11.7 6.9,44.2 31.7,72.5 45.8,56.1 144.4,54.8 144.4,54.8 0,0 12.1,28.9 30.6,55.5 25,33.1 50.7,58.9 75.7,62 63,0 188.9,-0.1 188.9,-0.1 0,0 12,0.1 28.3,-10.3 14,-8.5 26.5,-23.4 26.5,-23.4 0,0 12.9,-13.8 30.9,-45.3 5.5,-9.7 10.1,-19.1 14.1,-28 0,0 55.2,-117.1 55.2,-231.1 -1.1,-34.5 -9.6,-40.6 -11.6,-42.6 z M 125.6,353.9 c -25.9,-8.5 -36.9,-18.7 -36.9,-18.7 0,0 -19.1,-13.4 -28.7,-39.8 -16.5,-44.2 -1.4,-71.2 -1.4,-71.2 0,0 8.4,-22.5 38.5,-30 13.8,-3.7 31,-3.1 31,-3.1 0,0 7.1,59.4 15.7,94.2 7.2,29.2 24.8,77.7 24.8,77.7 0,0 -26.1,-3.1 -43,-9.1 z m 300.3,107.6 c 0,0 -6.1,14.5 -19.6,15.4 -5.8,0.4 -10.3,-1.2 -10.3,-1.2 0,0 -0.3,-0.1 -5.3,-2.1 l -112.9,-55 c 0,0 -10.9,-5.7 -12.8,-15.6 -2.2,-8.1 2.7,-18.1 2.7,-18.1 L 322,273 c 0,0 4.8,-9.7 12.2,-13 0.6,-0.3 2.3,-1 4.5,-1.5 8.1,-2.1 18,2.8 18,2.8 L 467.4,315 c 0,0 12.6,5.7 15.3,16.2 1.9,7.4 -0.5,14 -1.8,17.2 -6.3,15.4 -55,113.1 -55,113.1 z"
+   id="path3" />
+			<path
+   style="fill:#4b3aba"
+   d="m 326.8,380.1 c -8.2,0.1 -15.4,5.8 -17.3,13.8 -1.9,8 2,16.3 9.1,20 7.7,4 17.5,1.8 22.7,-5.4 5.1,-7.1 4.3,-16.9 -1.8,-23.1 l 24,-49.1 c 1.5,0.1 3.7,0.2 6.2,-0.5 4.1,-0.9 7.1,-3.6 7.1,-3.6 4.2,1.8 8.6,3.8 13.2,6.1 4.8,2.4 9.3,4.9 13.4,7.3 0.9,0.5 1.8,1.1 2.8,1.9 1.6,1.3 3.4,3.1 4.7,5.5 1.9,5.5 -1.9,14.9 -1.9,14.9 -2.3,7.6 -18.4,40.6 -18.4,40.6 -8.1,-0.2 -15.3,5 -17.7,12.5 -2.6,8.1 1.1,17.3 8.9,21.3 7.8,4 17.4,1.7 22.5,-5.3 5,-6.8 4.6,-16.3 -1.1,-22.6 1.9,-3.7 3.7,-7.4 5.6,-11.3 5,-10.4 13.5,-30.4 13.5,-30.4 0.9,-1.7 5.7,-10.3 2.7,-21.3 -2.5,-11.4 -12.6,-16.7 -12.6,-16.7 -12.2,-7.9 -29.2,-15.2 -29.2,-15.2 0,0 0,-4.1 -1.1,-7.1 -1.1,-3.1 -2.8,-5.1 -3.9,-6.3 4.7,-9.7 9.4,-19.3 14.1,-29 -4.1,-2 -8.1,-4 -12.2,-6.1 -4.8,9.8 -9.7,19.7 -14.5,29.5 -6.7,-0.1 -12.9,3.5 -16.1,9.4 -3.4,6.3 -2.7,14.1 1.9,19.8 -8.2,16.8 -16.4,33.6 -24.6,50.4 z"
+   id="path5" />
+		</g>
+	</g>
+</g>
+</svg>
diff --git a/static/static/img/mastodon_logo.svg b/static/static/img/mastodon_logo.svg
new file mode 100644
index 0000000..78c4c13
--- /dev/null
+++ b/static/static/img/mastodon_logo.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="61.076954mm" height="65.47831mm" viewBox="0 0 216.4144 232.00976">
+  <path fill="#4b3aba" d="M211.80734 139.0875c-3.18125 16.36625-28.4925 34.2775-57.5625 37.74875-15.15875 1.80875-30.08375 3.47125-45.99875 2.74125-26.0275-1.1925-46.565-6.2125-46.565-6.2125 0 2.53375.15625 4.94625.46875 7.2025 3.38375 25.68625 25.47 27.225 46.39125 27.9425 21.11625.7225 39.91875-5.20625 39.91875-5.20625l.8675 19.09s-14.77 7.93125-41.08125 9.39c-14.50875.7975-32.52375-.365-53.50625-5.91875C9.23234 213.82 1.40609 165.31125.20859 116.09125c-.365-14.61375-.14-28.39375-.14-39.91875 0-50.33 32.97625-65.0825 32.97625-65.0825C49.67234 3.45375 78.20359.2425 107.86484 0h.72875c29.66125.2425 58.21125 3.45375 74.8375 11.09 0 0 32.975 14.7525 32.975 65.0825 0 0 .41375 37.13375-4.59875 62.915"/>
+  <path fill="#fff" d="M177.50984 80.077v60.94125h-24.14375v-59.15c0-12.46875-5.24625-18.7975-15.74-18.7975-11.6025 0-17.4175 7.5075-17.4175 22.3525v32.37625H96.20734V85.42325c0-14.845-5.81625-22.3525-17.41875-22.3525-10.49375 0-15.74 6.32875-15.74 18.7975v59.15H38.90484V80.077c0-12.455 3.17125-22.3525 9.54125-29.675 6.56875-7.3225 15.17125-11.07625 25.85-11.07625 12.355 0 21.71125 4.74875 27.8975 14.2475l6.01375 10.08125 6.015-10.08125c6.185-9.49875 15.54125-14.2475 27.8975-14.2475 10.6775 0 19.28 3.75375 25.85 11.07625 6.36875 7.3225 9.54 17.22 9.54 29.675"/>
+</svg>
diff --git a/static/static/img/matrix_logo.svg b/static/static/img/matrix_logo.svg
new file mode 100644
index 0000000..a683ec9
--- /dev/null
+++ b/static/static/img/matrix_logo.svg
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg version="1.1" viewBox="0 0 75 32" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+<title>Matrix (protocol) logo</title>
+ <g fill="#4b3aba">
+  <path d="m0.936 0.732v30.52h2.194v0.732h-3.035v-31.98h3.034v0.732zm8.45 9.675v1.544h0.044a4.461 4.461 0 0 1 1.487-1.368c0.58-0.323 1.245-0.485 1.993-0.485 0.72 0 1.377 0.14 1.972 0.42 0.595 0.279 1.047 0.771 1.355 1.477 0.338-0.5 0.796-0.941 1.377-1.323 0.58-0.383 1.266-0.574 2.06-0.574 0.602 0 1.16 0.074 1.674 0.22 0.514 0.148 0.954 0.383 1.322 0.707 0.366 0.323 0.653 0.746 0.859 1.268 0.205 0.522 0.308 1.15 0.308 1.887v7.633h-3.127v-6.464c0-0.383-0.015-0.743-0.044-1.082a2.305 2.305 0 0 0-0.242-0.882 1.473 1.473 0 0 0-0.584-0.596c-0.257-0.146-0.606-0.22-1.047-0.22-0.44 0-0.796 0.085-1.068 0.253-0.272 0.17-0.485 0.39-0.639 0.662a2.654 2.654 0 0 0-0.308 0.927 7.074 7.074 0 0 0-0.078 1.048v6.354h-3.128v-6.398c0-0.338-7e-3 -0.673-0.021-1.004a2.825 2.825 0 0 0-0.188-0.916 1.411 1.411 0 0 0-0.55-0.673c-0.258-0.168-0.636-0.253-1.135-0.253a2.33 2.33 0 0 0-0.584 0.1 1.94 1.94 0 0 0-0.705 0.374c-0.228 0.184-0.422 0.449-0.584 0.794-0.161 0.346-0.242 0.798-0.242 1.357v6.619h-3.129v-11.41zm16.46 1.677a3.751 3.751 0 0 1 1.233-1.17 5.37 5.37 0 0 1 1.685-0.629 9.579 9.579 0 0 1 1.884-0.187c0.573 0 1.153 0.04 1.74 0.121 0.588 0.081 1.124 0.24 1.609 0.475 0.484 0.235 0.88 0.562 1.19 0.981 0.308 0.42 0.462 0.975 0.462 1.666v5.934c0 0.516 0.03 1.008 0.088 1.478 0.058 0.471 0.161 0.824 0.308 1.06h-3.171a4.435 4.435 0 0 1-0.22-1.104c-0.5 0.515-1.087 0.876-1.762 1.081a7.084 7.084 0 0 1-2.071 0.31c-0.544 0-1.05-0.067-1.52-0.2a3.472 3.472 0 0 1-1.234-0.617 2.87 2.87 0 0 1-0.826-1.059c-0.199-0.426-0.298-0.934-0.298-1.522 0-0.647 0.114-1.18 0.342-1.6 0.227-0.419 0.52-0.753 0.881-1.004 0.36-0.25 0.771-0.437 1.234-0.562 0.462-0.125 0.929-0.224 1.399-0.298 0.47-0.073 0.932-0.132 1.387-0.176 0.456-0.044 0.86-0.11 1.212-0.199 0.353-0.088 0.631-0.217 0.837-0.386s0.301-0.415 0.287-0.74c0-0.337-0.055-0.606-0.166-0.804a1.217 1.217 0 0 0-0.44-0.464 1.737 1.737 0 0 0-0.639-0.22 5.292 5.292 0 0 0-0.782-0.055c-0.617 0-1.101 0.132-1.454 0.397-0.352 0.264-0.558 0.706-0.617 1.323h-3.128c0.044-0.735 0.227-1.345 0.55-1.83zm6.179 4.423a5.095 5.095 0 0 1-0.639 0.165 9.68 9.68 0 0 1-0.716 0.11c-0.25 0.03-0.5 0.067-0.749 0.11a5.616 5.616 0 0 0-0.694 0.177 2.057 2.057 0 0 0-0.594 0.298c-0.17 0.125-0.305 0.284-0.408 0.474-0.103 0.192-0.154 0.434-0.154 0.728 0 0.28 0.051 0.515 0.154 0.706 0.103 0.192 0.242 0.342 0.419 0.453 0.176 0.11 0.381 0.187 0.617 0.231 0.234 0.044 0.477 0.066 0.726 0.066 0.617 0 1.094-0.102 1.432-0.309 0.338-0.205 0.587-0.452 0.75-0.739 0.16-0.286 0.26-0.576 0.297-0.87 0.036-0.295 0.055-0.53 0.055-0.707v-1.17a1.4 1.4 0 0 1-0.496 0.277zm11.86-6.1v2.096h-2.291v5.647c0 0.53 0.088 0.883 0.264 1.059 0.176 0.177 0.529 0.265 1.057 0.265 0.177 0 0.345-7e-3 0.507-0.022 0.161-0.015 0.316-0.037 0.463-0.066v2.426a7.49 7.49 0 0 1-0.882 0.089 21.67 21.67 0 0 1-0.947 0.022c-0.484 0-0.944-0.034-1.377-0.1a3.233 3.233 0 0 1-1.145-0.386 2.04 2.04 0 0 1-0.782-0.816c-0.191-0.353-0.287-0.816-0.287-1.39v-6.728h-1.894v-2.096h1.894v-3.42h3.129v3.42h2.29zm4.471 0v2.118h0.044a3.907 3.907 0 0 1 1.454-1.754 4.213 4.213 0 0 1 1.036-0.497 3.734 3.734 0 0 1 1.145-0.176c0.206 0 0.433 0.037 0.683 0.11v2.912a5.862 5.862 0 0 0-0.528-0.077 5.566 5.566 0 0 0-0.595-0.033c-0.573 0-1.058 0.096-1.454 0.287a2.52 2.52 0 0 0-0.958 0.783 3.143 3.143 0 0 0-0.518 1.158 6.32 6.32 0 0 0-0.154 1.434v5.14h-3.128v-11.4zm5.684-1.765v-2.582h3.128v2.582h-3.127zm3.128 1.765v11.4h-3.127v-11.4h3.128zm1.63 0h3.569l2.005 2.978 1.982-2.978h3.459l-3.745 5.339 4.208 6.067h-3.57l-2.378-3.596-2.38 3.596h-3.502l4.097-6.001zm15.3 20.84v-30.52h-2.194v-0.732h3.035v31.98h-3.035v-0.732z"/>
+ </g>
+</svg>
diff --git a/themes/datacoop2020/assets/static/css/style.scss b/themes/datacoop2020/assets/static/css/style.scss
index c3ac1db..7fc53e7 100644
--- a/themes/datacoop2020/assets/static/css/style.scss
+++ b/themes/datacoop2020/assets/static/css/style.scss
@@ -190,6 +190,21 @@ aside header a img {
     height              : 140px;
 }
 
+aside > footer {
+    position            : fixed;
+    bottom              : 0;
+}
+
+aside > footer img {
+    margin-right        : 5px;
+    opacity             : 0.5;
+}
+
+aside > footer img:hover {
+    opacity             : 1;
+}
+
+
 dl.dl-services {
     display             : grid;
     column-gap          : 2rem;
@@ -238,7 +253,15 @@ dl.dl-services {
         display             : none;
     }
 
-    aside nav.display {
+    aside.display nav {
+        display             : inherit;
+    }
+
+    aside > footer {
+        display             : none;
+    }
+
+    aside.display > footer {
         display             : inherit;
     }
 
@@ -254,6 +277,11 @@ dl.dl-services {
         font-size           : 3rem;
     }
 
+    aside > footer {
+        position            : relative;
+        bottom              : 0;
+    }
+
     header .nav-toggle {
         cursor              : pointer;
         display             : block;
diff --git a/themes/datacoop2020/layouts/_default/baseof.html b/themes/datacoop2020/layouts/_default/baseof.html
index 1b9a739..ab6ce44 100644
--- a/themes/datacoop2020/layouts/_default/baseof.html
+++ b/themes/datacoop2020/layouts/_default/baseof.html
@@ -13,6 +13,9 @@
                 </div>
             </header>
             {{ partial "nav.html" . }}
+            <footer>
+                {{ partial "footer.html" . }}
+            </footer>
         </aside>
         <main>
             <article>
@@ -21,7 +24,7 @@
         </main>
         <script>
             var menu = document.getElementById("nav-toggle-header");
-            var nav = document.getElementsByTagName('nav')[0];
+            var nav = document.getElementsByTagName('aside')[0];
 
             function toggleMenu() {
                 if ( menu.classList.contains("display") ) {
diff --git a/themes/datacoop2020/layouts/partials/footer.html b/themes/datacoop2020/layouts/partials/footer.html
new file mode 100644
index 0000000..016470a
--- /dev/null
+++ b/themes/datacoop2020/layouts/partials/footer.html
@@ -0,0 +1,3 @@
+<a rel="me" href="https://social.data.coop/@datacoop"><img src="/static/img/mastodon_logo.svg" alt="Mastodon logo" title="data.coop on Mastodon" width="40" height="40" /></a>
+<a href="https://git.data.coop/data.coop"><img src="/static/img/gitea_logo.svg" alt="Gitea logo" title="data.coop on Gitea" width="" height="40" /></a>
+<a href="https://matrix.to/#/#data.coop:data.coop"><img src="/static/img/matrix_logo.svg" alt="Matrix logo" title="data.coop on Matrix" width="" height="40" /></a>