qutip · Langhaarzombie · Apr 15, 2026 · Apr 15, 2026 · Apr 15, 2026 · Apr 15, 2026
diff --git a/_includes/donate.html b/_includes/donate.html
diff --git a/_includes/footer.html b/_includes/footer.html
@@ -34,6 +34,7 @@
             <li><a href="/news">News</a></li>
             <li><a href="/devs">Devs</a></li>
             <li><a href="/citing">Citing</a></li>
+            <li><a href="https://github.com/sponsors/qutip">Sponsor</a></li>
         </ul>
         <p class="col-lg-4 col-md-12">
             &copy; 2011 to 2025 inclusive, QuTiP developers and contributors.

diff --git a/_includes/navbar.html b/_includes/navbar.html
@@ -85,6 +85,7 @@
                         <li><a class="dropdown-item" href="/news">News</a></li>
                         <li><a class="dropdown-item" href="/devs">Devs</a></li>
                         <li><a class="dropdown-item" href="/citing">Citing</a></li>
+                        <li><a class="dropdown-item" href="https://github.com/sponsors/qutip">Sponsor</a></li>
                     </ul>
                 </li>
                 <li class="nav-item">

diff --git a/_includes/old_sidebar.html b/_includes/old_sidebar.html
@@ -32,6 +32,7 @@
     <a href="https://github.com/qutip/qutip/wiki">Wiki</a> <br/>
     <a href="https://github.com/qutip/qutip/blob/master/LICENSE.txt">License</a> <br/>
     <a href="/cofc.html">Code of conduct</a> <br/>
+    <a href="https://github.com/sponsors/qutip">Sponsor QuTiP</a> <br/>
   </div>
 </div>
 

diff --git a/_includes/sponsor.html b/_includes/sponsor.html
@@ -0,0 +1,10 @@
+<div class="container-xxl my-center-section">
+    <div class="sponsor">
+        <img src="/images/logo.png" class="mx-auto">
+        <h2>Enjoying QuTiP?</h2>
+        <p>Consider sponsoring to support its development.</p>
+        <a href="https://github.com/sponsors/qutip" target="_blank" class="mx-auto mx-md-0 btn btn-primary">
+            Sponsor QuTiP!
+        </a>
+    </div>
+</div>
diff --git a/_layouts/post.html b/_layouts/post.html
@@ -9,4 +9,4 @@ <h1 style="margin-top: 1rem;">{{ page.title }}</h1>
 
 {{ content }}
 
-{% include donate.html %}
+{% include sponsor.html %}
diff --git a/css/site.css b/css/site.css
@@ -278,12 +278,12 @@ a.btn:focus {
   margin-bottom: 15px;
 }
 
-.donate {
+.sponsor {
   margin-top: 2.5rem;
   margin-bottom: 2.5rem;
 }
 
-.donate img {
+.sponsor img {
   max-width: 300px;
   width: 70%;
 }

diff --git a/devs.md b/devs.md
@@ -15,13 +15,14 @@ For the detailled list of all our contributors, check out [our GitHub repositori
     <div class="banner">
         <p>
             Do you want to contribute to QuTiP? Learn how on
-            <a href="https://github.com/qutip" target="about:blank">
+            <a href="https://github.com/qutip">
                 GitHub
             </a>
-            or consider 
-            <a href="" target="about:blank">
-                donating.
+            or consider
+            <a href="https://github.com/sponsors/qutip" target="_blank">
+                sponsoring
             </a>
+            the project.
         </p>
     </div>
 </div>

diff --git a/education.md b/education.md
@@ -98,4 +98,4 @@ Educators around the world use QuTiP to create interactive examples, while stude
     </div>
 </div>
 
-{% include donate.html %}
+{% include sponsor.html %}
diff --git a/research.md b/research.md
@@ -144,4 +144,4 @@ Backed by a strong community all over the world, extensive documentation and tut
 </div>
 
 {% include supp_org.html %}
-{% include donate.html %}
+{% include sponsor.html %}
Original file line number	Diff line number	Diff line change
Expand Up		@@ -9,4 +9,4 @@ <h1 style="margin-top: 1rem;">{{ page.title }}</h1>

		{{ content }}

		{% include donate.html %}
		{% include sponsor.html %}
-Original file line number
+Diff line change
@@ Expand Up @@
         </div>
     </div>
-    {% include donate.html %}
+    {% include sponsor.html %}