diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 00000000..8d3d19fb
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,9 @@
+# These are supported funding model platforms
+
+github: [edent, judeGibbons, baybal, RazrFalcon] # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: edent # Replace with a single Patreon username
+open_collective: edent # Replace with a single Open Collective username
+ko_fi: edent # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+custom: https://www.AMAZON.co.uk/gp/registry/ref=as_li_ss_tl?id=13GFCFR2B2IX4&tag=edentgithub-21 # Replace with a single custom sponsorship URL
diff --git a/README.md b/README.md
index 8929efa6..3124e655 100644
--- a/README.md
+++ b/README.md
@@ -242,6 +242,9 @@ Say thanks!
 </tr>
 <tr>
 <td>Patreon<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/patreon.svg" width="125" title="Patreon" /><br>250 Bytes</td>
+<td>Venmo<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/venmo.svg" width="125" title="Venmo" /><br>344 Bytes</td>
+<td>Square Cash<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/square-cash.svg" width="125" title="Square Cash App" /><br>792 Bytes</td>
+<td>OpenCollective<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/opencollective.svg" width="125" title="OpenCollective" /><br>475 Bytes</td>
 </tr>
 </table>
 
@@ -283,6 +286,7 @@ Say thanks!
 <td>Bluetooth<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/bluetooth.svg" width="125" title="Bluetooth" /><br>253 Bytes</td>
 <td>ePub<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/epub.svg" width="125" title="ePub" /><br>323 Bytes</td>
 <td>NextCloud<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/nextcloud.svg" width="125" title="NextCloud" /><br>312 Bytes</td>
+<td>Raspberry Pi<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/raspberry_pi.svg" width="125" title="Raspberry Pi" /><br>1002 Bytes</td>
 </tr>
 </table>
 
diff --git a/images/android-vector-drawable/raspberry_pi.xml b/images/android-vector-drawable/raspberry_pi.xml
new file mode 100644
index 00000000..e2910f04
--- /dev/null
+++ b/images/android-vector-drawable/raspberry_pi.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="512dp"
+    android:height="512dp"
+    android:viewportWidth="512"
+    android:viewportHeight="512">
+
+    <path
+        android:fillColor="#fff"
+        android:pathData="M15,0 L497,0 Q512,0,512,15 L512,497 Q512,512,497,512 L15,512 Q0,512,0,497 L0,15 Q0,0,15,0 Z" />
+    <path
+        android:fillColor="#000"
+        android:pathData="M129,63 C121,43,114,44,109,44 C105,39,100,41,96,42 C91,39,87,40,84,42 C81,39,76,41,75,44 C69,42,67,45,66,46 C57,45,58,54,59,55 C58,56,56,61,59,64 C57,68,60,71,62,72 C60,76,65,80,67,80 C67,85,71,88,74,88 C73,92,83,95,83,95 C62,104,65,127,65,127 C36,148,58,173,58,173 S63,208,82,212 C85,217,103,223,103,223 S110,234,129,234" />
+    <path
+        android:fillColor="#6cc04a"
+        android:pathData="M74,52 L70,48 L82,50 L79,46 L88,49 L86,45 L95,49 L95,45 L104,51 L104,46 L112,53 L112,49 C134,71,116,78,116,78 C99,64,79,58,79,58 S105,71,114,82 C114,82,110,97,84,91 L87,88 L78,86 L81,84 L72,80 L78,80 L69,74 L75,74 L66,68 L71,68 L63,62 L68,60 L63,53" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M69,133 C50,142,60,167,66,170 S81,128,69,133 M104,99 C111,101,74,131,73,125 C73,107,82,97,104,99 M99,164 C70,161,80,120,105,120 S127,164,99,164 M73,172 C64,178,76,215,99,207 C108,200,91,164,73,172" />
+    <path
+        android:fillColor="#000000"
+        android:pathData="M106,216 C123,240,151,221,150,214 S111,205,106,216 M151,181 C151,153,106,154,106,181 S149,209,151,181 M108,106 C113,91,142,91,148,105 S111,124,108,106" />
+</vector>
\ No newline at end of file
diff --git a/images/reference/RPi-Logo-SCREEN.png b/images/reference/RPi-Logo-SCREEN.png
new file mode 100755
index 00000000..c38e5e88
Binary files /dev/null and b/images/reference/RPi-Logo-SCREEN.png differ
diff --git a/images/reference/index.md b/images/reference/index.md
index 62a63e4e..3d88dd4d 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -150,3 +150,7 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/edge.svg" width="256" /> | <img src="/images/reference/edge.png" width="256" />  | https://commons.wikimedia.org/wiki/File:Microsoft_Edge_logo.svg |
 | <img src="/images/svg/opera.svg" width="256" /> | <img src="/images/reference/opera.png" width="256" />  | https://brand.opera.com/ |
 | <img src="/images/svg/firefox.svg" width="256" /> | <img src="/images/reference/firefox.svg" width="256" />  | https://design.firefox.com/photon/visuals/product-identity-assets.html |
+| <img src="/images/svg/raspberry_pi.svg" width="256" /> | <img src="/images/reference/RPi-Logo-SCREEN.png" width="256" />  | https://www.raspberrypi.org/trademark-rules/ |
+| <img src="/images/svg/venmo.svg" width="256" /> | <img src="/images/reference/venmo-icon.svg" width="256" />  | https://venmo.com/about/brand |
+| <img src="/images/svg/square-cash.svg" width="256" /> | <img src="/images/reference/square-cash-app-logo.jpg" width="256" />  | https://squareup.com/us/en/press |
+| <img src="/images/svg/opencollective.svg" width="256" /> | <img src="/images/reference/opencollective.svg" width="256" />  | https://opencollective.com/static/images/opencollective-icon.svg |
diff --git a/images/reference/opencollective.svg b/images/reference/opencollective.svg
new file mode 100644
index 00000000..243e5528
--- /dev/null
+++ b/images/reference/opencollective.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg width="40px" height="40px" viewBox="0 0 40 40" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <!-- Generator: Sketch 41.2 (35397) - http://www.bohemiancoding.com/sketch -->
+    <title>Slice</title>
+    <desc>Created with Sketch.</desc>
+    <defs/>
+    <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <g id="logo" transform="translate(0.000000, -1.000000)">
+            <g id="::-icon">
+                <path d="M32.7788917,20.921123 C32.7788917,23.4441232 32.0461424,25.8619985 30.7900009,27.8593737 L35.9192454,33.0104992 C38.4315285,29.6464989 40.0017054,25.4414984 40.0017054,20.921123 C40.0017054,16.4007475 38.4315285,12.1957471 35.9192454,8.83174675 L30.7900009,13.9828723 C32.0461424,15.9802475 32.7788917,18.2929977 32.7788917,20.921123 L32.7788917,20.921123 Z" id="Shape" fill="#B8D3F4"/>
+                <path d="M20.0135858,33.7463743 C13.000129,33.7463743 7.2428137,27.9644987 7.2428137,20.921123 C7.2428137,13.8777473 13.000129,8.09587168 20.0135858,8.09587168 C22.6305473,8.09587168 24.9334734,8.83174675 26.9223641,10.1983719 L32.0516087,5.04724637 C28.7018979,2.52424611 24.5147596,0.947370956 20.0135858,0.947370956 C9.02234752,0.947370956 0.0199999809,9.88299686 0.0199999809,21.026248 C0.0199999809,32.1694991 9.02234752,41 20.0135858,41 C24.619438,41 28.8065764,39.4231248 32.1562871,36.9001246 L27.0270426,31.7489991 C25.0381519,33.0104992 22.6305473,33.7463743 20.0135858,33.7463743 L20.0135858,33.7463743 Z" id="Shape" fill="#3385FF"/>
+            </g>
+        </g>
+    </g>
+</svg>
diff --git a/images/reference/square-cash-app-logo.jpg b/images/reference/square-cash-app-logo.jpg
new file mode 100644
index 00000000..6c973805
Binary files /dev/null and b/images/reference/square-cash-app-logo.jpg differ
diff --git a/images/reference/venmo-icon.svg b/images/reference/venmo-icon.svg
new file mode 100644
index 00000000..8861b2bc
--- /dev/null
+++ b/images/reference/venmo-icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 516 516"><defs><style>.a{fill:#3396cd;}.b{fill:#fff;}</style></defs><title>venmo-icon</title><rect class="a" width="516" height="516" rx="61" ry="61"/><path class="b" d="M385.16,105c11.1,18.3,16.08,37.17,16.08,61,0,76-64.87,174.7-117.52,244H163.49L115.28,121.65l105.31-10L246.2,316.82C270,278,299.43,217,299.43,175.44c0-22.77-3.9-38.25-10-51Z"/></svg>
\ No newline at end of file
diff --git a/images/svg/opencollective.svg b/images/svg/opencollective.svg
new file mode 100644
index 00000000..fe99cf04
--- /dev/null
+++ b/images/svg/opencollective.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="OpenCollective" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+rx="15%"
+fill="#fff"/><path d="m409 255c0 30-9 59-24 83l61 62c30-40 49-91 49-145s-19-105-49-145l-61 62c15 24 24 52 24 83z" fill="#b8d3f4"/><path d="m256 409c-84 0-153-69-153-154s69-154 153-154c31 0 59 9 83 25l61-62c-40-30-90-49-144-49-132 0-240 107-240 241s108 239 240 239c55 0 105-19 146-49l-61-62c-24 15-53 24-84 24z" fill="#3385ff"/></svg>
diff --git a/images/svg/raspberry_pi.svg b/images/svg/raspberry_pi.svg
new file mode 100644
index 00000000..e5337c13
--- /dev/null
+++ b/images/svg/raspberry_pi.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:x="http://www.w3.org/1999/xlink"
+aria-label="Raspberry Pi" role="img"
+viewBox="0 0 512 512" fill="#c51a4a"><rect
+width="512" height="512"
+rx="15%"
+fill="#fff"/><g transform="scale(2)"><g id="a"><path fill="#000" d="M129 63c-8-20-15-19-20-19-4-5-9-3-13-2-5-3-9-2-12 0-3-3-8-1-9 2-6-2-8 1-9 2-9-1-8 8-7 9-1 1-3 6 0 9-2 4 1 7 3 8-2 4 3 8 5 8 0 5 4 8 7 8-1 4 9 7 9 7-21 9-18 32-18 32-29 21-7 46-7 46s5 35 24 39c3 5 21 11 21 11s7 11 26 11"/><path fill="#6cc04a" d="M74 52l-4-4 12 2-3-4 9 3-2-4 9 4v-4l9 6v-5l8 7 v-4c22 22 4 29 4 29C99 64 79 58 79 58s26 13 35 24c0 0-4 15-30 9l3-3-9-2 3-2-9-4h6l-9-6h6l-9-6h5l-8-6l5-2l-5-7"/><path d="M69 133c-19 9-9 34-3 37s15-42 3-37m35-34c7 2-30 32-31 26 0-18 9-28 31-26m-5 65c-29-3-19-44 6-44s22 44-6 44m-26 8c-9 6 3 43 26 35 9-7-8-43-26-35"/></g><use x:href="#a" transform="matrix(-1 0 0 1 256 0)"/><path d="M106 216c17 24 45 5 44-2s-39-9-44 2m45-35c0-28-45-27-45 0s43 28 45 0m-43-75c5-15 34-15 40-1s-37 19-40 1"/></g></svg>
\ No newline at end of file
diff --git a/images/svg/square-cash.svg b/images/svg/square-cash.svg
new file mode 100644
index 00000000..3b453df6
--- /dev/null
+++ b/images/svg/square-cash.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="Square Cash" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+rx="15%"
+fill="#00d632"/><path d="m339.5 190.1c4 4 10.7 4 14.4 0l20-20.8c4.2-4 4-11.2-.5-15.6-15.7-13.7-34.1-24.2-53.9-30.8l6.3-30.5c1.4-6.7-3.6-12.9-10.3-12.9h-38.8c-5 .1-9.3 3.6-10.3 8.5l-5.6 27.1c-51.6 2.6-95.4 28.9-95.4 82.6 0 46.5 36.2 66.4 74.4 80.2 36.2 13.8 55.3 18.9 55.3 38.3 0 20-19.1 31.7-47.3 31.7-25.7 0-52.6-8.6-73.4-29.5-4.1-4.1-10.7-4.1-14.7 0l-21.5 21.6c-4.2 4.3-4.2 11.1 0 15.4 16.8 16.6 38.2 28.6 62.5 35.3l-5.9 28.6c-1.4 6.7 3.5 12.8 10.2 12.9l38.9.3c5.1 0 9.4-3.5 10.4-8.5l5.6-27.2c62.1-4.2 99.9-38.4 99.9-88.3 0-46-37.7-65.4-83.4-81.2-26.1-9.7-48.7-16.4-48.7-36.3 0-19.4 21.1-27.1 42.2-27.1 26.9 0 52.8 11.1 69.7 26.4z" fill="#fff"/></svg>
diff --git a/images/svg/venmo.svg b/images/svg/venmo.svg
new file mode 100644
index 00000000..737e90c8
--- /dev/null
+++ b/images/svg/venmo.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="Venmo" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+rx="15%"
+fill="#3396cd"/><path d="m381.4 105.3c11 18.1 15.9 36.7 15.9 60.3 0 75.1-64.1 172.7-116.2 241.2h-118.8l-47.6-285 104.1-9.9 25.3 202.8c23.5-38.4 52.6-98.7 52.6-139.7 0-22.5-3.9-37.8-9.9-50.4z" fill="#fff"/></svg>