diff --git a/README.md b/README.md
index 48b22aa4..e943a686 100644
--- a/README.md
+++ b/README.md
@@ -503,6 +503,7 @@ Say thanks!
 <td>Jacobin<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/jacobin.svg" width="125" title="Jacobin Magazine"/><br>241 Bytes</td>
 <td>Keskonfai.fr<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/keskonfai.svg" width="125" title="Keskonfai"/><br>700 Bytes</td>
 <td>Olympic Rings<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/olympics.svg" width="125" title="Olympic Rings"/><br>678 Bytes</td>
+<td>Apache Guacamole<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/guacamole.svg" width="125" title="guacamole"/><br>1021 Bytes</td>
 <td>Outlook<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/outlook.svg" width="125" title="Outlook"/><br>973 Bytes</td>
 </tr>
 </table>
diff --git a/images/reference/guacamole.svg b/images/reference/guacamole.svg
new file mode 100644
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diff --git a/images/reference/index.md b/images/reference/index.md
index dde325f6..51a7252c 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -272,5 +272,6 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/elastic.svg" width="256" /> | <img src="/images/reference/elastic-vertical-reverse.svg" width="256" /> | https://www.elastic.co |
 | <img src="/images/svg/freebsd.svg" width="256" /> | <img src="/images/reference/freebsd.png" width="256" /> | https://freebsdfoundation.org/about-us/about-the-foundation/project/ |
 | <img src="/images/svg/lobsters.svg" width="256" /> | <img src="/images/reference/lobsters.png" width="256" /> | https://lobste.rs/ |
+| <img src="/images/svg/guacamole.svg" width="256" /> | <img src="/images/reference/guacamole.svg" width="256" /> | https://www.apache.org/logos/?#guacamole |
 | <img src="/images/svg/pornhub.svg" width="256" /> | <img src="/images/reference/pornhub.png" width="256" /> | https://www.pornhub.org/press |
 | <img src="/images/svg/outlook.svg" width="256" /> | <img src="/images/reference/outlook.jpg" width="256" /> | https://ow2.res.office365.com/owalanding/2021.8.25.01/images/outlook-icon.jpg
diff --git a/images/svg/guacamole.svg b/images/svg/guacamole.svg
new file mode 100644
index 00000000..53022340
--- /dev/null
+++ b/images/svg/guacamole.svg
@@ -0,0 +1,5 @@
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