diff --git a/README.md b/README.md
index c61de96b..4ecb82a2 100644
--- a/README.md
+++ b/README.md
@@ -318,6 +318,7 @@ _Simple deployment of a mail server, e.g. for inexperienced or impatient admins.
 - [Modoboa](http://modoboa.org/en/) - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. ([Source Code](https://github.com/tonioo/modoboa)) `MIT` `Python`
 - [Qmailtoaster](http://www.qmailtoaster.com/) - Stable, full-featured, easy-to-install mail server based on qmail. ([Source Code](https://github.com/QMailToaster/)) `Multiple` `Linux`
 - [Simple NixOS Mailserver](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver) - Complete mailserver solution leveraging the Nix Ecosystem. `GPL-3.0` `Nix`
+- [wildduck](https://wildduck.email/) - Scalable no-SPOF IMAP/POP3 mail server. ([Source Code](https://github.com/nodemailer/wildduck)) `EUPL-1.2` `Node.js`
 
 #### Mail Transfer Agents
 
@@ -1516,6 +1517,7 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
 - `DPL` - [Devblocks Public License 1.0](https://cerb.ai/license/)
 - `ECL-2.0` - [Educational Community License, Version 2.0 ](http://opensource.org/licenses/ECL-2.0)
 - `EPL-1.0` - [Eclipse Public License, Version 1.0](https://www.eclipse.org/legal/epl-v10.html)
+- `EUPL-1.2` - [European Union Public License 1.2](https://joinup.ec.europa.eu/collection/eupl/eupl-text-11-12)
 - `GFDL-1.1-only` - [GNU Free Documentation License v1.1](https://spdx.org/licenses/GFDL-1.1-only.html)
 - `GFDL-1.1-or-later` - [GNU Free Documentation License v1.1](https://spdx.org/licenses/GFDL-1.1-or-later.html)
 - `GFDL-1.2-only` - [GNU Free Documentation License v1.2](https://spdx.org/licenses/GFDL-1.2-only.html)