diff --git a/README.md b/README.md
index 91b2ef45..96bc3f26 100644
--- a/README.md
+++ b/README.md
@@ -459,15 +459,15 @@ Simple deployment of [E-mail](https://en.wikipedia.org/wiki/Email) servers, e.g.
 - [Dada Mail](https://dadamailproject.com/) - Web-based list management system that can be used for announcement lists and/or discussion lists. ([Source Code](https://github.com/justingit/dada-mail)) `GPL-2.0` `Perl`
 - [Gray Duck Mail](https://grayduckmail.com) - Self hosted email discussion list management that uses external email providers. ([Source Code](https://github.com/wagesj45/gray-duck-mail)) `GPL-3.0` `Docker`
 - [HyperKitty](https://wiki.list.org/HyperKitty) - Open source Django application to provide a web interface to access GNU Mailman v3 archives. ([Demo](https://lists.mailman3.org/), [Source Code](https://gitlab.com/mailman/hyperkitty)) `GPL-3.0` `Python`
-- [Keila](https://www.keila.io) - Self-hosted reliable and easy-to-use newsletter tool. Alternative to proprietary services like Mailchimp or Sendinblue. ([Demo](https://app.keila.io), [Source Code](https://github.com/pentacent/keila)) `AGPL-3.0` `Elixir`
-- [Listmonk](https://listmonk.app/) - High performance, self-hosted newsletter and mailing list manager with a modern dashboard. ([Source Code](https://github.com/knadh/listmonk)) `AGPL-3.0` `Go`
+- [Keila](https://www.keila.io) - Self-hosted reliable and easy-to-use newsletter tool. Alternative to proprietary services like Mailchimp or Sendinblue. ([Demo](https://app.keila.io), [Source Code](https://github.com/pentacent/keila)) `AGPL-3.0` `Docker`
+- [Listmonk](https://listmonk.app/) - High performance, self-hosted newsletter and mailing list manager with a modern dashboard. ([Source Code](https://github.com/knadh/listmonk)) `AGPL-3.0` `Go/Docker`
 - [Mailman](https://www.gnu.org/software/mailman/) - The Gnu mailing list server. `GPL-3.0` `Python`
 - [Mailtrain](https://github.com/Mailtrain-org/mailtrain) - Self hosted newsletter application. `GPL-3.0` `Nodejs`
 - [Mautic](https://www.mautic.org/) - Mautic is marketing automation software (email, social and more). ([Source Code](https://github.com/mautic/mautic)) `GPL-3.0` `PHP`
 - [phpList](https://phplist.org) - Newsletter and email marketing with advanced management of subscribers, bounces, and plugins. ([Source Code](https://github.com/phpList/phplist3)) `AGPL-3.0` `PHP`
 - [Postorius](https://docs.mailman3.org/projects/postorius/en/latest/) - Web user interface to access GNU Mailman. ([Source Code](https://gitlab.com/mailman/postorius/)) `GPL-3.0` `Python`
 - [Schleuder](https://schleuder.nadir.org/) - GPG-enabled mailing list manager with resending-capabilities. ([Source Code](https://0xacab.org/schleuder/schleuder/tree/master)) `GPL-3.0` `Ruby`
-- [Sympa](https://www.sympa.org/) - Mailing list manager. `GPL-2.0` `Perl`
+- [Sympa](https://www.sympa.community/) - Mailing list manager. `GPL-2.0` `Perl`
 
 
 ### Communication - Email - Webmail Clients