Description: Joplin is an open source note taking and to-do application with markdown support, organization tools and end-to-end encryption. It is available on Windows, macOS, Linux, iOS and Android.
Type: software
Pricing: Open Source
Description: Mailman is an open source mailing list management system. It helps manage email discussion and announcement lists, allowing users to subscribe and unsubscribe, and helping admins moderate and post to the lists.
Type: software
Pricing: Free