Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Elevate - Elevate is an award-winning brain training tool designed to build communication and analytical skills.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Peak - Peak is the automated way to keep track of what everyone is working on.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Brain Workshop - Brain Workshop is a open-source version of the dual n-back brain training exercise.