
Besides the clean and modern interface, the app also offers a strong set of features for planning, scheduling, and invoicing your work. Paymo is a work and project management solution that brings everyone on your team on the same page. Paymo – task management and time tracking directly from Slack

You’ll also be notified if an event is canceled altogether and whenever a change occurs to an event, so you don’t miss its exact start date or location. You’ll receive notifications prior to an event and daily or weekly summaries of all your calendar entries to a channel of your choice based on the rules you’ve set.
This shared calendar is a free Slack app that allows you to keep your events and tasks organized. Stay productive! Google Calendar for Team Events – customizable reminders for all team events If you want more, you’ll need to upgrade your Slack plan.

Note: You can only add up to 10 Slack apps for free accounts.
