Timy - Best way to send scheduled messages in Slack
Drift - A messaging app that helps you grow your business.
FLINK - Enriches communication across generations
SKEDit Scheduling App - SKEDit Scheduling App is a rich-featured scheduling application that entitles you to automate your messages by scheduling your WhatsApp messages, SMS, e-mails, post, and set call reminders to experience a healthy or tension-free lifestyle.
Annotable - Ultimate image annotation & markup tool
Schedule Share - Create and share read-only calendars