Slack is a team communication and collaboration app that helps users streamline their workflows. Prices range from $0 to $15+/user/month.
actiTIME is a time tracker that helps with project management and business performance analysis. actiTIME Online’s fees range from $0–$7/user/month.
Zoom is a video conferencing software that allows users to hold online meetings, courses, and webinars. Pricing ranges from $0-$19.99/host/month.