Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.
Enago Read - All In One AI-Powered Reading Assistant. A Reading Space to Ideate, Create Knowledge and Collaborate on Research
Plan - Plan is a better way to organize.
Iris AI - Your Research Workspace - a comprehensive AI platform for all your research processing.
Daybridge - A calendar built for people, not companies.
FirstIgnite - Matching scientific research to business needs