Cal.ai Email Assistant
World's first open source AI scheduling assistant
Cal.ai Email Assistant launched on October 15, 2023 with 918 votes, #3 of 4,393 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Cal.ai is an open source AI scheduling assistant that automates meeting scheduling through email. It functions as a personal email assistant that handles calendar management and meeting coordination automatically. The tool is designed for professionals and teams who want to streamline their scheduling process without manual back-and-forth communication. Cal.ai integrates with email and calendar systems to manage appointments efficiently.
written from the facts on this page · September 2026
From the sources
Think of Cal.ai as your all-in-one AI scheduling assistant. With just a few easy steps, Cal.ai will set you up with your own personal email assistant that will automatically schedule meetings for you.
Cal.ai is a tool users can use to supercharge their appointment management and scheduling workflow.
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