I Built a Google Calendar Add-on. Here’s What I Learned

Example of what the Tournacat add-on looks like.

I made Tournacat, an add-on that syncs upcoming Esports schedules of tournaments to Google Calendar. Two months later, Tournacat has garnered paid users and is slowly growing.

In this post, I will share my experience building Tournacat using various technologies, including Cloudflare Worker, Hugo, and Google Apps Script.