Alternatives to Calendar

A Google Calendar assistant bot: create, edit and delete events, delegate tasks to contacts, and get a Google Sheets log of every appointment. Free.

Manages your existing Google Calendar from Telegram: add and check events without opening the Google Calendar app. Free.

Convert a time between any two time zones with one command — "/convert 3PM GMT to PST" — and set live countdowns to future events, right inside Telegram.

An AI productivity assistant that combines tasks, notes, files and holiday-aware scheduling in one chat, capturing input by text, voice, photo or OCR. Free core features; AI runs on your own API key (BYOK).