Dev tools · alternatives · 2026
24 alternatives to Cal.com Platform
Build your pixel-perfect booking experience with Atoms
Cal.com Platform is a scheduling API that enables developers to integrate booking functionality into their applications. It handles complex scheduling challenges including timezone management, calendar integrations… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cal.com Platform launched in 2024; newer entries below may have overtaken it.
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Native iOS & Android App + Browser Extensions for scheduling
Jan 2026 · cal.com · its alternatives →
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World's first open source AI scheduling assistant
2023 · cal.com · its alternatives →
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Cal.com Routing▲586Auto schedule appointments with leads using clever logic
2025 · cal.com · its alternatives →
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Supercharged Cal.com scheduling with AI-powered calls
2025 · coss.com · its alternatives →
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SavvyCal▲1,132Sending your scheduling link shouldn't feel weird.
2021 · savvycal.com · its alternatives →
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zcal▲481The free Calendly alternative that makes scheduling personal
2021 · zcal.co · its alternatives →
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Recal.dev▲365Resend, but for Calendar & Scheduling. API. SDK. MCP.
2025 · recal.dev · its alternatives →
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Free and open-source. Simple alternative to cal.com / calendly, built on Google-App-Script for Gmail users. Built with modern technologies like React, TypeScript, Shadcn/UI, and Vite.
2024 · github.com · its alternatives →
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TimeTuna▲372I got inspired to build a scheduling tool that looks gorgeous (thanks to video backgrounds), and recommends you the best 3 time slots using AI as a default (with a full calendar being fall back)
Dec 2025 · timetuna.com · its alternatives →
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Leadmonk▲114Scheduling software for the mobile-first business world
2023 · leadmonk.io · its alternatives →
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Atomic▲140Hey HN, I’ve been building Atom (https://github.com/rush86999/atom), an open-source, self-hosted AI automation platform. I built this because while tools like OpenClaw are excellent for one-off scripts and personal tasks, I found them difficult to use for complex business workflows (e.g., managing invoices or SaaS ops). The main issue was State Blindness: the agent would fire a command and assume it worked, without "seeing" if the UI or state actually updated. I just shipped a new architecture to solve this called Canvas AI Accessibility. The Technical Concept: Instead of…
2023 · github.com · its alternatives →
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B12 Bookings▲196Bookings scheduling software that integrates with your site
2019 · b12.io · its alternatives →
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Scheduling app with pre-qualification and call automation
2020 · its alternatives →
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EasyCalendar▲108Appointment scheduler + minimalist CRM + integrations
2020 · easycalendar.com · its alternatives →
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42min▲26Free online scheduling with forms, meeting polls & open API
Jun 2026 · 42min.us · its alternatives →
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2025 · cal.build · its alternatives →
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The easiest way to book clients on your website 😊
2018 · cozycal.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →