Caldav is a protocol that allows different clients/servers to access scheduling information on remote servers as well as schedule meetings with other users on the same server or other servers. It extends WebDAV specification and uses iCalendar format for the data.

Element is an open-source communication platform that provides messaging, voice calling, and video conferencing capabilities. It is based on the Matrix protocol, which is a decentralized and federated messaging protocol designed to enable secure and interoperable communication across different platforms and services."

Facetime makes it super simple for collaborating teams to jump on a video call.

Umami makes it easy to collect, analyze, and understand your web data — while maintaining visitor privacy and data ownership.

Jitsi is a free open-source video conferencing software for web and mobile. Make a call, launch on your own servers, integrate into your app, and more.

The joyful productivity app

Attio is the AI-native CRM that builds, scales and grows your company to the next level.

You simply paste a Cal.com link of someone, select a frequency and we will take care of the scheduling for you.

Request a signed Business Associate Agreement for your HIPAA compliance records

BTCPay Server is a self-hosted open source Bitcoin payment processor. Start receiving bitcoin payments for your events and bookings.

Feel connected with your remote team. Team events, new hire onboardings, coffee chats, all on Campfire. No more awkward Zoom calls.

Add Cal.com to your Chatbase AI Chatbot and accept bookings right inside chat.

Create, List and Interact with Your Cal.com links and connections easily.

All of your commitments, now in one place.

Integrate Deel with your Calendar and get automatic updates on key employee dates like PTO, start days, public holidays, and birthdays. No manual entry. No errors. Just a calendar that's always in sync with your team.

Run Professional Video Meetings, Coach Sales Teams in Real-Time with AI, And Schedule Meetings on Auto-Pilot. 100% GDPR Compliant, Enterprise Ready.

A new way to meet, with built-in Ai

The best video conferencing solution for businesses of any size. Fully secure, reliable, packed with features and ridiculously simple to use.

Create the most realistic speech with our AI audio platform

Fetch Microsoft Exchange calendars and availabilities using Exchange Web Services (EWS).

Fathom Analytics provides simple, privacy-focused website analytics. We're a GDPR-compliant, Google Analytics alternative.

Der KI-Telefonassistent auf Deutsch

Add Cal.com to Framer, the design tool for websites. Design freely, publish fast, and scale with CMS, SEO, analytics, and more.

The AI notepad for people in back-to-back meetings for MacOS

Workrooms is an immersive virtual space, where you and your team can work better together, from anywhere

Huddle01 is a new video conferencing software native to Web3 and is comparable to a decentralized version of Zoom. It supports conversations for NFT communities, DAOs, Builders and also has features such as token gating, NFTs as avatars, Web3 Login + ENS and recording over IPFS.

Import events from an ICS Feed into Cal.com.

Insihts is an all-in-one platform for businesses looking to track user behavior, optimize workflows, and make data-driven decisions. Whether you are a marketer, product manager, or part of a customer success team, Insihts provides the tools you need to succeed.

Linear is a better way to build products. Connect your calendar to automate your status

Google Analytics alternative that protects your data and your customers' privacy

Peer to peer real-time video conferences, optimized for small groups. Unlimited time, unlimited rooms each having 5-8 participants.

The mock payment app for tests

Automate without limits. The workflow automation platform that doesn't box you in, that you never outgrow

Paypal payment app by Cal.com

Ping.gg makes high quality video collaborations easier than ever. Think 'Zoom for streamers and creators'. Join a call in 3 clicks, manage audio and video like a pro, and copy-paste your guests straight into OBS

Simple, privacy-friendly Google Analytics alternative.

PostHog is the all-in-one platform for building better products - with product analytics, feature flags, session recordings, a/b testing, heatmaps, and more.

Easily generate a QR code for your links to print, share, or embed.

Quickly share your Cal.com meeting links with Raycast

Roam is Your Whole Company in one HQ

Unlock real-time AI and take your sales game to the next level

SendGrid delivers your transactional and marketing emails through the world's largest cloud-based email delivery platform.

Video meetings made for music. Create your own virtual music classroom, easily.

Skype is for connecting with the people that matter most in your life and work. It's built for both one-on-one and group conversations and works wherever you are – via mobile, PC and Alexa. Skype messaging and HD voice and video calling will help you share experiences and get things done with others.

A Saas company a payment processing software, and application programming interfaces for e-commerce websites and mobile applications.

Free Audio and Video Conferencing, Online Collaboration, Screen Sharing on web browser, mobile and desktop.

Effortless Human-Like AI Phone Calls and Scheduling

telli AI agents reach your customers, make calls independently & enhance your customer experience - fully integrated into Cal.com.

Twipla.com, formerly known as Visitor Analytics, is a website intelligence platform that helps you understand how visitors interact with your website.

The world's fastest calendar, beautifully designed for a remote world

Schedule a chat with your guests or have a WhatsApp Video call.

Realtime Sales AI

Embedded booking pages right into your wordpress page

Add Meta Pixel to your bookings page to measure, optimize and build audiences for your ad campaigns.

Build next-gen voice agents with 500ms latency

Apple calendar runs both the macOS and iOS mobile operating systems. Offering online cloud backup of calendars using Apple's iCloud service, it can sync with Google Calendar and Microsoft Exchange Server. Users can schedule events in their day that include time, location, duration, and extra notes.

Crafting your personalized AI-driven assistant is easy and fast.

24x7 AI receptionists to answer all inbound calls

Privacy-first web analytics for devs (Google Analytics alternative) — 3 KB, GDPR-compliant

Connect APIs, remarkably fast. Stop writing boilerplate code, struggling with authentication and managing infrastructure. Start connecting APIs with code-level control when you need it — and no code when you don't

Copy your server invite link and start scheduling calls in Discord! Discord is a VoIP and instant messaging social platform. Users have the ability to communicate with voice calls, video calls, text messaging, media and files in private chats or as part of communities.

Supercharge your Call Operations with AI

For calendars hosted on on-premises Microsoft Exchange 2013 servers

Your online recording studio. The easiest way to record podcasts and videos in studio quality from anywhere. All from the browser.

For calendars hosted on on-premises Microsoft Exchange 2016 servers

It would allow a booker to connect with the right person or choose the right event, faster. It would work by taking inputs from the booker and using that data to route to the correct booker/event as configured by Cal user

Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand.

Schedule a chat with your guests or have a Signal Video call.

Connect Cal.com to Greetmate.ai and enable appointment scheduling for your AI agents.

Schedule a chat with your guests or have a Telegram Video call.

App to install Google Tag Manager

HitPay's Cal.com payment integration combines powerful scheduling with seamless local payment acceptance. Our online scheduling software integration is built for customers in APAC, supporting their favorite e-wallets and banking apps.

Get the local weather forecast with icons in your calendar

Build AI agents in minutes to automate workflows, save time and grow your business

Whereby makes it super simple for collaborating teams to jump on a video call.

Wipe My Cal is a Cal.com exclusive app that redefines what it looks like to reschedule multiple meetings at the same time. Simply install the app, and select 'Wipe' for whatever date you need to mass reschedule. Handle emergencies, unexpected sick days and last minute events with the simple click of a button.

Realtime Sales AI

Privacy-first web analytics for devs (Google Analytics alternative) — 3 KB, GDPR-compliant

Add Cal.com to Framer, the design tool for websites. Design freely, publish fast, and scale with CMS, SEO, analytics, and more.

Der KI-Telefonassistent auf Deutsch

BTCPay Server is a self-hosted open source Bitcoin payment processor. Start receiving bitcoin payments for your events and bookings.

Build AI agents in minutes to automate workflows, save time and grow your business

Connect Cal.com to Greetmate.ai and enable appointment scheduling for your AI agents.

Crafting your personalized AI-driven assistant is easy and fast.

Build next-gen voice agents with 500ms latency

Create the most realistic speech with our AI audio platform

Insihts is an all-in-one platform for businesses looking to track user behavior, optimize workflows, and make data-driven decisions. Whether you are a marketer, product manager, or part of a customer success team, Insihts provides the tools you need to succeed.

HitPay's Cal.com payment integration combines powerful scheduling with seamless local payment acceptance. Our online scheduling software integration is built for customers in APAC, supporting their favorite e-wallets and banking apps.

The AI notepad for people in back-to-back meetings for MacOS

Add Cal.com to your Chatbase AI Chatbot and accept bookings right inside chat.

Attio is the AI-native CRM that builds, scales and grows your company to the next level.

A new way to meet, with built-in Ai

telli AI agents reach your customers, make calls independently & enhance your customer experience - fully integrated into Cal.com.

Supercharge your Call Operations with AI

24x7 AI receptionists to answer all inbound calls

Embedded booking pages right into your wordpress page

Whereby makes it super simple for collaborating teams to jump on a video call.

Schedule a chat with your guests or have a WhatsApp Video call.

Get the local weather forecast with icons in your calendar

The world's fastest calendar, beautifully designed for a remote world

Umami makes it easy to collect, analyze, and understand your web data — while maintaining visitor privacy and data ownership.

Twipla.com, formerly known as Visitor Analytics, is a website intelligence platform that helps you understand how visitors interact with your website.

Schedule a chat with your guests or have a Telegram Video call.

Effortless Human-Like AI Phone Calls and Scheduling

Free Audio and Video Conferencing, Online Collaboration, Screen Sharing on web browser, mobile and desktop.

A Saas company a payment processing software, and application programming interfaces for e-commerce websites and mobile applications.

Skype is for connecting with the people that matter most in your life and work. It's built for both one-on-one and group conversations and works wherever you are – via mobile, PC and Alexa. Skype messaging and HD voice and video calling will help you share experiences and get things done with others.

Video meetings made for music. Create your own virtual music classroom, easily.

Schedule a chat with your guests or have a Signal Video call.

SendGrid delivers your transactional and marketing emails through the world's largest cloud-based email delivery platform.

Unlock real-time AI and take your sales game to the next level

It would allow a booker to connect with the right person or choose the right event, faster. It would work by taking inputs from the booker and using that data to route to the correct booker/event as configured by Cal user

Roam is Your Whole Company in one HQ

Your online recording studio. The easiest way to record podcasts and videos in studio quality from anywhere. All from the browser.

Quickly share your Cal.com meeting links with Raycast

Easily generate a QR code for your links to print, share, or embed.

PostHog is the all-in-one platform for building better products - with product analytics, feature flags, session recordings, a/b testing, heatmaps, and more.

Simple, privacy-friendly Google Analytics alternative.

Connect APIs, remarkably fast. Stop writing boilerplate code, struggling with authentication and managing infrastructure. Start connecting APIs with code-level control when you need it — and no code when you don't

Ping.gg makes high quality video collaborations easier than ever. Think 'Zoom for streamers and creators'. Join a call in 3 clicks, manage audio and video like a pro, and copy-paste your guests straight into OBS

Paypal payment app by Cal.com

Automate without limits. The workflow automation platform that doesn't box you in, that you never outgrow

The mock payment app for tests

Peer to peer real-time video conferences, optimized for small groups. Unlimited time, unlimited rooms each having 5-8 participants.

Add Meta Pixel to your bookings page to measure, optimize and build audiences for your ad campaigns.

Google Analytics alternative that protects your data and your customers' privacy

Linear is a better way to build products. Connect your calendar to automate your status

Import events from an ICS Feed into Cal.com.

Workrooms is an immersive virtual space, where you and your team can work better together, from anywhere

App to install Google Tag Manager

Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand.

Fathom Analytics provides simple, privacy-focused website analytics. We're a GDPR-compliant, Google Analytics alternative.

Facetime makes it super simple for collaborating teams to jump on a video call.

Fetch Microsoft Exchange calendars and availabilities using Exchange Web Services (EWS).

For calendars hosted on on-premises Microsoft Exchange 2016 servers

For calendars hosted on on-premises Microsoft Exchange 2013 servers

Element is an open-source communication platform that provides messaging, voice calling, and video conferencing capabilities. It is based on the Matrix protocol, which is a decentralized and federated messaging protocol designed to enable secure and interoperable communication across different platforms and services."

The best video conferencing solution for businesses of any size. Fully secure, reliable, packed with features and ridiculously simple to use.

Copy your server invite link and start scheduling calls in Discord! Discord is a VoIP and instant messaging social platform. Users have the ability to communicate with voice calls, video calls, text messaging, media and files in private chats or as part of communities.

Run Professional Video Meetings, Coach Sales Teams in Real-Time with AI, And Schedule Meetings on Auto-Pilot. 100% GDPR Compliant, Enterprise Ready.

Integrate Deel with your Calendar and get automatic updates on key employee dates like PTO, start days, public holidays, and birthdays. No manual entry. No errors. Just a calendar that's always in sync with your team.

All of your commitments, now in one place.

Create, List and Interact with Your Cal.com links and connections easily.

Feel connected with your remote team. Team events, new hire onboardings, coffee chats, all on Campfire. No more awkward Zoom calls.

Request a signed Business Associate Agreement for your HIPAA compliance records

You simply paste a Cal.com link of someone, select a frequency and we will take care of the scheduling for you.

The joyful productivity app

Huddle01 is a new video conferencing software native to Web3 and is comparable to a decentralized version of Zoom. It supports conversations for NFT communities, DAOs, Builders and also has features such as token gating, NFTs as avatars, Web3 Login + ENS and recording over IPFS.

Wipe My Cal is a Cal.com exclusive app that redefines what it looks like to reschedule multiple meetings at the same time. Simply install the app, and select 'Wipe' for whatever date you need to mass reschedule. Handle emergencies, unexpected sick days and last minute events with the simple click of a button.

Jitsi is a free open-source video conferencing software for web and mobile. Make a call, launch on your own servers, integrate into your app, and more.

Caldav is a protocol that allows different clients/servers to access scheduling information on remote servers as well as schedule meetings with other users on the same server or other servers. It extends WebDAV specification and uses iCalendar format for the data.

Apple calendar runs both the macOS and iOS mobile operating systems. Offering online cloud backup of calendars using Apple's iCloud service, it can sync with Google Calendar and Microsoft Exchange Server. Users can schedule events in their day that include time, location, duration, and extra notes.