Unlimited add-to-calendar platform for live events & webinars

Make sure your events end up on their calendars — without limits.

Calen lets your attendees add webinars, masterclasses and IRL events to Google, Apple, Outlook and more with one click. Unlimited events, unlimited calendar adds — built for creators, communities and event teams.

So your passion never gets forgotten.

No credit card required • 500 subscribers free

Calen event page on mobile

Everything You Need to Grow Your Event Audience

Everything you need to create, share, and analyze your events

Your Events, Their Calendars, One Click

Attendees add your event directly to their personal calendar with a single click. No app downloads, no account creation. Works seamlessly with the calendars they already use every day.

Google CalendarApple CalendarOutlookYahoo

Flexible Event Types

Create single events, recurring series, or multi-day events. From one-time workshops to weekly classes, monthly meetups to annual conferences - we support all your event needs.

Build Your Loyal Audience

Turn one-time attendees into lifetime followers. When someone subscribes to you as an organizer, they'll never miss your future events.

  • Automatic e-mail notifications for new events
  • Direct email reach to engaged fans
  • Build a community that grows with you

From 0 to 500 Subscribers Free

Start building your audience today. No credit card needed until you reach 500 subscribers.

Beautiful Social Sharing

Auto-generated OGP images that make your events stand out on social media. Get more clicks and shares with professional-looking preview cards on Twitter, Facebook, and LinkedIn.

Data-Driven Event Growth

Coming Soon

Understand your audience and optimize future events with powerful analytics.

  • Track registration sources
  • Monitor engagement rates
  • See geographic distribution
  • Measure conversion funnel

How It Works

From idea to loyal audience in 4 simple steps

Step 1

Create Your Event

Build a beautiful event page in minutes with our simple form. Add details, images, and set your calendar.

Step 2

Share on Social

Post your event link anywhere. Auto-generated OGP images make it look professional on every platform.

Step 3

One-Click Calendar Add

Visitors click once to add your event to their Google, Apple, Outlook, or Yahoo calendar. No forms, no friction.

Step 4

Build Your Audience

Attendees can subscribe to you as an organizer. They'll automatically get notified about your future events.

Upcoming Events

Discover exciting events happening soon and join the ones that interest you

Da Viaggiatore a Travel Creator

Da Viaggiatore a Travel Creator

Business & Professional

Scopri come vivere di viaggi nel 2026. 3 serate per trasformare la tua passione per i viaggi un lavoro concreto senza improvvisare e senza mollare tutto da un giorno all’altro. Esci dal loop di un lavoro che non ti rispecchia e iniziare a costruire una vita in cui viaggiare sia la norma e non l’eccezione.

Feb 2, 2026 20:30:00-22:00:00
AI開発勉強会

AI開発勉強会

Science & Technology

Feb 3, 2026 19:00:00
Shibuya Startup Oasis
【イベント】カナダワーホリセミナー

【イベント】カナダワーホリセミナー

Business & Professional

ワーホリを“経験”で終わらせない。寿司は、世界で仕事になる。 【開催日時】2026年2月10日(火)20:00 【参加URL】 https://us02web.zoom.us/j/85036004013?pwd=kbo8aUCOHma2lwfbHMxANGL32n6pUa.1 本ウェビナーでは、 ・カナダワーホリのリアルな就労事情 ・現地で寿司職人がどのように評価されているのか ・ワーホリ前に身につけておくべき寿司スキルとは何か ・「行ってから考える」と「準備してから行く」の決定的な違い について、実例を交えながらお話しします。 ワーホリは、行くこと自体がゴールではありません。 その経験を「キャリア」に変えられるかどうかは、 出発前の選択で決まります。 海外で本気で働きたい方、 寿司を“世界で通用する仕事”にしたい方は、 ぜひこの機会にご参加ください。

Feb 10, 2026 20:00:00
オンライン開催

Frequently Asked Questions