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

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

【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 -- 実は90%の人がワーホリで失敗しています。 滞在期間のほとんどを単純労働で過ごし貴重な期間を無駄にしているんです。 特別なスキルもなく語学力が乏しい人ができる仕事は限られています。 帰国後もワーホリの期間を評価されることなく「単なるキャリアの空白期間」と見なされ、再就職が困難になるケースが多数発生しているという事実。 ではワーホリで成功する人の共通点は何か? 成功する人は特別なスキルを身につけてからワーホリに挑んでいるという事実です。 特別なスキルがあると滞在先で重宝され、感謝されキャリアアップにも繋がります。 「でも特別なスキルなんて自分には無い」 「いまから特別なスキルを身につける時間なんてない」 安心してください。 飲食人大学では包丁を握ったことのない料理素人が3ヶ月でプロの寿司職人になれるスキルを身につけることができます。 日本人の寿司職人は海外で大人気です。 一生に一度のワーホリを充実したものにするためにまずは飲食人大学で3ヶ月過ごしませんか? 今回無料でセミナーを開催いたします。(100名様限定) 一生に一度のワーホリで10%の成功者になるための秘訣を1時間のセミナーで全て解説。 参加は『カレンダーに追加』ボタンを押すだけです。 今すぐ参加申請してください。

Feb 10, 2026 20:00:00
オンライン開催
2026 SGPT Marketing Webinar - HAMPER

2026 SGPT Marketing Webinar - HAMPER

Business & Professional

Join our live webinar, designed for SGPT gym owners, and learn how to market your gym successfully this year. Check your email for the Zoom link to join.

Feb 11, 2026 12:00:00-13:00:00

Frequently Asked Questions