RubyKaigi 2020 Sep 03 - 05, 2020
CFP closed

The CFP closed on Jan 14, 2020 at 23:59 JST

Thank you for all submitted proposals!

CFP Stats

138 proposals

RubyKaigi 2020 is an international Ruby conference that will take place in Matsumoto, Japan from April 9th to April 11th 2020, and we're looking for speakers!


  • RubyKaigi is an international tech conference about Ruby and open source. Your topic should be related to the Ruby programming language.

  • Taking a look at "Past Kaigis" (2019, 2018, 2017, 2016, 2015, 2014, 2013) linked from should give you an idea of the taste of the Kaigi.

  • The time slot for your talk will be 40 minutes.

  • Your talk can be given in either English (recommended) or Japanese. All Japanese talks will be simultaneously interpreted to English.

  • The CFP form will remain open until January 14th.

  • You need a GitHub and/or Twitter account to submit your proposal via this submission form.

  • We recommend you to submit your proposal early. The earlier you submit, the better the chance that your CFP will be reviewed and that you will get online feedback from the reviewers.

  • We require all selected talks to comply wholly with our Anti-Harassment Policy.

About the conference ticket

  • Accepted speakers will get free admission to the conference.

  • Even in case your talk is not accepted, you will be automatically eligible to buy a RubyKaigi ticket at the "Super Early Bird" price if you submit a proposal.