CheerpJ: The Hackathon

Leaning Technologies

Join us for a fun hackathon around scientific Java applications running in the browser with CheerpJ!

Nexus - University of Leeds

Join us for a fun coding challenge and leverage the power of CheerpJ! The winning team will receive amazing prize$ ;) About CheerpJ CheerpJ is a tool that has been widely adopted in various fields to run Java code in the browser without requiring a local Java installation, including in educational and scientific applications. This allows for a wide range of applications to be available in the browser client-side, which might otherwise not be accessible without local installations and dependencies.The hackathon theme: scientific JavaJava is popular for scientific and educational purposes. We believe this is the perfect theme for the first edition of the CheerpJ hackathon, as it is not only enjoyable but also useful, leading to projects that can have a significant impact. Fun fact: most of our company team members have a scientific or engineering background, and we are deeply passionate about all things science! About the organisers We are Leaning Technologies, a tech company based in Leeds and Amsterdam! We make compilers and WebAssembly-based tech. We are hosting this hackathon event to encourage all tech enthusiast to experiment and play with our tech and create community. Please contact us to ana@leaningtech.com if you have any questions! Important notice, please read before you get your tickets! This a hybrid event that takes place from November 14th to December 1st 2025. Timetable<ul><li>14 November [hybrid: Discord &amp; Nexus, Leeds]: Kick-off session: We will host two sessions with the same content. One at 10:00 am and a second one at 14:00 pm so we fit everyone's schedules!</li><li>15 - 30 November [online support]: Hacking period, to work from wherever you want</li><li>1 December [Hybrid: Discord &amp; Nexus, Leeds]: Submission deadline and Closing session</li></ul>Book your tickets here on EventBrite to ensure your in-person venue spot :) You will need one ticket per day, make sure to get tickets only for the dates you want to attend in-person. Please notice that the in-person part of the event it's only for the opening and closing days and there is limited capacity. If the event gets full, don't worry, you can still participate online! Please cancel in case you can't make it so the spot is available for someone else! You don't have to attend to all the dates if you don't want to. Age restriction of 18+, if you are underage you can participate with permission, supervision and representation of a legal guardian or parent, please contact stefano@leaningtech.com to sort the consent forms. Important Links - Register your participation at <a href="https://forms.gle/LhzJpiWSECfRwFPx6" title="https://forms.gle/LhzJpiWSECfRwFPx6" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">https://forms.gle/LhzJpiWSECfRwFPx6</a> - Join our Discord server: <a href="http://discord.leaningtech.com/" title="http://discord.leaningtech.com/" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">http://discord.leaningtech.com/</a> - Hackathon website: <a href="https://labs.leaningtech.com/cheerpj-hackathon" title="https://labs.leaningtech.com/cheerpj-hackathon" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">https://labs.leaningtech.com/cheerpj-hackathon</a>

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CheerpJ: The Hackathon

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CheerpJ: The Hackathon

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