← All open calls This call has closed

40C3 – Chaos Communication Congress

Organized by Chaos Computer Club

Proposals for this event are closed (the deadline was October 10, 2026). The event itself is still ahead. Many organizers open their next call around the same time each year. Below are open calls you can apply to now.

Hear when the next 40C3 opens its call for speakers. One email when it opens, then we stop. Free, account optional.

We use your address only for this alert, and the email has a one-click unsubscribe link.

Protected by reCAPTCHA. The Google Privacy Policy and Terms of Service apply.

Open calls you can still apply to

Closes in 5 days

AAPOR 2027 Annual Conference

American Association for Public Opinion Research (AAPOR) · Austin, Texas · May 2027

Public opinion researchAI, machine learning, and automation in research

Closes Dec 1, 2026

ACM TRUST 2027 Education Symposium

ACM TRUST 2027 · George Mason University Arlington Campus, Virginia, United States

Trustworthy and responsible AIAI literacy and ethics

Closes Dec 11, 2026

POSSIBLE 2027

POSSIBLE · Miami

PaidAI governance, ethics, and trustC-suite leadership and organizational change

Closes Jan 11, 2027

IEEE International Symposium on Ethics in Engineering, Science, and Technology (ETHICS-2027)

IEEE Society on Social Implications of Technology · Duke University, Durham, North Carolina, USA · Jun 2027

Character, professional integrity, and ethical responsibility in engineering and technologyEthical leadership in technology development, governance, and industry

Deadline not listed

World Conference 2027

AACC

Christian counseling and pastoral careMental health assessment and treatment

Deadline not listed

Tech Forward

Tech Impact

Nonprofit technologyData analysis and data science

Browse every open call

Submission deadline: October 10, 2026
Event date: December 27, 2026
Format: In person
Location: Hamburg, Germany
Compensation: Unpaid
Travel: Partially covered

About this call

The Chaos Communication Congress brings people together in Hamburg to exchange ideas about technology, society, civil rights, science, art and culture. Its main-stage call seeks talks and other stage formats, including contributions on security, hardware, research, politics and community projects. Accepted speakers giving a full talk receive free admission, and limited travel support may be available.

Topics

Information technology and networksComputer security and hackingHardwareScience and researchEthics, society and politicsArt and cultureChaos community projectsEntertainmentMusic and technology

Audience

HackersSecurity enthusiastsPeople interested in technology, society and civil rights

Session formats

Talks, normally in 60-minute slotsLecture performancesEntertainment stage formatsMusic workshops and talksInteractive formats