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4 self-hosted alternatives to OpenSlides (2026)

Presentation and assembly system for managing and projecting agenda, motions and elections of an assembly.

License: MIT · Language: Docker source code

indico source

Feature-rich event management system, made @ CERN, the place where the Web was born.

MITPython

motion.tools (Antragsgrün) source

Manage motions and amendments for (political) conventions.

AGPL-3.0PHP/Docker

osem source

Event management tailored to free Software conferences.

MITRuby/Docker

pretalx source

Web-based event management, including running a Call for Papers, reviewing submissions, and scheduling talks. Exports and imports for various related tools.

Apache-2.0Python

All 5 apps in conference-management →