Why Choose Atria?
Event-Focused, Not Platform-Focused
When managing an event, you see only that event. No distracting sidebars, no unrelated organizations, no feature overload. Just powerful tools to run your event and facilitate meaningful networking.
True Open Source & Data Ownership
AGPL-3.0 licensed with complete transparency. Your data stays yours - export or migrate anytime. Self-host for free or use managed hosting. No vendor lock-in, no surprise pricing.
Built for Real Events
Corporations, nonprofits, education, faith organizations, influencers, communities - Atria handles conferences, fundraising galas, workshops, church events, creator meetups, professional associations, and everything in between.
Core Features
Event Management
Multi-day events with complex session scheduling, drag-and-drop speaker management, real-time status updates, and hybrid event support (virtual + in-person).
Professional Networking
Icebreaker system for personalized connection requests, attendee discovery by role and interests, privacy controls, and connection management.
Real-Time Communication
Multi-level chat (general, Q&A, networking, session-specific), direct messaging, administrative channels, and Socket.IO powered instant messaging.
Multi-Tenant Architecture
Organization-level management with data isolation, role-based access control, event-level permissions, and complete data security.
Sponsor Management
Multi-tier system with rich profiles, drag-and-drop reordering, and automatic image optimization (WebP conversion, 80-90% size reduction).
Security & Developer Experience
HTTPOnly cookie authentication, JWT with refresh tokens, granular permissions, comprehensive OpenAPI docs, and Docker-first deployment.
Built with Modern Technology
Backend
Python 3.13 with Flask framework, PostgreSQL 15 with SQLAlchemy ORM, Redis 7 for caching and real-time features, Flask-SocketIO, and S3-compatible storage.
Frontend
React 18 with Vite 6, Mantine UI 7 components, Redux Toolkit + RTK Query for state management, Socket.IO Client for real-time updates, and Zod validation.
Flexible Deployment Options
Self-Hosted (Free)
Complete control and data ownership. Free under AGPL-3.0. Perfect for organizations with specific compliance requirements. Users only connect within your events.
Managed Hosting (atria.gg)
Free during Early Access with no event size limits. Cross-event networking, zero infrastructure management, and broader community reach. Free tier (50 attendees) after v1.0.
Custom Private Instance
Managed setup with complete isolation, custom branding and features, flexible commercial licensing, and custom data retention. Contact us for pricing.