What is Elmira?
Elmira is an open-source framework by Amazon that empowers developers to build real-time collaborative applications with ease. Built on Conflict-Free Replicated Data Types (CRDTs), Elmira ensures consistent, conflict-free editing experiences for distributed teams.
CRDT-Powered
Seamlessly resolves conflicts between concurrent edits
Multi-Platform
Works across web, mobile, and desktop applications
Serverless Ready
Optimized for AWS Lambda and DynamoDB
Our Mission
Empowering Global Collaboration
We believe that real-time collaboration should be accessible to all developers. Our mission is to remove technical barriers through open-source innovation and cloud-native architectures.
Founded in 2023 by AWS Labs, now maintained by a global community of 12,000+ contributors.
Technical Empowerment
We're committed to providing a powerful toolkit that removes the complexity of real-time synchronization. Whether you're building text editors, whiteboards, or collaborative applications, Elmira makes it simple.
Who We Are
Core Contributors
Lead by AWS Labs with contributions from 100+ companies including Google, Microsoft, and IBM. Powered by cloud-native architecture and open-source principles.
Community & Ecosystem
Elmira is part of a vibrant open-source community. Join our GitHub discussions, explore hundreds of integrations, and learn from our growing ecosystem.
Milestones
2023
Launched by AWS Labs as an open-source project for real-time collaboration. First CRDT-based framework with AWS-integrated session management.
2024
Released v2.0 with major CRDT optimizations, offline support, and first-class TypeScript integration. Adopted by over 1,000 commercial projects.
2025
Expanded framework capabilities with full-featured UI kits and enterprise-grade security. Now integrates with Slack, Teams, and all major cloud providers.
Join Us
Whether you're a developer, designer, or enterprise user, help us shape the future of real-time collaboration.