Definition
celld is Deno’s open-source runtime implementing Cloudflare Workers-style primitives (including Durable Objects patterns) for self-hosted infrastructure, coordinating via object storage.
Key Points
- Launched ~August 2026 as Deno’s answer to vendor-locked edge compute
- 2026-10-09: deno team joins cloudflare to merge celld into workerd, making self-hosted Workers/Durable Objects a supported deployment path (2026-10-09-cloudflare-deno-joins-official)