Message-level acknowledgments
Retry individual messages without breaking ordered delivery. Simplify consumer code and keep your streams clean.
Separation of processing & storage
Deploy diskless Stelcast brokers on Kubernetes. Scale compute elastically while storage sits on durable backends.
Pluggable Storage
Use the storage backend of your choice (initial support for S3 and MinIO, more options to follow).
Broker-side filtering
Define subscription filters so unwanted messages never leave the cluster. Efficient and cost-friendly.
Built-in Schema Management
Validate without an external registry. Fewer moving parts, safer evolution.
Pull and Push Subscriptions
Push directly to serverless functions or customer HTTP endpoints.
Run Anywhere
Cloud, hybrid, on‑prem. Stelcast fits into your environment without vendor lock‑in.
Built in Rust
A fast, memory‑safe core for predictable performance under pressure.
Dead Letter Topics built‑in
Handle undeliverable messages without the boilerplate of retry topics. Configure policies, we handle the plumbing.
No Partition Management for Ordering
Use ordering keys without manual partition juggling. Simpler scale, fewer incidents.