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kalamstack/KalamDB](https:

Relational Databases

A SQL‑first realtime backend that lets agents, frontends and workflows query and mutate the same database directly via HTTP SQL and WebSocket subscriptions.

Rust Latest v0.5.2-rc.1 · 4d ago Security brief →

Features

  • Single SQL API for both backend services and frontend clients
  • Live row updates over WebSockets without a separate sync layer
  • Per‑user data isolation with built‑in auth (Basic, JWT, OAuth2) and RBAC
  • Hybrid storage engine combining RocksDB writes with Parquet analytics
  • Vector embeddings and search for AI‑enabled workflows

Recent releases

View all 6 releases →
Review required
v0.5.2-rc.1 New feature
Auth

OIDC auth + headless device

No immediate action
v0.5.1-beta.2 Breaking risk

Live events API + React live queries + wasm fix

Review required
v0.5.0-beta.1 Breaking risk
Auth RBAC

Subject‑scoped user‑table reads

Review required
v0.4.3-rc.4 Breaking risk
Auth RBAC

System role grant fix

Config change
v0.4.2-rc.3 Breaking risk
Auth

OIDC auth extraction

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About

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Rust TypeScript JavaScript
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TypeScript
Types included ✓

Beta — feedback welcome: [email protected]