Rivet

Rivet is a library for long-lived processes with durable state, realtime, and scalability. Easily self-hostable and works with your infrastructure.

Cost

Free

Rating

★ Mixed Reviews

Time to value

Quick Setup (< 1 hour)

You can use Rivet to build backend applications with long-lived processes called Actors that maintain state in memory. Instead of fetching data from databases repeatedly, your state lives directly with your compute code for instant access. It handles real-time WebSocket connections, automatic scaling, and persistence while letting you write simple TypeScript code. Actors sleep when idle to save costs and wake up instantly when needed.

What Rivet does

Define actor templates with state schemaWrite actions that modify in-memory stateSet up real-time WebSocket broadcastingDeploy actors across multiple regionsMonitor actor state through web inspectorHandle cross-actor communication workflowsConfigure automatic persistence and replicationDebug actors using built-in REPL toolsIn-memory state persistence without database queriesBuilt-in WebSocket broadcasting for real-time updatesAutomatic actor sleep and wake for cost efficiencyZero-latency state access within actor memoryMulti-region deployment with edge computeSelf-hostable with single binary deploymentType-safe RPC actions in TypeScriptAutomatic failover and fault tolerance

Pricing breakdown

PlanPrice10 seats / yr

Open Source$0—

Annual estimates assume continuous billing at the listed list price. Volume discounts typical above 50 seats.

Tutorials & Demos

Frequently asked

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