Temporal Has a Free Workflow Engine — Durable Execution for Mission-Critical Processes

Temporal is a durable execution platform that makes complex distributed systems reliable.

What You Get for Free

• Durable execution — code survives crashes, restarts, deployments
• Workflow as code — write workflows in Go, Java, Python, TypeScript, .NET
• Activity retries — automatic retry with configurable policies
• Timers — sleep for days/months without holding resources
• Signals & queries — interact with running workflows
• Child workflows — compose complex workflows from simpler ones
• Versioning — safely update running workflows
• Visibility — search and inspect running/completed workflows
• Self-hosted — free, unlimited workflows

Quick Start

# Docker Compose
git clone https://github.com/temporalio/docker-compose.git
cd docker-compose && docker compose up -d

# Access UI at http://localhost:8080

func OrderWorkflow(ctx workflow.Context, order Order) error {
    // This code is DURABLE — survives any crash
    err := workflow.ExecuteActivity(ctx, ChargeCard, order).Get(ctx, nil)
    if err != nil { return err }

    // Sleep for 7 days — doesn't hold threads or memory
    workflow.Sleep(ctx, 7*24*time.Hour)

    err = workflow.ExecuteActivity(ctx, SendFollowUp, order).Get(ctx, nil)
    return err
}

Why Companies Choose It

Building reliable distributed systems is incredibly hard:

• No more state machines — write normal code, Temporal handles durability
• No lost messages — guaranteed execution
• Long-running — workflows can run for years
• Visibility — see exactly where every workflow is

A payment company had 47 edge cases in their order processing state machine — each a potential lost transaction. They rewrote it as a Temporal workflow — same logic in 200 lines instead of 2,000, and zero lost transactions since deployment.

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