What it is

Temporal is a durable execution platform for building resilient applications with workflows. It lives in the infrastructure and operations ecosystem, specifically within orchestration and scheduling. The server executes units of application logic called Workflows and automatically handles intermittent failures by retrying failed operations. Temporal originated as a fork of Uber's Cadence and is developed by Temporal Technologies, a startup formed by the creators of Cadence.

The concrete problem it solves is the difficulty of writing long-running application logic as reliable code. Instead of requiring developers to manually reconstruct state after crashes, timeouts, or dependency failures, the platform treats workflow execution as durable. The repository contains the source code of the Temporal server, while Workflows, Activities, and Workers are implemented through supported language SDKs.

Key capabilities

• The server executes Workflows as durable application logic that can survive intermittent failures and continue after retries.
• The platform automatically retries failed operations, reducing custom failure-handling code inside application workflows.
• Temporal supports microservice orchestration and distributed-systems patterns, including workflow automation across multiple services.
• The Temporal CLI provides operator tasks such as listing namespaces and listing workflows.
• The Web UI allows developers to view sample workflows executing on a local Temporal server.
• The topic list indicates support for distributed cron and cronjob-scheduler use cases.

Who uses it and how

• Developers use Temporal to run application workflows locally by starting the server and executing Go or Java samples.
• Platform teams use the Temporal CLI to inspect namespaces and workflow activity during development and operations.
• Application teams use the Web UI to observe workflow execution and verify that local workflows are running as expected.
• Teams building microservices use Temporal as an orchestrator for cross-service workflows, workflow automation, and durable execution of long-running tasks.

Getting started

The README shows a local start path using brew install temporal and temporal server start-dev, then running Go or Java samples against the server. Users can also interact with the running server through the Temporal CLI and open the Web UI at http://localhost:8233.

When to use it — and when not to

Temporal is suitable when an application needs durable workflow execution, automatic retries, and orchestration across services or long-running processes. It is less suitable when a project needs only a simple one-off script or does not require durable workflow state, because the repository is the server and the self-hosted path requires running the server and its dependencies. The directory metadata lists 956 open issues and zero contributors, so teams should review current maintenance and support status before adopting it for production.

brew install temporal
temporal server start-dev

temporal operator namespace list
temporal workflow list