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temporalio/temporal

Temporal is a durable execution platform whose server runs application workflows and automatically retries failed steps.

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What is it?

Temporal is a durable execution platform for building scalable applications. Its server runs units of application logic called Workflows in a resilient way, handling intermittent failures and retrying failed operations automatically so developers can write code as if failures were rare.

This repository contains the source code of the Temporal server itself. Workflows, Activities and Workers are implemented in client SDKs for supported languages, while the server stores execution state and coordinates them. A local development server can be started with the Temporal CLI, which also provides commands for listing namespaces and workflows, and a Web UI is available for inspecting running executions.

The project originated as a fork of Uber's Cadence and is developed by Temporal Technologies, the company founded by the creators of Cadence.

Key features

  • 01Runs workflow code durably and automatically retries failed operations.
  • 02Provides a local development server started with the Temporal CLI.
  • 03Includes a Web UI for viewing running workflow executions.
  • 04Exposes a CLI for managing namespaces and listing workflows.
  • 05Works with client SDKs for multiple programming languages.

Use cases

  • Orchestrating long-running business processes that must survive crashes and retries.
  • Replacing hand-built retry logic and state machines in microservices.
  • Running scheduled or distributed cron-style jobs reliably.

Quick start

  1. 1

    Install the Temporal CLI with Homebrew

    brew install temporal
  2. 2

    Start a local Temporal development server

    temporal server start-dev
  3. 3

    Open the Web UI at http://localhost:8233 to view workflows

Things to know

  • The repository is the server itself; applications must be written with a Temporal SDK in a supported language.
  • The quick start relies on Homebrew, so other platforms need the CLI installation options from the docs.

Topics

#workflow-engine#distributed-systems#durable-execution#microservices#golang#orchestration#cronjob-scheduler#distributed-cron#microservice-framework#microservice-orchestration

FAQ

What is temporal?
Temporal is a durable execution platform whose server runs application workflows and automatically retries failed steps. Temporal is a durable execution platform for building scalable applications. Its server runs units of application logic called Workflows in a resilient way, handling intermittent failures and retrying failed operations automatically so developers can write code as if failures were rare.
Is temporal free to use? What license does it have?
temporal is open source under the MIT license. Check the license terms before using it in commercial products.
Is temporal still maintained?
Actively maintained. The last commit to temporal was on Oct 22, 2026.
What can I use temporal for?
Orchestrating long-running business processes that must survive crashes and retries. Replacing hand-built retry logic and state machines in microservices. Running scheduled or distributed cron-style jobs reliably.
How do I install temporal?
Install the Temporal CLI with Homebrew: brew install temporal Start a local Temporal development server: temporal server start-dev Open the Web UI at http://localhost:8233 to view workflows
Where can I get temporal?
The source code and installation instructions are on GitHub: https://github.com/temporalio/temporal

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