# Inngest: Free Open Source Alternative to Azure Durable Functions, Kafka

Canonical: https://caniforkit.com/fork/inngest
Last updated: 2026-11-07

Inngest (Open Source, Open Source) replaces Azure Durable Functions, Kafka. Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

## Tool Specifications
- **Tool Name**: Inngest
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://www.inngest.com
- **GitHub Repository**: https://github.com/inngest/inngest
- **GitHub Stars**: ★ 6k
- **Runs On**: Self-host
- **Maintenance Status**: nov 2026
- **Platforms**: web, self-hosted, docker to self-host
- **Data Storage**: All application data and configuration live on your own server or local database.
- **Installation**: Clone https://github.com/inngest/inngest or deploy with Docker Compose
- **Setup Requirements**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **The Catch / Limitation**: Requires self-hosting setup, updates, and server maintenance compared to managed Azure Durable Functions.

## Paid SaaS Applications Replaced (2)
Replacing these paid tools with Inngest saves up to $50/mo ($600/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Azure Durable Functions](https://caniforkit.com/azure-durable-functions) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Azure Durable Functions vs Inngest](https://caniforkit.com/vs/azure-durable-functions-vs-inngest) |
| [Kafka](https://caniforkit.com/kafka) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Kafka vs Inngest](https://caniforkit.com/vs/kafka-vs-inngest) |

## Frequently Asked Questions

### Is Inngest free and open source?
Inngest is an open source tool licensed under Open Source that runs on self-host. Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

### What is the trade-off or limitation of using Inngest?
Requires self-hosting setup, updates, and server maintenance compared to managed Azure Durable Functions.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)