# Keploy: Free Open Source Alternative to Katalon, TesterArmy, Testsigma

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

Keploy (Open Source, Open Source) replaces Katalon, TesterArmy, Testsigma, Tricentis. Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they ship.

## Tool Specifications
- **Tool Name**: Keploy
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://keploy.io/
- **GitHub Repository**: https://github.com/keploy/keploy
- **GitHub Stars**: ★ 19.5k
- **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/keploy/keploy 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 Katalon.

## Paid SaaS Applications Replaced (4)
Replacing these paid tools with Keploy saves up to $100/mo ($1,200/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Katalon](https://caniforkit.com/katalon) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Katalon vs Keploy](https://caniforkit.com/vs/katalon-vs-keploy) |
| [TesterArmy](https://caniforkit.com/testerarmy) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare TesterArmy vs Keploy](https://caniforkit.com/vs/testerarmy-vs-keploy) |
| [Testsigma](https://caniforkit.com/testsigma) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Testsigma vs Keploy](https://caniforkit.com/vs/testsigma-vs-keploy) |
| [Tricentis](https://caniforkit.com/tricentis) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Tricentis vs Keploy](https://caniforkit.com/vs/tricentis-vs-keploy) |

## Frequently Asked Questions

### Is Keploy free and open source?
Keploy is an open source tool licensed under Open Source that runs on self-host. Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they ship.

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

## 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)