A modern load testing tool, using Go and JavaScript
Load testing
Generate traffic to measure how a service holds up.
Changes in this category (RSS)
Side by side
| Tool | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|
| k6 | 32k | AGPL-3.0 | Open source | No | Go | v2.3.0 | 2026-11-11 |
| Locust | 28k | MIT | Open source | No | Python | 2.47.0 | 2026-11-10 |
| Vegeta | 25k | MIT | Open source | No | Go | v12.13.0 | 2026-09-24 |
| oha | 11k | MIT | Open source | No | Rust | v1.16.0 | 2026-11-02 |
| Apache JMeter | 9.6k | Apache-2.0 | Open source | No | Java | rel/v5.6.3 | 2026-11-05 |
| Artillery | 9.1k | MPL-2.0 | Open source | No | TypeScript | artillery-2.0.34 | 2026-10-20 |
| autocannon | 8.5k | MIT | Open source | No | JavaScript | v8.0.0 | 2026-11-06 |
| Gatling | 7k | Apache-2.0 | Open source | No | Scala | v3.16.0 | 2026-11-11 |
| bombardier | 6.9k | MIT | Open source | No | Go | v2.0.2 | 2026-10-10 |
| Siege | 6.2k | GPL-3.0 | Open source | No | C | 4.2.2 | 2026-11-04 |
| Fortio | 3.7k | Apache-2.0 | Open source | No | Go | v1.76.0 | 2026-11-11 |
| ghz | 3.4k | Apache-2.0 | Open source | No | Go | v0.121.0 | 2026-11-01 |
| Yandex Tank | 2.6k | Other | Open source | No | Python | Python2 | 2026-10-27 |
| Taurus | 2.1k | Apache-2.0 | Open source | No | Python | 1.16.51 | 2026-11-12 |
14 tools
Write scalable load tests in plain Python 🚗💨
HTTP load testing tool and library. It's over 9000!
Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation.
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
- Language
- Java
- Licence
- Apache-2.0
- Stars
- 9.6k
- Latest
- rel/v5.6.3
- Last push
- 2026-11-05
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
- Language
- TypeScript
- Licence
- MPL-2.0
- Stars
- 9.1k
- Latest
- artillery-2.0.34
- Last push
- 2026-10-20
fast HTTP/1.1 benchmarking tool written in Node.js
- Language
- JavaScript
- Licence
- MIT
- Stars
- 8.5k
- Latest
- v8.0.0
- Last push
- 2026-11-06
Modern Load Testing as Code
- Language
- Scala
- Licence
- Apache-2.0
- Stars
- 7k
- Latest
- v3.16.0
- Last push
- 2026-11-11
Fast cross-platform HTTP benchmarking tool written in Go
Siege is an http load tester and benchmarking utility
Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.
- Language
- Go
- Licence
- Apache-2.0
- Stars
- 3.7k
- Latest
- v1.76.0
- Last push
- 2026-11-11
Simple gRPC benchmarking and load testing tool
- Language
- Go
- Licence
- Apache-2.0
- Stars
- 3.4k
- Latest
- v0.121.0
- Last push
- 2026-11-01
Load and performance benchmark tool
Automation-friendly framework for Continuous Testing by
- Language
- Python
- Licence
- Apache-2.0
- Stars
- 2.1k
- Latest
- 1.16.51
- Last push
- 2026-11-12