Loader.io Alternatives & Competitors

An open source load testing tool written in Python.

Key locust features:

Scalability Python-based Web-based UI Real-time monitoring

Open Source

Loadster is load testing, stress testing, and site monitoring platform. Your site has a breaking point... load test to find it before your users do, and monitor to react quickly to downtime and other problems.

Key Loadster features:

Scalability Detailed Reporting Easy Script Creation Cross-Platform Support

Create production-ready applications with zero code.

Key Modelence features:

Full-Stack JavaScript Framework Built-in Backend Services Simplified Deployment Rapid Prototyping and Development

Try for free freemium $9 / Monthly

Managed load testing service built on top of the popular open-source project k6.

Key k6 Cloud features:

Ease of Use Scalability Integration Detailed Reporting

Apache JMeter™.

Key Apache JMeter features:

Open Source Extensibility Strong Community Support Supports Various Protocols

OctoPerf is an enterprise-grade load testing platform, available as SaaS & on-premise, helping IT teams validate scalability at lower cost.

Key OctoPerf features:

Ease of Use Cloud-Based On-premise Live Reporting

freemium $69 / Monthly

Cloud Testing Infrastructure | Cloud Testing Services and Tools for Websites & APIs.

Key LoadFocus features:

Ease of Use Cloud-Based Testing Comprehensive Reporting Integration Capabilities

freemium $99 / Monthly

Better, cheaper load testing for websites, APIs and servers.

Key LoadForge features:

Scalability Ease of Use Integration Real-time Reporting

Performance Testing & Load Testing Tool.

Key Loadium features:

Dedicated IP Performance Testing Load Testing Stress Test

freemium $99 / Monthly (Basic Plan)

LoadUIWeb is a free desktop tool for performance, stress, scalability and load testing of web...

Key LoadUIWeb features:

Ease of Use Integration Customizable Test Scenarios Real-time Monitoring

A high performance web server. Small! (125k static Linux-x86 binary with HTTP, FTP and SMB support).

Key gatling features:

Scalable Asynchronous Flexible Scripting Detailed Reports

Open Source

Load test websites, web apps, APIs, and mobile apps via the cloud. Use scripts to simulate user behavior for up to a million virtual users. Try it for free!

Key LoadStorm features:

Scalability Ease of Use Cost-Effective Cloud-Based

Simple Integration and Load Testing Tool using Java 11.

Key HailStorm features:

Open Source Community Support Customization

Network Stress Testing tool! A Ping tool based on Windows command-line (CMD)!

Key Fast DDoS Attack Cmd features:

Quick Deployment Simplicity Open Source