The Best 26 Neustar Website Load Testing Alternatives

  • locust icon

    locust

    An open source load testing tool written in Python. Locust allows you to define user behaviour with Python code, and swarm your system with millions of simultaneous...

    Free Open Source Mac OS X Windows Linux Self-Hosted Python

  • SmartMeter.io icon

    SmartMeter.io

    SmartMeter.io is a load and performance testing tool based on JMeter that is fixing its drawbacks while adding enterprise-level load testing features.

    Freemium Mac OS X Windows Linux

  • Loader.io icon

    Loader.io

    Loader.io is a simple cloud-based load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections. Made by the...

    Freemium Web

  • Load Impact icon

    Load Impact

    How many users can my web site handle? Load Impact is an online load testing service that lets you stress test your web site with just a few mouse clicks. You can...

    Freemium Web

  • Low Orbit Ion Cannon icon

    Low Orbit Ion Cannon

    LOIC is an open source network stress testing application, written in C#.

    Free Open Source Windows Linux

  • blitz.io icon

    blitz.io

    Blitz makes load and performance testing of your web site, API, iPhone and Android and Facebook apps a fun sport.

    Commercial Web

  • BlazeMeter icon

    BlazeMeter

    BlazeMeter is a self- service performance & load testing cloud, 100% JMeter-compatible.

    Commercial Web

  • HaltDos icon

    HaltDos

    HaltDos is a SaaS platform to protect websites and data centers against DDoS attacks.

    Commercial Windows Linux Chrome OS Web

  • AgileLoad icon

    AgileLoad

    Agileload is an entreprise-class performance testing tool which helps you creating your test scenarios fast and pinpoints performance issues whithin your application and...

    Freemium Windows

  • PurpleStrike Real Time icon

    PurpleStrike Real Time

    PurpleStrike Real Time (RT) load tester is a turnkey performance testing services on the cloud with intuitive user interface. You can automate real applications and run...

    Commercial Mac OS X Windows

  • CloudTest icon

    CloudTest

    Load Testing of Web Sites, Mobile Applications, Web Services, and Web Sockets. Real-Time Analytics, Public Cloud load injectors, rapid test development, real user data...

    Commercial Mac OS X Windows Linux Chrome OS Web

  • Cavisson NetStorm icon

    Cavisson NetStorm

    NetStorm is a performance/load testing tool with many features to check the application before it goes online.

    Commercial Linux Ubuntu

  • LoadFocus icon

    LoadFocus

    Free Cloud Load Testing Service, Speed Testing for Websites, Applications and APIs. Helps you run load and performance tests from within browsers in minutes.

    Freemium Web

  • Apica ProxySniffer icon

    Apica ProxySniffer

    Apica ProxySniffer ™ is a professional and high-duty Web Load and Stress Testing Tool that runs on Java.

    Freemium Mac OS X Windows Linux BSD

  • Load Tester icon

    Load Tester

    Web Performance Load Tester™ is the only web testing tool smart enough to tell you how many users your website can handle. Use another tool, and youll find yourself...

    Commercial Windows

  • Loadster icon

    Loadster

    Loadster is a full-featured load testing solution for websites, web apps, and web services. It's built for real web apps and effortlessly handles cookies, user...

    Freemium Web

  • LoadStorm icon

    LoadStorm

    A cloud-based load testing tool for web and mobile applications that let's record browser actions in order to load-test various usage scenarios.

    Freemium Web