| Apache JMeterApache Software Foundation | Open-source Java application for load testing and measuring performance of web and other services. | Load Testing Open Source Self-hosted
♥ pick
✓ pick
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| BlazeMeterPerforce | Cloud platform for performance testing, test data, continuous testing, and observability workflows. | Cloud Load Testing Commercial Cloud | | |
| LoadRunner ProfessionalOpenText | Enterprise performance testing software for web, API, packaged, and legacy applications. | Enterprise Suite Commercial Self-hosted
✓ pick
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| LoadRunner EnterpriseOpenText | Web-based enterprise platform for planning, executing, and analyzing performance tests. | Enterprise Suite Commercial Hybrid | | |
| LoadRunner CloudOpenText | SaaS performance testing service with cloud load generators and enterprise test management. | Cloud Load Testing Commercial Cloud | | |
| LocustLocust authors | Open-source, Python-based framework for writing scalable user behavior load tests. | Load Testing Open Source Self-hosted
✓ pick
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| GatlingGatling Corp. | Code-driven load testing tool with expressive scenarios and high-throughput asynchronous engines. | Load Testing Open Source Self-hosted
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| Gatling EnterpriseGatling Corp. | Managed Gatling platform for distributed testing, observability, and team workflows. | Cloud Load Testing Commercial Hybrid | | |
| NeoLoadNeotys / Tricentis | Enterprise performance testing platform for web, API, mobile, and packaged applications. | Enterprise Suite Commercial Hybrid | | |
| LoadFocusLoadFocus | Cloud service for load, performance, and synthetic monitoring tests. | Cloud Load Testing Freemium Cloud | | |
| FloodFlood IODiscontinued | Cloud load testing platform historically used to run JMeter and Gatling tests. | Cloud Load Testing Commercial Cloud | | |
| Loader.ioLoader.io | Hosted HTTP load testing service for APIs and web applications. | Cloud Load Testing Freemium Cloud | | |
| RedLine13RedLine13 | Freemium cloud load testing platform that runs tests in a customer AWS account. | Load Testing Freemium Hybrid | | |
| NouvolaNouvolaDiscontinued | Discontinued cloud performance testing platform for web, mobile, and API applications. | Cloud Load Testing Commercial Cloud | | |
| StormForgerStormForgerDiscontinued | Discontinued SaaS performance testing service acquired and rebranded as StormForge. | Cloud Load Testing Commercial Cloud | | |
| StresStimulusStimulus Technology | Windows load testing tool for web, REST, SOAP, and WCF applications. | Enterprise Suite Commercial Self-hosted | | |
| PureLoadEmblasoft | Commercial functional and performance testing software for applications and mobile networks. | Enterprise Suite Commercial Self-hosted | | |
| Grafana k6Grafana Labs | Open-source developer-centric load testing tool with JavaScript or TypeScript test scripts. | Load Testing Open Source Self-hosted
♥ pick
✓ pick
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| Grafana Cloud k6Grafana Labs | Hosted Grafana service for running k6 tests with dashboards and distributed load generation. | Cloud Load Testing Freemium Cloud | | |
| OctoPerfOctoPerf | SaaS and on-premises performance testing platform built around Apache JMeter. | Cloud Load Testing Freemium Hybrid | | |
| WebLOADRadView | Enterprise load testing solution for web, mobile, and API applications. | Enterprise Suite Commercial Self-hosted | | |
| Load MultiplierLoad MultiplierDiscontinued | Discontinued hosted load testing product listed in the original QAInsights diagram. | Cloud Load Testing Commercial Cloud | | |
| ApicaApica | Observability platform with synthetic monitoring and load-testing capabilities for digital experiences. | Cloud Load Testing Commercial Cloud | | |
| WAPT ProSoftLogica | Windows load testing tool for web applications, APIs, and web services. | Enterprise Suite Commercial Hybrid | | |
| Frugal TestingFrugal Testing | Cloud-based performance testing service offering managed load generation and reporting. | Cloud Load Testing Commercial Cloud | | |
| AgileLoadQuotium TechnologiesDiscontinued | Discontinued performance testing product formerly offered by Quotium Technologies. | Enterprise Suite Commercial Self-hosted | | |
| LoadStormCustomerCentrixDiscontinued | Cloud load testing service for web applications and APIs. | Cloud Load Testing Commercial Cloud | | |
| Appvance AIQAppvance | AI-assisted enterprise platform for functional, performance, security, and continuous testing. | Enterprise Suite Commercial Hybrid | | |
| ArtilleryArtillery Software | Developer-first load testing toolkit for HTTP, WebSocket, and messaging systems. | Protocol/API Load Open Source Self-hosted
✓ pick
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| Artillery CloudArtillery Software | Managed Artillery execution and observability for distributed performance tests. | Cloud Load Testing Commercial Cloud | | |
| Rational Performance TesterIBMDiscontinued | Enterprise performance testing software for web and service applications. | Enterprise Suite Commercial Self-hosted | | |
| LoadsterLoadster | Load testing application for browser-like web workflows and APIs. | Browser/RUM Commercial Hybrid | | |
| Silk PerformerOpenText | Enterprise performance testing suite for web, mobile, and distributed applications. | Enterprise Suite Commercial Self-hosted | | |
| LoadNinjaSmartBear | Cloud performance testing tool that uses real browsers and minimal scripting. | Browser/RUM Commercial Cloud | | |
| Azure Load TestingMicrosoft | Fully managed Azure service for running high-scale Apache JMeter load tests. | Cloud Load Testing Commercial Cloud | | |
| AWS Distributed Load TestingAmazon Web Services | AWS solution for deploying distributed load tests using containerized open-source engines. | Cloud Load Testing Open Source Cloud | | |
| Vegetatsenart | HTTP load testing command-line utility designed for constant request rates. | Micro-benchmark CLI Open Source Self-hosted
♥ pick
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| wrkwg / community | Modern HTTP benchmarking tool capable of generating significant load from a single machine. | Micro-benchmark CLI Open Source Self-hosted | | |
| heyrakyll / community | Small command-line HTTP load generator for quick endpoint benchmarks. | Micro-benchmark CLI Open Source Self-hosted | | |
| Bombardiercodesenberg | Fast cross-platform HTTP(S) benchmarking tool written in Go. | Micro-benchmark CLI Open Source Self-hosted | | |
| TaurusBlazeMeter | Open-source automation framework that configures and runs multiple performance testing engines. | Load Testing Open Source Self-hosted | | |
| TsungTsung community | Distributed open-source load testing tool for HTTP, WebDAV, LDAP, and other protocols. | Protocol/API Load Open Source Self-hosted | | |
| SiegeJoe Dog Software | Open-source command-line utility for HTTP regression and benchmarking tests. | Micro-benchmark CLI Open Source Self-hosted | | |
| ApacheBench (ab)Apache Software Foundation | Minimal HTTP server benchmarking command included with Apache HTTP Server. | Micro-benchmark CLI Open Source Self-hosted | | |
| FortioFortio project | Fast, embeddable HTTP and gRPC load testing and latency tool. | Protocol/API Load Open Source Self-hosted | | |
| DrillFerran Basora | HTTP load testing application with YAML scenarios and a command-line interface. | Protocol/API Load Open Source Self-hosted | | |
| GooseTag1 Consulting | Rust framework for building realistic, asynchronous load test clients. | Load Testing Open Source Self-hosted | | |
| JMeter PluginsJMeter Plugins project | Community plugin ecosystem extending Apache JMeter components, listeners, and load generators. | Load Testing Open Source Self-hosted | | |
| wrk2Gil Tene / community | Constant-throughput HTTP benchmark based on wrk for latency-oriented testing. | Micro-benchmark CLI Open Source Self-hosted | | |
| tcpkaliMachine ZoneDiscontinued | High-performance TCP and WebSocket load generator for connection-oriented services. | Protocol/API Load Open Source Self-hosted | | |
| ghzBojan Djurkovic | Open-source command-line gRPC benchmarking and load testing tool. | Protocol/API Load Open Source Self-hosted | | |
| AutocannonMatteo Collina | Node.js HTTP/1.1 benchmarking tool optimized for quick, high-throughput tests. | Micro-benchmark CLI Open Source Self-hosted | | |
| ohahatoo | Fast HTTP load generator inspired by hey and vegeta, written in Rust with TUI output. | Micro-benchmark CLI Open Source Self-hosted | | |
| ReqfleetReqfleet | Cloud-native platform for distributed JMeter and Locust load tests with public or private regions and per-minute billing. | Cloud Load Testing Freemium Hybrid | | |
| CassowaryRoger Welin | Modern cross-platform HTTP/S load testing CLI written in Go for developers and operators. | Micro-benchmark CLI Open Source Self-hosted | | |
| LoadViewDotcom-Monitor | Cloud load testing platform using real browsers and protocol load for websites, apps, and APIs. | Cloud Load Testing Commercial Cloud | | |
| JMeter Java DSLAbstracta | Java API to author and run JMeter performance tests as code in a Git-friendly workflow. | Load Testing Open Source Self-hosted | | |
| SmartMeter.ioSmartMeter.io | Commercial performance testing tool built on Apache JMeter with enterprise reporting features. | Load Testing Commercial Self-hosted | | |
| BrowserUpBrowserUp | Load and performance testing that reuses Selenium page objects for real-browser and API scenarios. | Browser/RUM Commercial Hybrid | | |
| The GrinderThe Grinder projectDiscontinued | Historical Java load testing framework for distributed scripted performance tests. | Load Testing Open Source Self-hosted | | |
| nGrinderNaver | Open-source enterprise stress testing platform for scripted load tests, execution, and reporting. | Load Testing Open Source Self-hosted | | |
| MolotovTarek Ziadé | Python asyncio load testing tool for writing concurrent HTTP scenarios with aiohttp. | Protocol/API Load Open Source Self-hosted | | |
| Yandex.TankYandex | Extensible open-source load testing tool that orchestrates multiple generators for automated suites. | Load Testing Open Source Self-hosted | | |
| Grafana k6 browserGrafana Labs | Browser automation module for k6 that adds real-browser frontend metrics to load tests. | Browser/RUM Open Source Hybrid | | |
| k6 CloudGrafana LabsDiscontinued | Former name for the hosted k6 service, now branded Grafana Cloud k6. | Cloud Load Testing Freemium Cloud | | |
| Apex HammerSalesforce | Salesforce-run process that re-executes org Apex tests on the current and next release to catch regressions before upgrades. | Load Testing Commercial Cloud | | |
| Scale TestSalesforce | Salesforce service that simulates peak load in a production-like sandbox to verify application scalability before surges. | Cloud Load Testing Commercial Cloud | | |
| EggplantKeysight | Keysight quality suite spanning Eggplant Performance load testing and Eggplant Monitoring synthetic checks. | Enterprise Suite Commercial Hybrid | | |