Instead of Fortio
Fortio alternatives
Fortio is a free, open-source HTTP and gRPC load-testing library with a command-line tool, server and web UI. It can run at a target query rate or maximum speed, for a chosen duration or call count, and report latency histograms and percentiles such as p99. Its server adds a REST API, comparative result graphs, request echo, latency or error injection, TCP echo and proxy, HTTP fan-out proxy, and gRPC echo and health. The Go library and individual components can also be embedded or reused. Installation options include Docker, platform binaries, Homebrew and a Windows ZIP; building from source requires Go 1.18 or later.
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Artillery
Free plan APILinuxMac+3Teams combining load tests, Playwright, and production monitoring — Artillery adds scalable Playwright testing and production monitoring alongside load testing, while Fortio centers on HTTP and gRPC load tests.
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Locust
Free plan APILinuxMac+3Python-authored scenarios and adjustable distributed load — Locust lets teams write scenarios in Python and adjust load during a run, while Fortio offers reusable Go components and HTTP/gRPC tools.
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Speedscale
Free plan APILinuxMac+3Kubernetes teams replaying production traffic and mocking dependencies — Speedscale builds tests from captured production traffic and virtualizes dependencies, capabilities beyond Fortio’s described load-testing and echo tools.
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Taurus
Free plan LinuxMacSelf-hosted+1Teams coordinating performance and functional tests across tools — Taurus wraps multiple underlying test tools and accepts YAML or JSON, while Fortio is a Go library and HTTP/gRPC testing tool.
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Tricentis Testim
Free plan AndroidAPIExtension+3Visual web, Salesforce, and mobile test automation — Testim focuses on visual test automation for web, Salesforce, and mobile apps, rather than Fortio’s HTTP and gRPC load testing.
Pricing on request · 14-day trial Visit site - 6
Apache JMeter
Free plan LinuxMacSelf-hosted+1Broad protocol load tests with a test-plan IDE — JMeter covers a broader set of protocols and offers a test-plan IDE and HTML reports, while Fortio focuses on HTTP and gRPC.
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HammerDB
Free plan LinuxSelf-hostedWeb+1Benchmarking supported database workloads — HammerDB benchmarks database workloads and reports database-oriented metrics, unlike Fortio’s HTTP and gRPC load-testing focus.
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Avidemux
Free plan Open source LinuxMacWeb+1 - 9
Blackfire.io
Free plan APIExtensionLinux+3 - 10
BlazeMeter
Free plan APIExtensionLinux+2 - 11
Gatling
Free plan APILinuxMac+3 - 12
Loadster Synthetic Monitoring
Free plan APIExtensionLinux+4 - 13
LoadFocus
Free plan APIExtensionWeb - 14
OctoPerf
Free plan APILinuxSelf-hosted+1 - 15
Loader.io
Free plan APIWeb - 16
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LoadStrike
Free plan APISelf-hosted - 18
Tsung
Free plan LinuxMacSelf-hosted+1 - 19
Vegeta
Free plan APILinuxMac+2 - 20
Xceptance LoadTest
Free plan APILinuxMac+2 - 21
StresStimulus
Free plan Self-hostedWindows - 22
Goose
Free plan Self-hosted - 23
Apica LoadTest
Free trial AndroidAPIiPhone+3 - 24
Keysight Eggplant Test
Free trial AndroidAPIExtension+6 - 25
OpenText Core Performance Engineering
Free trial APILinuxMac+3
Readers may want a different fit when they need browser-based test automation, wider protocol coverage, production traffic replay, or database-specific workloads. Fortio’s stated scope centers on HTTP and gRPC, and its deployment model is on-premise; it is free, so the trade-off is less about subscription cost than workflow and testing scope. Compare whether you need a graphical or code-based authoring approach, distributed execution, CI integrations, service virtualization, mobile coverage, or a framework that coordinates other test tools. Also weigh whether your team wants to stay with Fortio’s Go-based components or move to a product built around another language, test type, or platform.
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