Open-source API client with a native C++ load-testing engine - Postman-style requests and k6-level load tests in one local app.
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M
MailpitRalph Slooten
axllent.mailpitv1.31.0
An email and SMTP testing tool with API for developers
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X
XTesterElinesoft
Elinesoft.XTesterv0.0.89
Desktop cryptocurrency trading strategy simulator and backtester with an AI strategy builder.
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BowireKüstenlogik
KuestenLogik.Bowirev2.4.0
Interactive multi-protocol API browser and CLI for .NET — gRPC, REST, GraphQL, SignalR, MCP, SSE, WebSocket, MQTT, Socket.IO, OData, Surgewave, Kafka, DIS, UDP.
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Papercut SMTPChangemaker Studios
ChangemakerStudios.Papercut-SMTPv7.8.0
Standalone SMTP server designed for viewing received messages
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TestPackageRWK Systems
RWKSystems.TestPackagev3.0.0
A configurable Windows installation simulator for testing repackaging, virtualization, and deployment solutions.
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InquisitMillisecond
Millisecond.InquisitLab.7v7.2.0
Psychological experiment software for research
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k6Grafana Labs
GrafanaLabs.k6v2.2.0
A modern load testing tool, using Go and JavaScript.
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GaugeThoughtWorks Inc.
Gauge.Gaugev1.6.28
Free and open source test automation framework that takes the pain out of acceptance testing
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RestfoxFlawid D'Souza
flawiddsouza.Restfoxv0.40.0
Restfox
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F
ffufffuf
ffuf.ffufv2.2.1
A fast web fuzzer written in Go.
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F
feroxbusterepi052
epi052.feroxbusterv2.13.1
A fast, simple, recursive content discovery tool written in Rust.
→
CAT CLIData Tools s.r.o.
DataTools.CATCLIv2.3.0
CAT is a powerful tool that helps you to test your data. It's super easy to set up and use.
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HttpMasterBorvid
Borvid.HttpMasterProfessionalv7.1.0
HttpMaster is a professional testing tool for HTTP applications, with special focus on RESTful web services and web API applications.
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HttpMaster Express EditionBorvid
Borvid.HttpMasterExpressv5.9.3
HttpMaster Express is a professional testing tool for HTTP applications, with special focus on RESTful web services and web API applications.
→
M
mcp-assertBlackwell Systems
BlackwellSystems.mcp-assertv0.12.3
Deterministic correctness testing for MCP servers. CLI, CI, and zero-config audit.
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M
MockzillaMockzilla
Mockzilla.Mockzillav2.8.10
Generate API mocks with meaningful responses, configurable latency, error codes and more
→
C
chaos-engineering-rsNinian-Lemain
NinianLemain.ChaosEngineeringRsv0.2.1
Cross-platform chaos engineering CLI with recovery, SLO gates, and protocol packs.
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HurlOrange-OpenSource
Orange-OpenSource.Hurlv8.0.1
Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
→
C
cargo-nextestnextest
nextest.cargo-nextestv0.9.143
A next-generation test runner for Rust.
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NeoLoadNeotys
Neotys.NeoLoadv8.0.0
Automate API and Application Performance Testing
→
N
NUnit 4 FrameworkNUnit
NUnit.NUnitv4.6.1
A unit-testing framework for all .NET languages. It can be used for a wide range of testing, from unit testing with TDD to full fledged system and integration testing.
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stressorMartin Wendt
mar10.stressorv0.6.0.0
Stress-test your web app
→
S
shell-useMicrosoft
Microsoft.ShellUsev0.0.1-beta.6
A headless terminal CLI + daemon for driving, asserting on, and recording shells
