Postman
Go faster from development to production with higher accuracy and fewer tokens.
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The CheckOps Engineer
I help you stay updated with testing tools and tech.
Curated collection of top software testing tools. Search, filter, compare two to four, and refresh public signals.
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Showing 276 tools
Postman
Go faster from development to production with higher accuracy and fewer tokens.
SoapUI
SoapUI is a free and open source cross-platform functional testing solution for APIs and web services.
Hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia.
Tuskr
Flexible test management with features for planning, executing, and analyzing test cases.
TestRail
TestRail is AI-driven test management software for planning, executing, and reporting on testing.
AccelQ
AccelQ is a premium testing tool offering comprehensive automated, performance, and security testing features, seamlessly integrating for Web,API and Mobile with CI/CD pipelines
Bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia).
Perfecto
A cloud-based test automation platform for mobile and web applications, providing real device testing.
Beeceptor
Create AI-powered mock servers in seconds.
Insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC.
ReadyAPI
The number one platform for Agile and DevOps teams, ReadyAPI powers functional, security, performance, and virtualization of SOAP & REST APIs.
Thunderclient
A Lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.
SwaggerUI
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
Karate
Test Automation Made Simple.
Katalon Studio
Start API testing from today with Katalon.
Dredd
Language-agnostic HTTP API Testing Tool.
Citrus
Framework for automated integration tests with focus on message-based applications.
HTTPie
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era.
API Fortress
A comprehensive and user-friendly tool for API testing, offering extensive features like a visual test composer, end-to-end testing, and strong CI/CD integration.
Assertible
Continuously test your web services.
Paw (RapidAPI)
RapidAPI for Mac is a full-featured and beautifully designed Mac app that makes interaction with REST services delightful.Whether you are an API maker or consumer, RapidAPI…
Selenium
A browser automation framework and ecosystem.
Playwright
Playwright is a framework for Web Testing and Automation.
Cypress
Fast, easy and reliable testing for anything that runs in a browser.
NightWatchJS
Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API.
Capybara
Acceptance test framework for web applications.
Protractor
E2E test framework for Angular apps.
TestCafe
A Node.js tool to automate end-to-end web testing.
WebDriverIO
Next-gen browser and mobile automation test framework for Node.js.
Puppeteer
JavaScript API for Chrome and Firefox.
Watir
An open source Ruby library for automating tests.
Selenium IDE
Open Source record and playback test automation for the web.
PyRestTest
YAML based api testing and API microbenchmarking tool in Python
Appium
Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol.
Detox
Gray box end-to-end testing and automation framework for mobile apps.
TestComplete Mobile
Create and run automated UI tests on any mobile application using our automated mobile testing tool, TestComplete.
Ranorex Studio
Test automation for desktop, web, and mobile apps.
Robot Framework
Generic automation framework for acceptance testing and RPA.
XCUITest
A test automation framework for iOS applications, part of the XCTest framework.
Espresso
Espresso is an Android testing framework for writing concise, beautiful, and reliable UI tests that synchronize automatically with the application's UI.
UFTOne
UFT One is a functional testing tool that supports scriptless test creation for web, mobile, API, and desktop applications.
Calabash
An open-source automated testing librasry in Ruby for Android and iOS native and hybrid applications.
Selendroid
"Selenium for Android" (Test automate native or hybrid Android apps and the mobile web with Selendroid.) Join us on IRC #selendroid on freenode.
WireMock
A tool for mocking HTTP services.
K6
k6 is an open-source tool and cloud service that makes load testing easy for developers and QA engineers.
Artillery
The complete load testing platform.
LoadRunner
A performance testing tool by Micro Focus, which provides a comprehensive solution for testing the performance of a wide range of applications.
PactFlow
Fast, easy, and reliable testing for your APIs and microservices at scale.
Gatling
Modern Load Testing as Code.
Pact
Fast, easy and reliable testing for integrating web apps, APIs and microservices.
Tosca API Test
Tosca’s API Scan allows teams to easily create, manage, and execute automated API tests with a simple, no-code solution that literally anyone can use and adopt
Apiary
Apiary provides the leading API-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.
Keploy
Keploy is developer-centric API testing tool that creates tests along with built-in-mocks, faster than unit tests.
RestQA
🦏 | Best in class Microservice automation testing.
DeepFake HTTP
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses. This tool allows you to test clients against REST, GraphQL, and other APIs.
RunScope
API performance monitoring.
SuperTest
Developer-friendly tool for testing Node.js HTTP servers and APIs
TestComplete
TestComplete offers a range of powerful features to help you scale your automated ui testing efforts and maximize test coverage.
Airbone
Airborne is an API automation testing tool built on the Ruby RSpec framework
Fiddler
Explore Fiddler's web debugging tools and proxy solutions to debug, mock, capture, and modify web and network traffic.
RestSharp
Simple REST and HTTP API Client for .NET.
BlazeMeter
Unify performance testing, API testing and monitoring, service virtualization, AI-powered test data, and functional testing in one platform.
JMeter
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services.
NeoLoad
Neoload is a performance testing platform that simulates high user loads to identify and fix performance bottlenecks.
Apica
Apica is the agentic-ready telemetry pipeline that cuts observability costs up to 40%.
LoadNinja
The only load testing tool to record, replay, and test in real browsers at scale.
Locust
Write scalable load tests in plain Python 🚗💨.
WebLOAD
Learn more about WebLOAD load testing tool by RadView.
Loadium
Loadium is a performance and load testing tool that executes performance tests from open source tools, including JMeter, Gatling, and Selenium
LoadView
A cloud-based load testing tool that allows you to create and execute performance tests for your web applications and APIs.
RedLine13
RedLine13 gives you "almost" free load testing in the cloud.
Loader.io
Free tool for web application load testing that allows for the simulation of concurrent connections to your web application's APIs.
Taurus
Automation-friendly framework for Continuous Testing by.
Apache Benchmark
A command-line tool for measuring the performance of HTTP web servers, useful for testing the performance of your Apache installations.
Siege
Siege is an http load tester and benchmarking utility.
Vegeta
HTTP load testing tool and library.
Tsung
A multi-protocol distributed load testing tool that can be used to stress test HTTP, WebDAV, SOAP, PostgreSQL, MySQL, and more.
OWASP ZAP
The ZAP by Checkmarx Core project.
Qualys
Discover how Qualys helps your business measure & eliminate cyber threats through a host of cybersecurity detection & remediation tools.
Burp Suite
PortSwigger offers tools for web application security, testing, & scanning.
RoboHydra HTTP
RoboHydra Server is a great API testing solution for those who don’t have access to a server but need to test something.
Nessus
Find out more about Nessus - the trusted gold standard for vulnerability assessment, designed for modern attack surfaces - used by thousands of organizations.
AppSpider
A dynamic application security testing tool with API security features.
Leapwork
Unite Enterprise Playwright, AI test automation, and performance testing with the governance enterprises need to trust software delivery.
Micro Focus Fortify
A suite of tools for application security, including API security testing.
HttpMaster
Practical and easy-to-use software tool for testing HTTP applications and services.
Katalon Studio TrueTest
Katalon True Platform is the AI testing platform for QA teams.
Tricentis Tosca
A continuous testing platform that supports scriptless test automation for web, mobile, API, and enterprise applications.
Parasoft SOAtest
Optimize API and web service testing with AI-enhanced SOAtest.
Ranorex Studio
Test automation for desktop, web, and mobile apps.
Eggplant Functional
A test automation tool that provides scriptless testing solutions for web, mobile, and desktop applications.
TestComplete
Test Mobile, Web and Desktop applications.
Applitools
Applitools is an AI-powered end-to-end testing platform that combines our proven Visual AI with the latest GenAI and no-code approaches to maximize your test coverage while…
Scriptless
A test automation platform that provides scriptless test creation for web applications.
UFT One
A functional testing tool that supports scriptless test creation for web, mobile, API, and desktop applications.
Zebrunner
Synchronize manual and test automation teams in one place.
Autify
Autify's AI-powered Quality Engineering Platform provides AI-powered product and quality assurance professionals to streamline your software testing process and boost the…
Testim
Testim is an automated testing platform for fast authoring of AI-powered stable tests and tools to help you scale quality.
Functionize
Builds, runs, and maintains tests against your live application.
Mabl
The #1 agentic testing platform empowering software teams to accelerate releases, ensure software quality, and deliver exceptional user experiences.
Ghost Inspector
Ghost Inspector is a no-code automated browser testing platform.
ProdPerfect
Everyone plans to succeed.
Testsigma
Agentic test automation that generates, runs, heals, and diagnoses tests then scores your release confidence.
TestArchitect
Empower your team with TestArchitect: unified, no-code, AI-powered automation, API, and database testing.
Zeuz
ZeuZ Test Studio is an AI test automation platform that writes, runs and repairs tests across web, mobile, desktop and API.
Acunetix
Invicti Web + API is an end-to-end web security scanner that offers a 360 view of an organization’s security.
Parasoft SOAtest
Optimize API and web service testing with AI-enhanced SOAtest.
Zato API Test
With Zato API Test, you can test APIs in plain English, without any programming
Unirest
Unirest in Java: Simplified, lightweight HTTP client library.
Curl
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS,…
Telerek TestStudio
API testing with Test Studio helps you enhance your end-to-end testing strategy to cover test scenarios that require API calls.
Rest-Assured
Java DSL for easy testing of REST services.
BrowserStack
Instant access to 3500+ browsers and real iOS and Android devices for cross browser testing.
Sauce Labs
Test web and mobile apps on thousands of real devices, browsers, and emulators.
LambdaTest
Cross-browser testing platform with a scalable cloud infrastructure supporting CI/CD tools.
AWS Device Farm
AWS Device Farm is an application testing service that allows you to test iOS, Android, and web applications on real smartphones, tablets and desktop web browsers.
Zephyr
Whether you’re Agile or Waterfall, or somewhere in-between, Zephyr test management solutions support development natively on Jira as well as securely on-premises.
TestLodge
Simple test case management tool for creating and running test cases with reporting.
HyperTest
HyperTest is a no-code test automation tool that regresses all your APIs by auto-generating integration tests using your network traffic, also giving a way to reproduce these failures inside actual user-journeys.
Xray
Bring QA and development together in Jira.
Usetrace
Codeless testing platform for automating web application testing.
CloudQA
Record, run and maintain end-to-end web tests without writing code.
Rainforest QA
Automate e2e tests without the time-consuming drudgery of test maintenance.
Virtuoso
Virtuoso QA is an enterprise test automation platform that proves what it tested.
Avo Assure
Avo Automation helps enterprises assure business-critical processes with Avo Assure - agentic AI, no-code test automation for SAP, Dynamics 365, Oracle, and Salesforce.
Opkey
Codeless test automation for ERP applications with support for no-code workflows.
Kobiton
Codeless mobile app testing with real device cloud and AI-driven capabilities.
Reflect
SmartBear Reflect helps teams maintain application integrity with AI-powered, codeless web and mobile testing, so your app works the way it.
Waldo
Codeless mobile app testing with AI-powered visual testing and reporting.
DoesQA
Automated end-to-end testing for every web journey.
Oxygen
Oxygen is a powerful Selenium & Appium infrastructure for beginners and pros.
ReTest
retest makes GUI test automation software.
EndTest
Endtest is the agentic AI platform for end-to-end test automation.
TestRigor
Test automation tool - testRigor.
UIlicious
Automate UI tests with UI-licious.
DogQ
No-code test automation tool for end-to-end web tests.
Preflight
PreFlight is a No-code web testing tool for anyone.
ClicAutomate
ClicAutomate is built on a script-less test automation approach which expedites automation testing
TestingWhiz
Experience effective test automation of web & mobile apps with an easy & intuitive codeless end-to-end software testing tool, TestingWhiz.
BugBug
Cut regression time without growing your QA team.
BrowserStack Low Code
Create AI-powered automated tests in minutes with our Low Code Automation.
KaneAI
KaneAI is a GenAI-native end-to-end testing agent for autonomous, agentic QA.
Pingdom
A performance monitoring tool that provides insights into your website's speed, uptime, and user interactions.
BitBar
Whether web, native, or hybrid, securely test your app across the real environments you need.
HeadSpin
HeadSpin enables real device testing with AI-driven insights, KPI analysis, and seamless automation across 50+ locations for optimized app performance.
Visual Studio App Center
Part of Visual Studio App Center for mobile app testing on various real devices in the cloud.
TestGrid
TestGrid is an end-to-end testing solution powered by AI that simplifies and streamlines the testing process, helping businesses deliver high-quality digital experiences faster.
Pcloudy
Pcloudy is an AI-powered mobile app testing platform with 5,000+ real devices.
EMAS by Alibaba Cloud
EMAS Mobile Testing is a cloud platform that provides device testing services for enterprises and mobile developers.
TestLink
Open-source test case management with test execution tracking and reporting capabilities.
PractiTest
PractiTest is an AI-powered Test Management and QA Intelligence Platform that turns QA data into business answers.
Kualitee
Test case management tool from $12/user with AI test generation, defect tracking, and Jira integration built in.
QMetry
Accelerate releases with AI-powered test management.
Aqua
Transform QA with aqua cloud's AI-driven test management platform.
Testiny
AI-ready test management tool for teams who want manual and automated testing in one system, their preferred AI assistant, and EU cloud or self-hosting.
Qase
Cloud-based test case management with test planning, execution, and defect tracking.
SpiraTest
Manage your project's requirements, test cases and bugs.
Testpad
Checklists-inspired test management for manual and exploratory testing, Agile-friendly.
ReQtest
Med Reqtest är det enkelt att lyckas med IT-projektet.
TestMonitor
TestMonitor is a simple, intuitive test management software platform built for enterprise software, quality app development, and other important testing needs.
Applause
Applause is a managed software testing services provider enabling enterprises to deliver high-quality apps, websites and AI experiences worldwide.
Tricentis qTest
Supports Agile and DevOps workflows, allowing centralized management of test cases.
Bugzilla Testopia
Extension for Bugzilla to provide basic test case management features.
IBM Rational Quality Manager
Test case management solution with collaborative features for Agile teams.
SmartBear Test Management
Tool that includes test planning, test case management, and reporting tools.
Helix TCM
Allows creating and organizing test cases, linking them to requirements for traceability.
Jama Connect
Accelerate complex product development with an AI-powered engineering and requirements management platform that improves collaboration, traceability, quality, and compliance.
Testmo
Modern test management software tool that fully integrates your test cases, test automation and exploratory testing, regardless of the tools you use.
CucumberStudio
CucumberStudio gives your team the platform to succeed with BDD.
Test Collab
Web-based test management tool with real-time reporting, JIRA integration, and REST API support.
Klaros-Testmanagement
Test case management tool supporting Agile methods with reporting and CI/CD integration.
EasyQA
Cloud-based test management tool for organizing test cases, running tests, and tracking bugs.
Tyk
Open Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol).
vRest
An effective online tool for automated REST API Testing.
APITest
A simple and extensible behavioural testing library for Go.
Frisby
Frisby is a REST API testing framework built on Jest that makes testing API endpoints easy, fast, and fun.
RestCase
RestCase supercharges the API development process resulting in improved team collaboration, reduced development time, better testing and increased overall productivity.
Nock
HTTP server mocking and expectations library for Node.js.
Microcks
Microcks is Open Source cloud-native tool for API Mocking and Testing.
TestMace
Your IDE for working with an API.
Apickli
Test framework for behavior-driven API testing.
TrafficParot
Mock API server and message broker for TDD and API Testing
Imposter
Scriptable, multipurpose mock server.
Stoplight Prism
Accelerate API development with realistic mock servers powered by API descriptions.
MirageJS
A client-side server to build, test and share your JavaScript app.
Hoverfly
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers.
QuickMocker
API mocking and request inspection tool for development and testing.
JSON Server
Quickly mock a REST API with JSON files.
MockLab
Platform for creating, testing, and sharing HTTP mock servers.
Mockoon
Mockoon is the easiest and quickest way to run mock APIs locally.
MockServer
Open-source HTTP/1.1, HTTP/2, HTTP/3, HTTPS and gRPC mock server, recording proxy, and MCP server for AI assistants.
MockAPI
MockAPI is a simple tool that lets you easily mock up APIs, generate custom data, and perform operations on it using RESTful interface.
Metasploit
Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit.
Nikto
Nikto web server scanner.
SQLMap
Automatic SQL injection and database takeover tool.
Wfuzz
Wfuzz has been created to facilitate the task in web applications assessments and it is based on a simple concept: it replaces any reference to the FUZZ keyword by the value…
Nmap
Nmap - the Network Mapper.
OpenVAS
Framework for vulnerability scanning and management.
Astra
Astra Security is a one of a kind AI powered automated Pentest Platform that makes chaotic pentests a breeze & continuous with its hacker-style vulnerability scanner.
Kali Linux
Home of Kali Linux, an Advanced Penetration Testing Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.
Wapiti
Wapiti is a free and open-source web application vulnerability scanner (DAST).
Aircrack-ng
WiFi security auditing tools suite.
Veracode
Manage application security risks effectively with Veracode's Application Risk Management platform, built for today's AI-driven world.
Snyk
Snyk CLI scans and monitors your projects for security vulnerabilities.
WebInspect
Dynamic application security testing tool for identifying vulnerabilities in web applications.
ImmuniWeb
AI-driven platform for application security testing and monitoring.
Invicti (formerly Netsparker)
Web vulnerability scanner for automated detection of security issues in web applications.
Cobalt Strike
Adversary simulation tool for red team operations and security assessments.
Checkmarx
Checkmarx agentic application security software platform Combines Hybrid scanning, AI-powered agents, and unified risk intelligence across every attack surface.
Detectify
Find what's exposed and fix what matters, before attackers do.
Burp Collaborator
Burp Collaborator is a network service that enables you to detect invisible vulnerabilities.
Black Duck
Black Duck delivers True Scale Application Security — SAST, SCA, DAST, and AI-powered AppSec — to help security and development teams detect vulnerabilities, manage open…
Arachni
Web Application Security Scanner Framework.
SonarQube
Modernize your AI workflows with code verification for the agentic era.
Dependency-Check
OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.
Probely
Web vulnerability scanner designed for continuous security testing.
Netsparker Cloud (Invicti)
Cloud-based security testing tool for automated web vulnerability scanning.
CodeScan
AutoRabit CodeScan™ secures and optimizes your Salesforce DevOps pipeline by providing real-time static code analysis and continuous compliance.
Codified Security
Security testing for mobile applications with continuous integration support.
Beagle Security
The AI-powered AppSec platform that identifies vulnerabilities with comprehensive penetration tests and provides actionable remediation insights.
Google Nogotofail
Security testing tool for networks, focusing on detecting traffic interception vulnerabilities.
Paros Proxy
Reviews, ratings, and information about Paros proxy: web proxies, web vulnerability scanners,.
Bugzilla
The software solution designed to drive software development Bugzilla lets you plan, organize and release software on your own teams.
JIRA
Jira brings teams together to reach the next level of productivity with AI agents that orchestrate, plan, and track projects at scale.
MantisBT
Mantis Bug Tracker (MantisBT).
Zoho Bug Tracker
Zoho BugTracker is an online bug tracker and issue tracking software that helps you to track and fix bugs quickly.
Backlog
Backlog is the all-in-one SaaS for all your project management software needs.
Redmine
Mirror of redmine code source - Official Subversion repository is at https://svn.redmine.org/redmine - contact: @vividtone or maeda (at) farend (dot) jp.
BugHerd
BugHerd makes it easy for clients to give website feedback and bug reports.
Marker
Collect website feedback and report website bugs to Jira, Trello, Asana, and GitHub directly from your site with our design feedback software.
Retina CS (BeuyondTrust)
Network security assessment tool with centralized vulnerability management features.
Monday
Get more work done with AI agents that work side by side with your people.
ClickUp
Our mission is to make the world more productive.
Google PageSpeed Insights
A tool that analyzes the content of a web page and provides suggestions to make that page faster.
GTmetrix
A website performance testing tool that provides insights into how well your site loads and offers actionable recommendations.
WebPageTest
An open-source tool that allows you to run performance tests on your website using real browsers at real consumer connection speeds.
Lighthouse
Automated auditing, performance metrics, and best practices for the web.
YSlow
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
New Relic
New Relic is an AI-powered observability platform that correlates your telemetry across your entire stack, so you can isolate the root cause and reduce MTTR.
SiteSpeed.io
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various…
DareBoost
All-in-one service for website speed test, web performance monitoring and website analysis (speed, SEO, quality, security).
Uptrends
Monitor web and API user journeys from 230+ ISP-based locations worldwide and feed outside-in synthetic insights into your open observability platform.
Dotcom-Monitor
Website monitoring that catches downtime before customers do.
Sucuri Load Time Tester
A tool that measures your website's load time from multiple locations around the globe.
KeyCDN
Single asset performance test from multiple locations.
Upzilla
Monitor website uptime, performance, availability monitoring and server uptime/downtime checks from multiple locations.
Sematext
IT system monitoring and management tools for DevOps who need 24x7 live visibility into their infrastructure.
Monitis
A website performance monitoring tool that provides real-time performance metrics and alerts.
DebugBear
Monitor website performance and Google Core Web Vitals with synthetic tests and real user monitoring (RUM).
Instana
IBM Instana Observability provides real‑time application insight that traces requests, detects issues across the full application stack and speeds problem resolution.
MonkeyTest
MonkeyTest agents use your site like a real user to find bugs, report them, and verify them once fixed.
Jest
Jest is a free, open-source JavaScript test runner with zero-config defaults, mocks, and snapshot testing.
Vitest
Vitest is a free, open-source unit test runner that reuses a Vite project's config, transforms, and plugins.
pytest
pytest is the usual Python test runner: plain asserts, fixtures, parametrization, and a large plugin set.
JUnit 5
JUnit 5 is the current JUnit for Java and the JVM: Jupiter for new tests, Platform to launch them, Vintage to run JUnit 4.
Maestro
Maestro is a YAML UI test runner for Android, iOS, and web. The CLI is free and open source; Maestro Cloud is paid.
Percy
Percy is BrowserStack's visual testing service. SDKs upload screenshots from your tests; reviewers accept or reject the diff.
Chromatic
Chromatic publishes Storybook and snapshots UI for visual review. The capture service is paid after a free monthly snapshot allowance.
Allure Report
Allure Report turns test results from many frameworks into one HTML report. The report tool is free and open source.
ReportPortal
ReportPortal is an open-source test-results server with live reporting, failure analysis, and dashboards. Hosted support is paid.
Currents
Currents is a paid CI dashboard for Playwright and a few other runners: traces, flake detection, and test orchestration.
axe-core
axe-core is Deque's open-source accessibility rules engine. It checks rendered HTML and reports WCAG violations as JSON.
Pa11y
Pa11y is a free, open-source command-line accessibility checker. It opens a URL in a headless browser and reports rule failures.
Cucumber
Cucumber is the open-source BDD tool that runs Gherkin feature files against step definitions. It is not CucumberStudio.
Testcontainers
Testcontainers starts throwaway Docker containers from tests so integration tests can use real databases, brokers, and browsers.
Sentry
Sentry groups application errors and traces them across services. The hosted product has a free developer plan and paid team plans.
Datadog
Datadog is a commercial cloud platform for metrics, traces, logs, and security signals. Products are priced separately.
Grafana
Grafana is an open-source dashboard for metrics, logs, and traces. Grafana Cloud adds a hosted stack with a free tier and paid plans.
OpenTelemetry
OpenTelemetry is the open standard and toolkit for traces, metrics, and logs. It is free; you still need a backend to store the data.
Promptfoo
Promptfoo is an open-source CLI for LLM evals and red teaming. The community tool is free; enterprise features are quoted.
DeepEval
DeepEval is an open-source LLM evaluation library with pytest-style asserts. Confident AI is the optional paid cloud from the same team.
Langfuse
Langfuse is an open-source platform for LLM traces, prompts, and evals. Self-hosting is free; Langfuse Cloud is paid after a hobby tier.
Momentic
Momentic is a paid AI end-to-end testing service. Tests are plain language or YAML, billed in credits, with a small free monthly allowance.
Semgrep
Semgrep is a fast static-analysis engine with a free open-source CLI and a paid platform for cross-file rules, supply chain, and secrets.
LaunchDarkly
LaunchDarkly is a commercial feature-flag and experimentation platform. A developer plan is free; production use is metered, not sold per seat.
Firebase Test Lab
Firebase Test Lab runs Android and iOS tests on Google-hosted devices. It is deprecated and scheduled to shut down on 30 September 2027.