Free-tier testing & qa

kogiQA

kogiQA is a UI automation tool for web applications that uses natural-language selectors instead of CSS or XPath. The landing page shows examples such as click("New User") and type("Name", "Marc"), an...

Svix

Svix is a webhook infrastructure service for sending, receiving, and testing webhooks through an API and dashboard. It includes webhook dispatch, webhook ingestion, and Svix Play for inspecting and de...

Checkly

Checkly is a monitoring platform for uptime checks, API checks, browser checks, Playwright check suites, status pages, alerting, dashboards, and trace-based root cause analysis. It supports code-first...

Abby

Abby is a type-safe feature flag and remote configuration service with SDKs for React and Next.js. It supports server-side rendering and static site generation, includes environment-specific flag values, and provides optional devtools for debugging feature flags and remote config variables.

PHPSandbox

PHPSandbox is an online PHP sandbox and editor that lets developers create, run, and share PHP projects from the browser. It provides a permanent preview URL for each project, a Monaco-based editor, C...

Mergify

Mergify is a merge automation platform for GitHub repositories. It handles the steps between pull request creation and a green main branch, including merge queues, merge protections, CI observability, flaky test detection, and stacked pull requests.

CurlHub.io

CurlHub is a no-install debugger for API requests. It lets developers inspect API traffic and create a simple request bin without installing local tooling.

BrowserCat

BrowserCat is a hosted headless browser API for Playwright, Puppeteer, and CDP-based automation. It provides browser sessions that connect to BrowserCat’s fleet instead of local infrastructure, with s...

Beeceptor

Beeceptor is a mock API server platform for REST, SOAP, GraphQL, and gRPC endpoints. It lets developers upload OpenAPI, WSDL, GraphQL SDL, or proto definitions, or define responses through a no-code UI, then inspect requests, add matching rules, and return dynamic or stateful responses.

Arize

Arize is an AI and agent engineering platform that combines observability, tracing, evaluation, prompt management, and monitoring for production AI systems. The product includes Arize AX for generativ...

Plurai

Plurai is an AI agent trust platform with products for simulation, evals, guardrails, and simulation-driven optimization. It provides synthetic scenario generation, no-code evaluation creation, guardrail training, and CI/CD integration for validating agent behavior before and during production.

AWS Security Agent

AWS Security Agent is a penetration testing and application security review service that runs in the AWS console. It performs on-demand penetration tests, automated design security reviews, and code s...

Mailtrap

Mailtrap is an email delivery platform with two main products: Email API/SMTP for sending transactional and promotional email, and Email Sandbox for testing emails in staging, dev, and QA environments...

TestMu AI is a cloud testing platform for web and mobile applications. It provides browser-based live testing, automation execution, real device testing, visual testing, test management, and analytics...

BrowserStack

BrowserStack is a cloud testing platform for web and mobile applications. It provides access to real desktop browsers and real iOS and Android devices for manual testing, automation, visual testing, accessibility testing, and test reporting.

Percy

Percy is a visual testing platform for web and mobile applications. It captures screenshots during automated test runs, compares them against baselines, and surfaces visual diffs for review before release.

Statsig

Statsig is a product development platform that combines experimentation, feature flags, product analytics, session replay, web analytics, and infrastructure analytics in one service. It provides SDKs ...

Cypress

Cypress is a browser-based testing platform for JavaScript applications. It provides an open-source Cypress App for writing, running, and debugging end-to-end and component tests directly in the brows...

Chromatic

Chromatic is a frontend UI testing and review platform for teams that runs visual, interaction, and accessibility checks in real browsers. It integrates with Storybook, Playwright, and Cypress, and compares snapshots across browsers and viewports to detect regressions before changes ship.

Flagsmith

Flagsmith is an open source feature flag and remote configuration service. It provides APIs and SDKs for web, mobile, and server-side applications so teams can enable or disable features, target users or segments, and change feature values without redeploying code.

GitLab

GitLab is a DevSecOps platform that combines source code management, CI/CD, security testing, compliance controls, and project planning in one product. The hosted GitLab.com offering includes Free, Premium, and Ultimate plans, plus self-managed and dedicated deployment options.