Automate tests, mock dependencies, and ship with confidence.
Building testing tools from scratch takes roughly 1-2 weeks and ~45,000 tokens of AI-assisted development. Or use one of these developer tools and ship today.
| Tool | Price | Upvotes | Replaces |
|---|---|---|---|
|
Hoppscotch
Open-source API development ecosystem. Postman alternative.
|
Free | 0 | Postman |
|
Playwright
Browser automation and testing by Microsoft. Cross-browser.
|
Free | 0 | Selenium,Puppeteer,Cypress |
|
Cypress
Fast, easy and reliable testing for anything that runs in a browser.
|
Free | 0 | |
|
Insomnia
API design, debug, and test. Open-source core.
|
Free | 0 | Postman |
|
Vitest
Fast unit test framework powered by Vite
|
Free | 0 | |
|
GrowthBook
Open-source feature flagging and A/B testing platform.
|
Free | 0 | LaunchDarkly,Optimizely |
|
Cypress Realworld App
A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and work
|
Free | 0 | |
|
Postman MCP Server
API testing and collection management for AI agents
|
Free | 0 | |
|
Bruno
Open-source API client. Stores collections in Git.
|
Free | 0 | Postman,Insomnia |
|
Kreya
gRPC and REST API client for developers.
|
Free | 0 | Postman,BloomRPC |
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