
Postman
Proxyman.io
Hoppscotch
ngrok
HTTP Toolkit
Fiddler
Warp
A Powerful API Mocking and Testing Tool

Material UI
The ultimate directory for top UI component libraries in React, Vue, Angular, Nuxt, Svelte, Rails, Weblow, and more.

Which is more popular?
Based on our record, Requestly seems to be more popular. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | requestly.com | componentlibraries.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States · 20 - 49 employees · 2021 | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


Requestly is a modern and powerful companion for API Development and Testing. It is an open-source tool purpose-built to speed up and simplify API development workflow for developers and QAs. It is a combination of API Client and HTTP Interceptor that helps create and share API Contracts, testing...
We want builders to avoid searching for the perfect UI component library for their project and scrolling through GitHub repos, outdated blog lists, or product pages that barely show what’s inside... We built ComponentLibraries.com to make finding the right component library effortless. Browse a...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Get Started with Requestly
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Requestly and ComponentLibraries.
Requestly's answer
Requestly's answer
Front-end developers, QAs, PMs, Digital Marketers
Requestly's answer
Requestly is an open-source API development and testing tool that combines the capabilities of an API Client and HTTP Interceptor, making it a better alternative to Postman + Charles Proxy. It simplifies API mocking, request modification, and debugging with an intuitive no-code interface, enabling developers and QAs to test APIs efficiently.
ComponentLibraries's answer:
Component Libraries is literally the only platform showcasing all the best component libraries, besides GitHub repos, outdated blog lists, or product pages.
ComponentLibraries's answer:
There wasn't a single platform showcasing ALL the component libraries for any framework, let alone promoting bootstrapped independent ones, so we built one!
ComponentLibraries's answer:
Next.js, Typescript, Sanity CMS
Share your experience with using Requestly and ComponentLibraries. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We...
We have no reviews of ComponentLibraries yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 10 months ago
That’s where automation changes the game. By pairing Cursor, an AI-powered coding assistant, with Requestly's local-first API testing and mocking platform, you can offload the grunt work of writing tests to AI while keeping execution... - Source: dev.to / 10 months ago
Requestly is a versatile browser extension and web client used to intercept, mock, and debug APIs in real-time—perfect for frontend developers. - Source: dev.to / over 1 year ago
Tracking ComponentLibraries since Feb 2025.
When comparing Requestly and ComponentLibraries, you can also consider the following products.

The Collaboration Platform for API Development
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A CSS Framework and a Set of React Components that Implement Google's Material Design
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Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Compare Proxyman.io to Requestly or ComponentLibraries:

Open source API development ecosystem
Compare Hoppscotch to Requestly or ComponentLibraries:

ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Compare ngrok to Requestly or ComponentLibraries:

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
Compare HTTP Toolkit to Requestly or ComponentLibraries: