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Opensource Builders VS Requestly

Compare Opensource Builders VS Requestly and see what are their differences

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Opensource Builders logo Opensource Builders

Find open-source alternatives to commercial apps

Requestly logo Requestly

A Powerful API Mocking and Testing Tool
  • Opensource Builders Landing page
    Landing page //
    2023-09-01
  • Requestly Requestly
    Requestly //
    2025-02-12
  • Requestly Rest Client
    Rest Client //
    2025-02-12
  • Requestly HTTP Interceptor
    HTTP Interceptor //
    2025-02-12
  • Requestly API Mocking
    API Mocking //
    2025-02-12
  • Requestly Requestly
    Requestly //
    2025-02-12

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 APIs, and easily mock and integrate them into web and mobile apps.

Opensource Builders

Website
opensource.builders
Pricing URL
-
$ Details
Platforms
-
Release Date
-
Edit details

Requestly

Website
requestly.com
Pricing URL
Official Requestly Pricing
$ Details
freemium
Platforms
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS
Release Date
2021 January
Startup details
Country
United States
State
California
City
San Francisco
Founder(s)
Sachin Jain, Sagar Soni, Sahil Gupta
Employees
20 - 49
Edit details

Opensource Builders features and specs

  • Cost-effective
    The platform provides access to a wide range of open-source alternatives to popular commercial software, helping users save money on licensing fees.
  • Community-driven
    It leverages the power of community contributions, ensuring that the tools and projects listed are continuously improved and updated by a diverse group of developers.
  • Transparency
    Being open-source, the projects listed have transparent codebases, allowing users to inspect, modify, and contribute to them, promoting trust and security.
  • Flexibility
    Open-source projects often offer greater customization options compared to proprietary software, enabling users to tailor the tools to their specific needs.
  • Wide Selection
    Opensource Builders provides a comprehensive directory of open-source alternatives, covering various categories and needs.

Possible disadvantages of Opensource Builders

  • Variable Quality
    The quality of open-source projects can vary widely, with some potentially lacking the polish and stability of their commercial counterparts.
  • Support Challenges
    Open-source projects may not offer the same level of dedicated customer support that comes with commercial software, potentially leading to longer resolution times for issues.
  • Learning Curve
    Some open-source tools can have a steeper learning curve, requiring users to invest time in understanding and configuring them properly.
  • Inconsistent Documentation
    Documentation for open-source projects may not always be thorough or up-to-date, making it harder for users to get started or troubleshoot problems.
  • Potential for Abandonment
    Open-source projects can sometimes be abandoned by their maintainers, leading to a lack of updates and declining security over time.

Requestly features and specs

  • Redirect URL
  • Block Network Requests
  • Modify Request & Response Header
  • Modify Response
  • Supercharge Selenium
  • Session Replay
  • Modify Query Params
  • Team Workspace
  • API Client
  • API Mocks
  • GraphQL Support
  • Zero Setup
  • Auto Capture Sessions
  • Network Logs
  • Console Logs

Analysis of Opensource Builders

Overall verdict

  • Yes, Open Source Builders is a valuable resource for individuals and organizations looking to explore open-source alternatives. Its user-friendly interface and comprehensive database make it a good tool for discovering viable open-source solutions for various needs.

Why this product is good

  • Open Source Builders (opensource.builders) provides a platform for users to find open-source alternatives to popular commercial software. It promotes community collaboration, reduces costs, and enhances customization options with a wide selection of software that is freely available and often highly customizable.

Recommended for

  • Individuals interested in leveraging open-source software to save on software licensing costs.
  • Developers seeking customizable software solutions.
  • Organizations aiming to embrace open-source solutions for their software needs.
  • Educators and students who want to explore and learn from open-source projects.

Analysis of Requestly

Overall verdict

  • Requestly is generally regarded as a good tool due to its comprehensive functionalities and ease of use. Its ability to seamlessly manage network requests makes it suitable for both beginners and experienced developers.

Why this product is good

  • Requestly is widely considered a valuable tool because it offers robust and flexible features for intercepting and modifying network requests. Developers and QA testers appreciate it for its ability to simulate and debug API calls efficiently. It is particularly useful for testing changes without altering the codebase and for working with web applications in development and production environments.

Recommended for

  • Developers looking to debug and test API endpoints.
  • Quality Assurance (QA) teams that require reliable testing tools for web applications.
  • Technical professionals who manage network traffic and need to modify or redirect requests effortlessly.
  • Anyone involved in web development who needs to simulate network conditions or test application behavior under different scenarios.

Opensource Builders videos

No Opensource Builders videos yet. You could help us improve this page by suggesting one.

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Requestly videos

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Get Started with Requestly

More videos:

  • Demo - Session Replays by Requestly
  • Tutorial - Modify API Response using Requestly Chrome Extension
  • Tutorial - How to load local JS file in production sites for faster debugging (Map Local Tool)
  • Tutorial - Report Quality Bugs with Video, Network logs, Console logs & Environment details

Category Popularity

0-100% (relative to Opensource Builders and Requestly)

Opensource Builders

Requestly

Software Marketplace
100 100%
Software Marketplace
0% 0
Developer Tools
0 0%
Developer Tools
100% 100
Software Recommendations
100 100%
Software Recommendations
0% 0
Testing
0 0%
Testing
100% 100

Questions & Answers

As answered by people managing Opensource Builders and Requestly.

Who are some of the biggest customers of your product?

Requestly's answer:

  • Verizon
  • AT&T
  • Adobe
  • Salesforce
  • Telegraph
  • Intuit
  • Verizon

How would you describe the primary audience of your product?

Requestly's answer:

Front-end developers, QAs, PMs, Digital Marketers

What makes your product unique?

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.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Opensource Builders and Requestly

Opensource Builders Reviews

We have no reviews of Opensource Builders yet.
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Requestly Reviews

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
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 have also clearly differentiated how Requestly differs from Wireshark and other web debugging tools like Proxyman, Modheader, and HTTP ToolKit separately.
Source: dev.to

Social recommendations and mentions

Based on our record, Requestly should be more popular than Opensource Builders. It has been mentiond 35 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Opensource Builders mentions (5)

Requestly mentions (35)

  • Why You Need a Local-First API Client (With Hands-On Example)
    If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 9 months ago
  • How to use Cursor to Generate API Testcases in Requestly
    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 secure and reproducible on your own system. In this article, we’ll walk through how to set up Cursor with Requestly, generate test cases automatically, and run them end-to-end so that... - Source: dev.to / 9 months ago
  • These 20 Awesome API Clients Will Change How You Work with APIs
    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 / about 1 year ago
  • Best Tools for GraphQL Development in 2025
    Requestly is a powerful tool for modifying GraphQL responses, intercepting requests, and debugging API interactions. It allows developers to tweak request bodies, capture GraphQL traffic, and share sessions for easier debugging and collaboration. - Source: dev.to / over 1 year ago
  • How Not to Use AI in Software Development
    Learn more at https://requestly.com/. - Source: dev.to / over 1 year ago
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What are some alternatives?

When comparing Opensource Builders and Requestly, you can also consider the following products

AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.

Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Product Hunt - A website that lets users share and discover new products

Postman - The Collaboration Platform for API Development

Alternative.me - Welcome to alternative.me, the source of better software alternatives. Finding suitable software was never easier.

Hoppscotch - Open source API development ecosystem

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