
Insomnia REST
Postman
RapidAPI for Mac
Requestly
Bruno
Thunder Client
HTTPie
Open source API development ecosystem

Microsoft Teams
How-To Geek
The Windows Club
ErrorFeed
Scanmycode
WinCrashReport
Free Windows error code database with 1,000+ step-by-step fixes for BSOD, update failures, driver and network errors.

Which is more popular?
Based on our record, Hoppscotch seems to be more popular. It has been mentioned 102 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | hoppscotch.io | errorcodereference.com |
| Pricing | ||
| Platforms | — | |
| Company | 2019 | 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


An open sourced free, fast and beautiful API request builder.
Here's a clean description for SaaSHub: ErrorCodeReference is a free, ad-free database of 1,000+ Windows error code fixes. Whether you're dealing with a BSOD, a failed Windows Update, a driver error, or a network issue, you can search any error code or keyword and get a clear step-by-step guide...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of ErrorCodeReference yet.
Walkthroughs and reviews on video.
Hoppscotch - A free, fast and beautiful API request builder - Open Source Friday
No ErrorCodeReference videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Hoppscotch and ErrorCodeReference.
ErrorCodeReference's answer:
Every guide is written specifically for that error code, not a generic troubleshooting checklist. Search any Windows error code or keyword and you get a direct fix. No account needed, no paywall, completely free and ad-free.
ErrorCodeReference's answer:
Most Windows error help is buried in forum threads from 2011 with no real resolution. ErrorCodeReference gives you one place with a clear, current, step-by-step fix for over 1,000 Windows errors. Free forever, no ads, no sign-up required.
ErrorCodeReference's answer:
Windows 10 and 11 users ranging from everyday home users dealing with a BSOD to IT professionals troubleshooting driver and update failures.
ErrorCodeReference's answer:
After 6 years answering Windows error questions on Microsoft Q&A, I kept seeing the same problem. People googling error codes and landing on outdated forum posts that never actually solved anything. So I built the site I wished existed. 1,000+ error fixes, completely free.
ErrorCodeReference's answer:
HTML, CSS, JavaScript and Cloudflare.
ErrorCodeReference's answer:
ErrorCodeReference is a free tool used by everyday Windows users and IT professionals. We don't have paying customers as the service is completely free to use.
Share your experience with using Hoppscotch and ErrorCodeReference. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Hoppscotch, formerly known as Postwoman, is a lightweight, open-source API development ecosystem that emphasizes speed and simplicity as a decent postman alternative.
Hoppscotch, previously known as Postwoman, is an open-source API request builder. This tool is highly valued by developers for its user-friendliness and versatility for handling various API requests. These include...
You can access Hoppscotch without an account. Hoppscotch has a specialized user interface for Restful, GraphQL, and Web socket connections. Using Hoppscotch’s Environment and Variable features, you can submit requests...
We have no reviews of ErrorCodeReference yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Hoppscotch is open-source, runs in the browser, and does everything I used Postman for. Collections, environments, WebSocket testing — all there. - Source: dev.to / 7 months ago
TL;DR: For AI-native test generation from specs, try Kusho AI. For the most complete platform with the newest AI Agent Mode, go Postman. For open-source and Git-native workflows, Bruno or Hoppscotch are your best bets. Enterprise teams... - Source: dev.to / 7 months ago
Enter Hoppscotch, the open-source API development suite that’s rapidly gaining popularity. It’s a powerful, lightweight, and beautifully designed tool that challenges the way we think about API testing and collaboration. - Source: dev.to / 10 months ago
Tracking ErrorCodeReference since Apr 2026.
When comparing Hoppscotch and ErrorCodeReference, you can also consider the following products.

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
Compare Insomnia REST to Hoppscotch or ErrorCodeReference:

Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Compare Microsoft Teams to Hoppscotch or ErrorCodeReference:

The Collaboration Platform for API Development
Compare Postman to Hoppscotch or ErrorCodeReference:

We are an online tech magazine, dedicated to providing interesting articles, how-tos, and even fun...
Compare How-To Geek to Hoppscotch or ErrorCodeReference:

Paw is a REST client for Mac.
Compare RapidAPI for Mac to Hoppscotch or ErrorCodeReference:

www.TheWindowsClub.com is targeted at the Windows 10/8/7 user and addresses issues and covers topics that will interest a Windows user.
Compare The Windows Club to Hoppscotch or ErrorCodeReference: