
one sec
Freedom.to
Cold Turkey
Forest App
Focus App
AppBlock
RescueTime
Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.

JSON Placeholder
Postman
mocki Fake JSON API
MockAPI
WireMock Cloud
ExpressJS
soapUI
Get a full fake REST API with zero coding in less than 30 seconds. For front-end developers who need a quick back-end for prototyping and mocking

Which is more popular?
Based on our record, JSON Server seems to be more popular. It has been mentioned 45 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opal.so | github.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
Walkthroughs and reviews on video.
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Angular CRUD with Web API Tutorial Part #3 - Setup Local JSON Server and Mock API Endpoints
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Opal.so and JSON Server. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Opal.so since May 2025.
We'll be using json-server to create the REST API that we'll fetch data from. In the root of the project, create a db.json file with the contents. - Source: dev.to / over 2 years ago
Our backend will be little more than a two-way translation layer between the database and the user interface (UI). Later in this post we will identify other responsibilities of a backend but our implementation will be kept simple to... - Source: dev.to / about 3 years ago
JSON-Server creates fake REST API with a minimum amount of configuration, it provides a simple way to create mock RESTful APIs and easily define the required endpoints, allows easy definition of the data schema in a JSON file and can... - Source: dev.to / over 3 years ago
When comparing Opal.so and JSON Server, you can also consider the following products.

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JSON Placeholder is a modern platform that provides you online REST API, which you can instantly use whenever you need any fake data.
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Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.
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Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
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mocki Fake JSON API is an advanced platform that offers you to create API for personal use or testing purposes.
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