RESTer Alternatives
RESTer is described as 'A REST client for almost any web service (Firefox and Chrome extension)' and is a API Client in the web browsers category. There are more than 50 alternatives to RESTer for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best RESTer alternative is Postman, which is free. Other great apps like RESTer are Insomnia REST Client, Yaak, Hoppscotch and ApiArk.
Alternatives list
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Mac
- Windows
- Linux
- Firefox


+3
RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.

RestCase is a security-focused API development platform that enables its users to rapidly create secure microservices, mock them in order to start testing, monitor APIs and collaborate on their development and testing.


Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.


+1
Slingshot is a web-based HTTP request client that is highly performant, low on resources, privacy respecting, local-first, free and open-source. It stores all your data locally in your browser. It allows you to import and export OpenAPI specs and Postman collections.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Platforms
- Online
- Self-Hosted

Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.


+4
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Google Chrome
- Chromium
- Firefox



Conektto's API lifecycle fabric is the world's first SAAS based visual designer for API that generates spec, mocks, visualization, code, test and test data automatically.


+5
APITree is a free cloud-based API tool to create, manage and share OpenAPI specifications. It converts your OpenApi v2 / v3 specification into a beautiful technical API documentation. Public API documentation is hosted for free.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
Helps you to test the Rest API with your phone including features like import, edit and export postman collections.With this, you don't need to look for your laptop or PC whenever you need to test and modify your REST APIs. You can work on them anytime, on the go.


+4






































