Top 12 Open-Source Alternatives to Firefox Developer Tools

Product categories

API API Tools APIs Ad Servers Databases Developer Tools Dynamic Programming Language Generic Programming Language OOP Programming Language Proxy Software Development

Summary

The top open-source alternatives to Firefox Developer Tools are Typescript, Postman, and Flow Type. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Typescript Landing Page
1

Typescript

TypeScript allows developers to compile a superset of JavaScript to plain JavaScript on any browser, host, or operating system.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 25 social mentions
Postman Landing Page
2

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
#APIs #API Tools #Developer Tools 27 social mentions
Flow Type Landing Page
3

Flow Type

A Static Type Checker for JavaScript
Pricing:
- Open Source
#Programming Language #Programming #Static Type Checker 24 social mentions
Insomnia REST Landing Page
4

Insomnia REST

The most intuitive cross-platform REST API Client ð´
Pricing:
- Open Source
#API Tools #API #Developer Tools 120 social mentions
.NET Landing Page
5

.NET

.NET is a free, cross-platform, open source developer platform for building many different types of applications.
Pricing:
- Open Source
#Developer Tools #Web And Application Servers #Web Frameworks 46 social mentions
Vim Landing Page
6

Vim

Highly configurable text editor built to enable efficient text editing
Pricing:
- Open Source
#Text Editors #Software Development #IDE 10 social mentions
Hoppscotch Landing Page
7

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 77 social mentions
Elixir Landing Page
8

Elixir

Dynamic, functional language designed for building scalable and maintainable applications
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 74 social mentions
Elm Landing Page
9

Elm

A type inferred, functional reactive language that compiles to HTML, CSS, and JavaScript
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 114 social mentions
mitmproxy Landing Page
10

mitmproxy

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
Pricing:
- Open Source
#Developer Tools #Security #Software Development 81 social mentions
Proxyman.io Landing Page
11

Proxyman.io

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Pricing:
- Open Source
- $49.0 / Annually
#Developer Tools #Debugging #Proxy 24 social mentions
JSON Landing Page
12

JSON

(JavaScript Object Notation) is a lightweight data-interchange format
Pricing:
- Open Source
#Databases #NoSQL Databases #Software Development 13 social mentions