Top 10 Open-Source Alternatives to Postman for Mac (Beta)

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Postman for Mac (Beta)

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Product categories

A/B Testing API API Clients API Testing API Tools APIs CSS Framework Design Tools Developer Tools Development Tools Realtime Backend / API Web Frameworks

Summary

The top open-source alternatives to Postman for Mac (Beta) are Postman, Supabase, and MockServer. 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.

Postman Landing Page
1

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 30 social mentions
Supabase Landing Page
2

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Realtime Backend / API #Backend As A Service #Web Frameworks 504 social mentions
MockServer Landing Page
3

MockServer

Easy mocking of any system you integrate with via HTTP or HTTPS.
Pricing:
- Open Source
#API #API Tools #Developer Tools 4 social mentions
Bulma Landing Page
4

Bulma

Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 115 social mentions
Next.js Landing Page
5

Next.js

A small framework for server-rendered universal JavaScript apps
Pricing:
- Open Source
#Static Site Generators #Javascript UI Libraries #Web Frameworks 1076 social mentions
Materialize CSS Landing Page
6

Materialize CSS

A modern responsive front-end framework based on Material Design
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 26 social mentions
Mockoon Landing Page
7

Mockoon

Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.
Pricing:
- Open Source
- Paid
- Free Trial
- $15.0 / Monthly (5 API mocks synchronized accross your devices, 1 mock deployed)
#API Tools #Developer Tools #APIs 34 social mentions
Flagsmith Landing Page
8

Flagsmith

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
Pricing:
- Open Source
- Freemium
- Free Trial
#A/B Testing #Configuration Management #Developer Tools 13 social mentions
Prostgles Landing Page
9

Prostgles

Isomorphic TypeScript client for PostgreSQL with replication
Pricing:
- Open Source
#Productivity #Open Source #APIs
deployd Landing Page
10

deployd

API development tool for Web and Mobile developers.
Pricing:
- Open Source
#Realtime Backend / API #Mobile Push Messaging #Developer Tools