Top 12 Open-Source Alternatives to Postman Workspaces

Product categories

API API Design API Management API Tools APIs App Development Backend As A Service Branding Developer Tools HTTP Proxies Productivity Web Frameworks

Summary

The top open-source alternatives to Postman Workspaces are Postman, Insomnia REST, and Supabase. 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
#APIs #API Tools #Developer Tools 27 social mentions
Insomnia REST Landing Page
2

Insomnia REST

The most intuitive cross-platform REST API Client ð´
Pricing:
- Open Source
#API Tools #API #Developer Tools 120 social mentions
Supabase Landing Page
3

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Developer Tools #Realtime Backend / API #Backend As A Service 428 social mentions
StopLight Landing Page
4

StopLight

Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality in your API lifecycle, all with an easy, enjoyable developer experience.
Pricing:
- Open Source
- Freemium
- Free Trial
#API Tools #APIs #API 23 social mentions
Prostgles Landing Page
5

Prostgles

Isomorphic TypeScript client for PostgreSQL with replication
Pricing:
- Open Source
#Productivity #Open Source #Branding
Mockoon Landing Page
6

Mockoon

Mock servers in seconds
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 26 social mentions
Laravel Landing Page
7

Laravel

A PHP Framework For Web Artisans
Pricing:
- Open Source
#Developer Tools #Web Frameworks #PHP Framework 194 social mentions
Proxyman.io Landing Page
8

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
Hoppscotch Landing Page
9

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 77 social mentions
Colyseus Landing Page
10

Colyseus

Multiplayer Game Server for Node.js. Focus on the gameplay instead of networking.
Pricing:
- Open Source
#Developer Tools #App Development #Game Development 4 social mentions
Rancher Landing Page
11

Rancher

Open Source Platform for Running a Private Container Service
Pricing:
- Open Source
#DevOps Tools #Developer Tools #Continuous Integration And Delivery 24 social mentions
Nakama Landing Page
12

Nakama

Nakama is an open-source distributed social and realtime server for games and apps.
Pricing:
- Open Source
#Developer Tools #App Development #Development 14 social mentions