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Pororoca

HTTP testing tool with HTTP/2, HTTP/3, and WebSocket support

Cross-platform API testing tool inspired by Postman, featuring HTTP/2 and HTTP/3 support, collection-scoped environments, automated testing, and significantly lower memory usage.

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Overview

Modern API Testing Without the Bloat

Pororoca is a cross-platform HTTP testing tool designed for developers who need advanced protocol support without sacrificing performance. Built with C# and Avalonia, it runs on Windows, macOS, and Linux while consuming two to three times less memory than comparable tools.

Key Capabilities

The tool provides full support for HTTP/2 and HTTP/3 protocols alongside traditional HTTP/1.1, plus native WebSocket testing. Collection-scoped environments simplify workflow management, while secret variables protect sensitive data. Automated testing capabilities enable CI/CD integration, and fast startup times keep developers productive.

Privacy-First Architecture

Unlike cloud-synced alternatives, Pororoca stores all preferences, collections, and environments locally on your machine. No telemetry, no remote servers, no data sharing. Full Postman import/export compatibility ensures easy migration, allowing teams to switch without losing existing work. The multilanguage interface supports global development teams, while the open-source codebase ensures transparency and community-driven evolution.

Highlights

Native HTTP/2 and HTTP/3 protocol support for modern API testing
Two to three times lower memory usage compared to Postman
Collection-scoped environments with secret variable management
Full Postman import/export compatibility for seamless migration

Pros

  • Significantly lower memory footprint than mainstream alternatives
  • Complete local data storage with no cloud sync or telemetry
  • Advanced protocol support including HTTP/2, HTTP/3, and WebSockets
  • Fast startup time and cross-platform availability

Considerations

  • HTTP/3 support limited to Linux and Windows 11 or later
  • HTTP/2 on Windows requires Windows 10 or newer
  • Smaller community and ecosystem compared to established tools
  • No cloud collaboration features for distributed teams

Managed products teams compare with

When teams consider Pororoca, these hosted platforms usually appear on the same shortlist.

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Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.

Fit guide

Great for

  • Developers testing modern APIs with HTTP/2 or HTTP/3 requirements
  • Teams migrating from Postman seeking better performance
  • Privacy-conscious users requiring local-only data storage
  • Resource-constrained environments where memory usage matters

Not ideal when

  • Teams requiring cloud-based collaboration and sync features
  • Organizations standardized on Postman's enterprise ecosystem
  • Users on older Windows versions needing HTTP/2 support
  • Projects requiring extensive third-party integrations or plugins

How teams use it

HTTP/3 API Development

Test and validate next-generation HTTP/3 endpoints with native protocol support, ensuring compatibility before production deployment

Performance-Critical Testing

Run comprehensive API test suites on resource-limited CI/CD runners without memory bottlenecks

Postman Migration

Import existing Postman collections directly and continue testing workflows with improved performance and privacy

WebSocket Integration Testing

Validate real-time WebSocket connections alongside REST APIs in a unified testing environment

Tech snapshot

C#81%
NSIS17%
PowerShell1%
HTML1%
Shell1%

Tags

postmanload-testinghttptoolsavaloniagraphqlapi-testingclient-certificatetesting-toolshttp3developer-toolshttp2apiwebsocketsapi-test

Frequently asked questions

Does Pororoca sync my collections to the cloud?

No. Pororoca stores all data locally on your machine. No preferences, collections, environments, or telemetry are sent to remote servers.

Can I import my existing Postman collections?

Yes. Pororoca offers full import and export compatibility with Postman, allowing seamless migration of existing collections and environments.

What operating systems support HTTP/3?

HTTP/3 is supported on Linux and Windows 11 or later. HTTP/2 requires Windows 10 or later on Windows systems. macOS supports HTTP/2.

How much memory does Pororoca use compared to Postman?

Pororoca typically uses two to three times less memory than Postman, making it suitable for resource-constrained environments.

Does Pororoca support automated testing?

Yes. Pororoca includes automated testing capabilities, allowing you to integrate API tests into CI/CD pipelines.

Project at a glance

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Repo age3 years old
Last commit3 months ago
Primary languageC#

Last synced 3 hours ago