Postman alternatives

The most-starred open source alternative to Postman is Hoppscotch. Other notable options: Bruno, Insomnia, Keploy, Yaak. All of them are free to download and most can run on your own server.

Hoppscotch80.8k

hoppscotch/hoppscotch

Open source API client that runs in the browser and can be self hosted.

Alternative to: Postman

LicenseOpen sourceMIT

CategoryDeveloper ToolsSelf-hosted

LanguageTypeScript

Last updatetoday

PlatformsWebDocker

Bruno48.2k

usebruno/bruno

Lightweight open source IDE for exploring and testing APIs, a Postman alternative.

Alternative to: Postman

LicenseOpen sourceMIT

CategoryDeveloper Tools

LanguageJavaScript

Last updatetoday

PlatformsWindowsMacLinux

Insomnia40.1k

Kong/insomnia

Open source API client for designing and testing GraphQL, REST, WebSocket and gRPC requests.

Alternative to: Postman

LicenseOpen sourceApache-2.0

CategoryDeveloper Tools

LanguageTypeScript

Last updatetoday

PlatformsWindowsMacLinux

Keploy19.5k

keploy/keploy

Platform for creating safe, isolated sandboxes and tests for APIs and integrations.

Alternative to: Postman

LicenseOpen sourceApache-2.0

CategoryDeveloper Tools

LanguageGo

Last updatetoday

PlatformsCommand line

Yaak19.4k

mountain-loop/yaak

Intuitive desktop API client for REST, GraphQL, WebSockets and gRPC.

Alternative to: Postman, Insomnia

LicenseOpen sourceMIT

CategoryDeveloper Tools

LanguageTypeScript

Last updatetoday

PlatformsWindowsMacLinux

Hurl19.3k

Orange-OpenSource/hurl

Command line tool that runs and tests HTTP requests defined in plain text.

Alternative to: Postman

LicenseOpen sourceApache-2.0

CategoryDeveloper Tools

LanguageRust

Last update1 days ago

PlatformsCommand line

GraphiQL16.9k

graphql/graphiql

In-browser IDE for writing and testing GraphQL queries, with autocomplete and schema documentation.

Alternative to: Postman

LicenseOpen sourceMIT

CategoryDeveloper Tools

LanguageTypeScript

Last updatetoday

PlatformsWeb

Scalar16.4k

scalar/scalar

Open-source API platform that turns OpenAPI documents into polished docs and an interactive API client.

Alternative to: Postman

LicenseOpen sourceMIT

CategoryDeveloper Tools

LanguageTypeScript

Last updatetoday

PlatformsWebDocker

MeterSphere13.6k

metersphere/metersphere

Open-source continuous testing platform with API testing and an AI assistant

Alternative to: Postman

LicenseOpen source

CategoryDeveloper ToolsSelf-hosted

LanguageJava

Last update8 days ago

PlatformsWebDocker

grpcurl12.9k

fullstorydev/grpcurl

Command-line tool like cURL for interacting with gRPC servers

Alternative to: Postman

LicenseOpen sourceMIT

CategoryDeveloper Tools

LanguageGo

Last update3 days ago

PlatformsCommand line

#1403

Posting12.6k

Modern API client that lives in your terminal, for building and sending HTTP requests

Developer ToolsCommand line

#1654

wuzz10.7k

Interactive CLI tool for crafting and inspecting HTTP requests.

Developer ToolsCommand line

#1666

oha10.7k

HTTP load generator with a live terminal UI, inspired by hey and written in Rust

Developer ToolsCommand line

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