Pulsar client libraries

Pulsar supports the following language-specific client libraries:

Pulsar supports the following language-agnostic client libraries:

Feature matrix

Pulsar client feature matrix for different languages is listed on Pulsar Feature Matrix (Client and Function) page.

Third-party clients

Besides the officially released clients, multiple projects on developing Pulsar clients are available in different languages.

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.NET

Project	Description	License	Badges
pulsar-client-dotnet	Apache Pulsar native client for .NET (C#/F#/VB)	MIT

Go

Project	Description	License	Badges
pulsar-client-go	A Go client library for Apache Pulsar	Apache-2.0

Haskell

Project	Description	License	Badges
supernova	Apache Pulsar client for Haskell	Apache-2.0

Node.js

Project	Description	License	Badges
pulsar-flex	Pulsar Flex is a modern Apache Pulsar client for Node.js, developed to be independent of C++.	MIT

PHP

Project	Description	License	Badges
pulsar-client-php	PHP Native Client library for Apache Pulsar	MIT

Rust

Project	Description	License	Badges
pulsar-rs	Rust Client library for Apache Pulsar	Apache-2.0

Scala

Project	Description	License	Badges
pulsar4s	Idiomatic, typesafe, and reactive Scala client for Apache Pulsar	Apache-2.0
neutron	Purely functional Apache Pulsar client for Scala built on top of Fs2	Apache-2.0
neutron (profunktor’s fork)	Fs2-powered Apache Pulsar client with support for Scala 2 and 3	Apache-2.0