Code · Vendor site 2026-10-04
Apache Pulsar is a cloud-native distributed messaging and streaming platform supporting multi-tenant topics, geo-replication, and unified queueing plus streaming semantics. The homepage highlights client libraries, Pulsar Functions, and deployment at scale across hundreds of organizations.
Platform teams needing durable pub/sub and streaming with tenant isolation, replication, and stream processing hooks.
You operate Pulsar clusters and storage; the project site provides software rather than a fully managed cloud service.
Apache Pulsar combines queue and log semantics with multi-tenant isolation so teams can run pub/sub and streaming on shared infrastructure.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Messaging model | Homepage describes Pulsar as cloud-native distributed messaging and streaming. | Facts sourced | 2026-10-04 |
| Consumption modes | Site notes messages can be consumed and acknowledged individually or as streams. | Facts sourced | 2026-10-04 |
| Release banner | Homepage advertises Apache Pulsar 5.0.0-M1 as a highlighted release milestone. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Apache Pulsar is open-source software under the ASF with downloads and docs at no license subscription cost.
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Explore toolThe practical questions
Apache Pulsar is a cloud-native distributed messaging and streaming platform supporting multi-tenant topics, geo-replication, and unified queueing plus streaming semantics. The homepage highlights client libraries, Pulsar Functions, and deployment at scale across hundreds of organizations.
Apache Pulsar is open-source software under the ASF with downloads and docs at no license subscription cost.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Documentation lists client libraries and APIs for producing, consuming, and processing Pulsar messages.. API access and subscription access may have different terms; consult the linked sources.
You operate Pulsar clusters and storage; the project site provides software rather than a fully managed cloud service.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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