# Apache Pulsar > Apache Pulsar is an open-source, distributed pub-sub messaging and streaming platform originally created at Yahoo. It is designed for high-throughput, low-latency messaging and features a multi-tiered architecture that separates serving from storage. It supports multi-tenancy, geo-replication, and tiered storage natively. - URL: https://optimly.ai/brand/apache-pulsar - Slug: apache-pulsar - BAI Score: 78/100 - Archetype: Challenger - Category: Data Infrastructure - Last Analyzed: April 11, 2026 - Part of: Apache Software Foundation (https://optimly.ai/brand/apache-software-foundation) ## Competitors - Amazon Kinesis (https://optimly.ai/brand/amazon-kinesis) - Redpanda (https://optimly.ai/brand/redpanda) ## Also Referenced By - Apache Kafka Kraft Mode (https://optimly.ai/brand/apache-kafka-kraft-mode) - Apache Kafka Standard (https://optimly.ai/brand/apache-kafka-standard)