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description=Looking for a Confluent alternative after the IBM acquisition? StreamNative s Ursa Engine is native Apache Kafka — not just compatible — with lakehouse-native storage. Up to 95% less cost, zero connectors.;

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confluent alternative after ibm acquisition streamnative streamnative data streaming summit 2026 call for papers is open submit your talk dismiss announcement early access apache pulsar 5 0 on streamnative cloud be among the first to try the future of streaming request early access dismiss announcement why streamnative products pricing solutions resources about login try free for teams ready to upgrade from confluent get confluent s features plus pulsar queuing and lakehouse integration for 95 less start free trial see how much you ll save 95 lower cost less money on infrastructure cost with ursa engine zero code changes native kafka not just compatible zero code changes flexible by default highly adaptive setup with native dual protocol support powered by the ursa engine streaming queuing finally together confluent recently added kafka queues but it s java only with no dlq or exactly once support streamnative s ursa engine delivers production grade queuing and streaming with both pulsar and kafka apis ursa engine native pulsar and kafka protocol support pulsar s native queuing exclusive shared failover and key shared subscriptions run your existing kafka apps unchanged multi tenancy baked in from day one confluent reality check kafka queues launched in 2026 but java only no dlq and no exactly once pulsar has had production grade queuing for years streamline your stack built on open standards no lock in ever keep your kafka streaming workloads add pulsar for queuing ursa handles both natively no bridges no hacks no extra bills exclusive one consumer receives all messages ensures strict ordering for single worker processing shared messages are distributed via round robin across multiple consumers ideal for load balancing and horizontal scaling failover uses an active standby model automatically switches to a backup for high availability and disaster recovery key shared messages are partitioned by key across a consumer group provides guaranteed per key ordering at scale open table formats native your kafka topics are lakehouse tables ursa engine writes streaming data directly to iceberg and delta lake no connectors no etl no separate copy step confluent tableflow duplicates your data ursa makes it native native iceberg kafka topics are iceberg tables zero connectors native delta lake same deal open formats all the way unified catalog streams and tables in one namespace open formats no storage lock in translation no more connector jungle your data engineers get their weekends back let s talk money same workload 10x less cost we ran the numbers streamnative s ursa engine handles a 5 gb s kafka workload for 54 hour confluent cloud let s just say your finance team won t be happy download the benchmark report your cloud your rules 100 kafka native 0 lock in worried about the ibm acquisition you re not alone streamnative s ursa engine is a native fork of apache kafka open protocols open table formats no proprietary apis your data stays yours open protocols native kafka and pulsar protocol support open table formats native iceberg delta lake integration native kafka service run your existing apps unchanged multi cloud and hybrid deployments universal linking zero downtime migration from confluent msk or self managed plot twist it s just kafka point your clients at a new bootstrap address and you re done get free migration plan confluent vs streamnative see how the ursa engine stacks up against confluent s kafka only approach what you need confluent streamnative open protocols kafka protocol support pulsar protocol support message queuing limited java only subscription modes consumer groups only open table formats iceberg native via connectors delta lake native via connectors operations multi tenancy bolt on complexity multi cloud freedom it s complicated post ibm roadmap clarity uncertain your wallet s happiness unlikely confluent streamnative open protocols kafka protocol support pulsar protocol support message queuing limited java only subscription modes consumer groups only open table formats iceberg native via connectors delta lake native via connectors operations multi tenancy bolt on complexity multi cloud freedom it s complicated post ibm roadmap clarity uncertain your wallet s happiness unlikely the ursa engine advantage built entirely on open standards kafka pulsar protocols iceberg delta lake formats no proprietary apis no vendor lock in just open technology that works find out why our customers love us our journey with apache pulsar and the knowledge we have built together with streamnative have helped us build a central messaging platform that powers the delivery of millions of packages rené laplaine manager it business platforms at intelcom customer since 2019 we trust streamnative to help us manage the entire lifecycle of data across our enterprise which supports billions of e commerce interactions across the globe there s really no one ahead of streamnative when it comes to unified messaging and streaming in the cloud ankush goyal vp of engineering at narvar customer since 2019 read success story pulsar is unique in that it covers many use cases while also serving as a viable alternative to many technologies currently in use it covers all of our use cases and lets us focus on building an excellent system greg methvin iterable customer since 2019 trusted by industry leaders make your data ready and safe for agentic ai get started why streamnative discover lakestream choose pulsar or kafka streamnative vs confluent pulsar vs rabbitmq customers cisco iterable unify q6 cyber all customers partners databricks snowflake ververica all partners products data streaming overview kafka pulsar universal connect universal linking agent engine overview partner products flink choose your deployment streamnative cloud serverless dedicated byoc streamnative private cloud responsibility model pricing overview streamnative pricing cost calculator solutions use cases streaming lakehouse streaming data pipeline event driven architecture ai agentic all solutions industries martech financial services manufacturing automotive gaming resources general all resources blog events data streaming summit developer academy documentation support technologies ursa apache pulsar apache kafka oxia about company who we are careers contact us press press releases in the news security and trust trust center 2026 streamnative all rights reserved apache apache pulsar apache kafka apache bookkeeper apache flink and associated open source project names are trademarks of the apache software foundation terms of service privacy policy cookie settings why streamnative products pricing solutions resources about 2026 streamnative all rights reserved apache apache pulsar apache kafka apache bookkeeper apache flink and associated open source project names are trademarks of the apache software foundation terms of service privacy policy cookie settings