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Best Solace PubSub+ alternatives in 2026

Looking for an alternative to Solace PubSub+? Whether you've outgrown it, find the pricing steep, or just want to weigh your options, these are the strongest data integration & etl alternatives in 2026 - ranked on pricing, features, and who each one fits best. Solace PubSub+ itself has a free tier, so we've flagged where each option is cheaper, simpler, or more specialized.

  1. 1
    HiveMQ
    Best for: enterprises

    Enterprise MQTT platform for reliable IoT connectivity A popular data pipelines alternative to Solace PubSub+ with a genuinely usable free tier - free. Particularly strong for enterprises.

  2. 2
    Confluent
    Best for: data engineers

    If Solace PubSub+ feels like overkill or over-budget, Confluent is a leaner option with a genuinely usable free tier. Fully managed Apache Kafka and data streaming platform Pricing: free.

  3. 3
    Hightouch
    Best for: data-teams

    Hightouch goes head-to-head with Solace PubSub+ on features with a genuinely usable free tier. Reverse ETL and data activation. Best suited to data-teams. Free - $350/mo.

  4. 4
    Census
    Best for: data-teams

    A well-rated data pipelines pick. Reverse ETL for the data warehouse. Census offers a free plan and starts at free, making it a credible Solace PubSub+ replacement.

  5. 5
    NATS
    Best for: developers

    Lightweight cloud-native messaging and streaming system A popular data pipelines alternative to Solace PubSub+ with a genuinely usable free tier - free. Particularly strong for developers.

  6. 6
    Cribl
    Best for: devops

    If Solace PubSub+ feels like overkill or over-budget, Cribl is a leaner option with a genuinely usable free tier. Observability data pipeline and routing engine Pricing: free.

  7. 7
    Dagster
    Best for: data-engineers

    Dagster goes head-to-head with Solace PubSub+ on features with a genuinely usable free tier. Data orchestration platform. Best suited to data-engineers. Free.

  8. 8
    Redpanda
    Best for: developers

    A well-rated data pipelines pick. Kafka-compatible streaming without ZooKeeper or JVM Redpanda offers a free plan and starts at free, making it a credible Solace PubSub+ replacement.

Still considering Solace PubSub+ itself? Read our Solace PubSub+ review →

Frequently asked questions

What is the best Solace PubSub+ alternative?

HiveMQ is our top-rated Solace PubSub+ alternative for 2026. Enterprise MQTT platform for reliable IoT connectivity Free.

Is there a free Solace PubSub+ alternative?

Yes - HiveMQ, Confluent, Hightouch all offer a free tier you can start on without a credit card.

Why switch from Solace PubSub+?

Common reasons are price, a simpler feature set, better fit for a specific use case, or platform support. Each tool above notes where it has an edge over Solace PubSub+.