Solace

A messaging platform for building event-driven applications and microservices with flexible language and protocol support.

Also known as
solace

What is Solace?

A messaging service that enables developers to create event-driven applications and microservices using multiple programming languages and open protocols (MQTT, REST, JMS, proprietary Direct) across cloud and self-hosted deployment options.

Independently observed

What Solace does

The capabilities that matter for message queues, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
Messaging paradigm
Pub/sub
Correctness
Delivery guarantee
At-most-once
Ordering guarantee
Per-partition
Durability
Durable replayable log
Message replay / rewind
-
Interop
Wire protocol
MQTT, REST, JMS, Direct
Kafka-protocol compatible
-
Scale
Partitioned horizontal scaling
Geo / cross-region replication
-
Consumption
Consumer groups / competing consumers
Dead-letter queue
-
Deployment
Managed cloud offering exists
Hosting
Cloud + self-hosted
Processing
Built-in stream processing
-
Independently observed

Platform & deployment

Independently observed
Platforms
  • CLI
  • Linux
Deployment
  • Cloud / SaaS
  • Self-hosted

Integrations (4)

Independently observed
  • AWS
  • Kafka
  • Spark
  • IBM WebSphere

Solace FAQ

Common questions about Solace, answered from independent, dated evidence.

What is Solace?

A messaging service that enables developers to create event-driven applications and microservices using multiple programming languages and open protocols (MQTT, REST, JMS, proprietary Direct) across cloud and self-hosted deployment options. It is indexed under Message Queues.

Source: https://www.solace.dev/

What platforms does Solace support?

Solace supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.

Source: https://www.solace.dev/

Can Solace be self-hosted?

Yes. Solace can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.

Source: https://www.solace.dev/

What does Solace integrate with?

We have confirmed 4 integrations for Solace, including AWS, Kafka, Spark and IBM WebSphere. This is what we could verify from public sources, so the vendor may support others we have not indexed.

Source: https://www.solace.dev/

Solace alternatives

Other message queues we track, ranked by the same independent score.

All Solace alternatives, ranked →

Compare Solace

Side by side against other message queues, attribute by attribute, with a source on every value.

Independent · unbought · dated

The vioscaleAI score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Solace, not the verdict.

Balanced composite 48 / 100
low · 7%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Capabilities580.053.0
Integrations200.051.0
Price level00.040.0-
Reliability00.160.0-
Security posture00.120.0-
Pricing transparency00.060.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Content

AttributeValueEvidence
Faq4 itemsmediumsource · 2026-09-10 · 60%

Features

AttributeValueEvidence
CapabilitiesHosting: both · Ordering: per_partition · Paradigm: pubsub · Protocol: MQTT, REST, JMS, Direct · Persistent log: No · Consumer groups: Yesmediumsource · 2026-08-14 · 60%

Integrations

AttributeValueEvidence
Count4mediumsource · 2026-08-03 · 60%
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