Apache Storm
Open-source distributed system for real-time data stream processing
- Vendor
- Apache Software Foundation
- Also known as
- apache-storm
Available worldwide
What is Apache Storm?
A free and open-source framework that reliably processes continuous streams of data across distributed systems with guaranteed delivery and fault tolerance.
Apache Storm pricing
We don't have Apache Storm's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
Free and open source
What Apache Storm does
The capabilities that matter for streaming analytics, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Processing model
- -
- Delivery guarantee
- -
- Streaming sql
- -
- Event time watermarks
- -
- Stateful processing
- -
- Cdc support
- -
- Deployment model
- Self hosted
- Autoscaling
- -
- Connector breadth
- -
- Latency class
- -
- Open source
- ✓
- SOC2
- -
- Pricing model
- Open source self host
Platform & deployment
Independently observed- CLI
- Self-hosted
Integrations (2)
Independently observed- Hadoop
- Kafka
Security & compliance
Known vulnerabilities: 6 (0 in the last 12 months), max severity HIGH sourcea count reflects scale & disclosure, not quality
Apache Storm FAQ
Common questions about Apache Storm, answered from independent, dated evidence.
What is Apache Storm?
An open-source system designed to handle continuous streams of information quickly and reliably, without stopping, with built-in protections against data loss. It is indexed under Streaming Analytics.
Source: https://storm.apache.org
Is Apache Storm free to use?
Apache Storm is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://storm.apache.org
What platforms does Apache Storm support?
Apache Storm supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://storm.apache.org
Can Apache Storm be self-hosted?
Yes. Apache Storm can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://storm.apache.org
Is Apache Storm open source?
Yes. Apache Storm is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Source: https://github.com/apache/storm
Where is Apache Storm available?
Apache Storm is available worldwide. The vendor is headquartered in the United States.
Source: https://storm.apache.org
Apache Storm alternatives
Other streaming analytics we track, ranked by the same independent score.
- RisingWaveStreaming database for processing and analyzing high-frequency data in real timemedium · 53%
- Timeplus ProtonAn efficient streaming SQL platform for real-time analytics, ETL, and data pipelineslow · 5%
- Azure Stream AnalyticsServerless real-time analytics for cloud and edge environmentslow · 14%
- MaterializeA SQL-based data layer that continuously ingests and unifies data from multiple sources to power real-time applications and AI agentsmedium · 55%
- Amazon Managed Service for Apache FlinkFully managed Apache Flink stream processing service with automatic infrastructure provisioning and managementmedium · 55%
- Google Cloud DataflowManaged platform for real-time and batch data processinglow · 7%
Compare Apache Storm
Side by side against other streaming analytics, attribute by attribute, with a source on every value.
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 Apache Storm, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 55 | 0.14 | 7.4 | ✓ |
| Release cadence | 84 | 0.08 | 6.8 | ✓ |
| Stars | 72 | 0.05 | 3.4 | ✓ |
| Security score | 60 | 0.05 | 3.2 | ✓ |
| Dependent projects | 54 | 0.05 | 2.9 | ✓ |
| Capabilities | 29 | 0.08 | 2.3 | ✓ |
| Integrations | 14 | 0.05 | 0.7 | ✓ |
| Security posture | 0 | 0.12 | 0.0 | - |
| Package downloads | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.14 | 0.0 | - |
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.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 55 | mediumsource · 2026-10-15 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 68% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Open source: Yes · Pricing model: open-source-self-host · Deployment model: self-hosted | mediumsource · 2026-10-15 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 2 | mediumsource · 2026-08-19 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Java | highsource · 2026-10-15 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-15 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: US · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-19 · 75% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Scorecard | 6 | highsource · 2026-10-15 · 90% |
| Vulnerabilities | Count: 6 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.storm%3Astorm-core&per_page=100 · Last 12m: 0 · Max severity: HIGH | highsource · 2026-10-15 · 90% |
| Trust center | https://storm.apache.org/security-model.html | mediumsource · 2026-10-15 · 60% |
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Tell us the job, the constraints and what you weigh most, and we will rank Apache Storm against the rest of the streaming analytics we index, using the same dated evidence weighted your way.
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