# Apache Storm vs Google Cloud Dataflow

| Attribute | Apache Storm | Google Cloud Dataflow |
|---|---|---|
| **Vioscale score** | 55.2 (28% (low)) | 17.3 (3% (low)) |
| activity.commits_last_30d | 78 | - |
| adoption.dependent_repos | 1,756 | - |
| adoption.github_stars | 6,698 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true}` |
| description.long | An open-source system designed to handle continuous streams of information quickly and reliably, without stopping, with built-in protections against data loss. | A unified data processing platform that supports real-time ETL, stream analytics, machine learning inference, and complex transformations using Apache Beam, running on Google Cloud infrastructure with automatic scaling. |
| integrations.count | 2 | 3 |
| integrations.list | `[{"name":"Hadoop"},{"name":"Kafka"}]` | `[{"name":"Apache Beam"},{"name":"Splunk"},{"name":"Google Cloud Notebooks"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true}` | - |
| pricing | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://storm.apache.org","retrievedAt":"2026-08-19T22:48:57.139Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | commercial |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| release.cadence_days | 26 | - |
| release.history | `[{"url":"https://github.com/apache/storm/releases/tag/v3.0.0","date":"2026-07-22T22:27:16Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.9","date":"2026-07-22T22:24:51Z","type":"stable","version":"v2.8.9"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.8","date":"2026-05-18T22:03:07Z","type":"stable","version":"v2.8.8"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.7","date":"2026-04-19T17:26:04Z","type":"stable","version":"v2.8.7"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.6","date":"2026-04-07T18:11:58Z","type":"stable","version":"v2.8.6"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.5","date":"2026-03-25T00:05:25Z","type":"stable","version":"v2.8.5"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.4","date":"2026-03-02T15:29:20Z","type":"stable","version":"v2.8.4"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.3","date":"2025-11-02T17:42:34Z","type":"stable","version":"v2.8.3"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.2","date":"2025-08-03T20:48:08Z","type":"stable","version":"v2.8.2"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.1","date":"2025-06-03T00:05:21Z","type":"stable","version":"v2.8.1"},{"url":"https://github.com/apache/storm/releases/tag/v2.8.0","date":"2025-01-24T12:36:59Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/apache/storm/releases/tag/v2.7.1","date":"2025-01-09T14:24:47Z","type":"stable","version":"v2.7.1"},{"url":"https://github.com/apache/storm/releases/tag/v2.7.0","date":"2025-01-09T14:24:29Z","type":"stable","version":"v2.7.0"}]` | - |
| security.scorecard | 6.8 | - |
| security.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"}` | - |

## Capabilities (Streaming Analytics)

| Capability | Apache Storm | Google Cloud Dataflow |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Processing model | - | - |
| Delivery guarantee | - | - |
| Streaming sql | - | - |
| Event time watermarks | - | - |
| Stateful processing | - | - |
| Cdc support | - | - |
| Deployment model | - | - |
| Autoscaling | - | - |
| Connector breadth | - | - |
| Latency class | - | - |
| Open source | - | - |
| SOC2 | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T14:45:22.630Z. "-" = undocumented, not absent.*
