# Apache Flink vs Census

**Leader by vioscaleAI score:** Census

| Attribute | Apache Flink | Census |
|---|---|---|
| **vioscaleAI score** | 57.4 (55% (medium)) | 79.7 (74% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 2,391 | - |
| adoption.github_stars | 26,406 | - |
| adoption.package_downloads_weekly | 26,298 | - |
| content.faq | `[{"answer":"A framework that processes real-time streams and batch data at scale, enabling stateful computations with low latency and high throughput across distributed clusters. It is indexed under Data Engineering Tools.","source":"https://flink.apache.org","question":"What is Apache Flink?","confidence":0.6},{"answer":"Apache Flink 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://flink.apache.org","question":"Is Apache Flink free to use?","confidence":0.6},{"answer":"Apache Flink supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://flink.apache.org","question":"What platforms does Apache Flink support?","confidence":0.6},{"answer":"Yes. Apache Flink can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://flink.apache.org","question":"Can Apache Flink be self-hosted?","confidence":0.6},{"answer":"We have confirmed 17 integrations for Apache Flink, including Kafka, Cassandra, Elasticsearch, MongoDB, OpenSearch, RabbitMQ, Google Cloud Pub/Sub and Apache Pulsar, plus 9 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://flink.apache.org","question":"What does Apache Flink integrate with?","confidence":0.6},{"answer":"Yes. Apache Flink 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/flink","question":"Is Apache Flink open source?","confidence":0.99}]` | `[{"answer":"Fivetran ingests data from SaaS applications, databases, and ERPs into data warehouses and lakes, applies SQL-based transformations on schedule, and activates the data for analytics and business operations. It is indexed under Data Engineering Tools.","source":"https://www.getcensus.com","question":"What is Census?","confidence":0.6},{"answer":"Census offers a free tier, so you can start without paying. Paid plans start at $5 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.getcensus.com/pricing","question":"Is Census free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Census. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.getcensus.com/pricing","question":"What platforms does Census support?","confidence":0.6},{"answer":"Not fully, on what we have confirmed. Census is offered as cloud / SaaS and hybrid, and a hybrid deployment usually means some components can run on your own infrastructure while the rest stays vendor-hosted. We have not confirmed a completely self-hosted option, so check with the vendor if that is a requirement.","source":"https://www.getcensus.com","question":"Can Census be self-hosted?","confidence":0.6},{"answer":"We have confirmed 14 integrations for Census, including Snowflake, Google BigQuery, Salesforce, Databricks, AWS Redshift, Azure Synapse, Marketo and HubSpot, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.getcensus.com","question":"What does Census integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Census. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Census not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.getcensus.com/security","question":"What security certifications does Census have?","confidence":0.7},{"answer":"Census is available worldwide. Its primary markets are the United States and the EU. The vendor is headquartered in the United States.","source":"https://www.getcensus.com/pricing","question":"Where is Census available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | A distributed processing engine and framework that handles both continuous data streams and bounded datasets using in-memory computation, designed to run at scale across cluster environments with state management and high throughput. | Fivetran ingests data from SaaS applications, databases, and ERPs into data warehouses and lakes, applies SQL-based transformations on schedule, and activates the data for analytics and business operations. |
| features.capabilities | `{"cdc":true,"role":"engine","paradigm":"both","managed_cloud":true,"connector_count":"17+","self_hosted_oss":true,"incremental_runs":true,"distributed_executor":true}` | `{"cdc":true,"role":"elt","lineage":false,"paradigm":"both","dbt_native":true,"data_quality":false,"elt_pushdown":true,"python_first":false,"managed_cloud":true,"connector_count":"900+ sources and destinations","self_hosted_oss":false,"incremental_runs":true,"reverse_etl_addon":true,"distributed_executor":true,"schema_drift_handling":true,"managed_cloud_available":true}` |
| integrations.count | 16 | 900 |
| integrations.list | `[{"name":"Kafka"},{"name":"Cassandra"},{"name":"Elasticsearch"},{"name":"MongoDB"},{"name":"OpenSearch"},{"name":"RabbitMQ"},{"name":"Google Cloud Pub/Sub"},{"name":"Apache Pulsar"},{"name":"JDBC"},{"name":"Apache HBase"},{"name":"Apache Hive"},{"name":"Amazon Kinesis"},{"name":"Amazon Firehose"},{"name":"Amazon DynamoDB"},{"name":"Apache Kudu"},{"name":"Prometheus"},{"name":"HTTP"},{"name":"AWS","native":true},{"name":"Google Cloud PubSub","native":true},{"name":"HBase","native":true},{"name":"Hive","native":true},{"name":"Kudu","native":true},{"name":"Pulsar","native":true},{"name":"YARN","native":true},{"name":"HDFS","native":true},{"name":"CDC","direction":"inbound"}]` | `[{"name":"Snowflake"},{"name":"Google BigQuery"},{"name":"Salesforce"},{"name":"Databricks"},{"name":"AWS Redshift"},{"name":"Azure Synapse"},{"name":"Marketo"},{"name":"HubSpot"},{"name":"Zendesk"},{"name":"Braze"},{"name":"Facebook Ads"},{"name":"Google Ads"},{"name":"Postgres"},{"name":"MySQL"},{"name":"dbt Core","native":true},{"name":"SAP","native":true,"category":"erp"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":["US","CA","GB","AU","IN","SG"],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://flink.apache.org","retrievedAt":"2026-09-14T09:27:44.802Z"}` | `{"type":"usage","plans":[{"free":false,"name":"Starter","description":"For small teams with low data volumes","contactSales":false},{"free":false,"name":"Standard","description":"For organizations with database sources, 15-minute sync frequencies, or REST API needs","contactSales":false},{"free":false,"name":"Enterprise","description":"High-volume replication with timely support and granular role-based access control","contactSales":false},{"free":false,"name":"Business Critical","description":"For global enterprise teams with strict data residency and compliance requirements","contactSales":false}],"summary":"Usage-based (pay per monthly active record). Free tier: 5,000 model runs monthly on all plans. 14-day trial per new connection. Annual contracts: automatic discounts from 5%+.","freeTier":true,"sourceUrl":"https://www.getcensus.com/pricing","retrievedAt":"2026-09-18T12:37:51.007Z","freeTrialDays":14,"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | yes | yes |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.pci | - | yes |
| security.scorecard | 5.7 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.flink%3Aflink-java&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Data Engineering Tools)

| Capability | Apache Flink | Census |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | Processing engine | ELT / ingestion |
| Processing paradigm | Batch + streaming | Batch + streaming |
| **Connectivity** |  |  |
| Connector count | 17+ | 900+ sources and destinations |
| CDC / log-based replication | ✓ | ✓ |
| **Transformation** |  |  |
| In-warehouse transformation (push-down) | - | ✓ |
| dbt-native orchestration | - | ✓ |
| **Deployment** |  |  |
| Self-hosted / open-source available | ✓ | ✗ |
| Managed cloud available | ✓ | ✓ |
| **Governance** |  |  |
| Data lineage / asset catalog | - | ✗ |
| **Authoring** |  |  |
| Python-first authoring | - | ✗ |
| **Execution** |  |  |
| Incremental / partition-aware runs | ✓ | ✓ |
| **Quality** |  |  |
| Built-in data quality / tests | - | ✗ |
| **Scale** |  |  |
| Horizontal scale (distributed executor) | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:21:56.217Z. "-" = undocumented, not absent.*