# Apache Flink vs Census

**Leader by Vioscale score:** Census

| Attribute | Apache Flink | Census |
|---|---|---|
| **Vioscale score** | 57.5 (56% (medium)) | 82.3 (74% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 1,372 | - |
| adoption.github_stars | 26,293 | - |
| adoption.package_downloads_weekly | 50,231 | - |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true}` |
| description.long | A framework that processes real-time streams and batch data at scale, enabling stateful computations with low latency and high throughput across distributed clusters. | A fully managed data integration platform that moves data from 900+ sources into warehouses, lakes, and applications, then transforms and activates it for analytics and AI. Supports real-time and scheduled synchronization with enterprise security and compliance certifications. |
| features.capabilities | `{"role":"engine","paradigm":"both","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,"distributed_executor":true}` |
| integrations.count | 17 | 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":"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"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://flink.apache.org","retrievedAt":"2026-08-14T15:22:28.831Z"}` | `{"type":"usage","plans":[{"free":true,"name":"Free","summary":"Free up to 500k MAR connections, 3.5k MAR activations, 5k MMR transformations","features":["Access to core platform","700+ connectors","200+ activation destinations","dbt Core integration"],"description":"Introductory offering for low-volume data with core platform functionality","contactSales":false,"includedLimits":{"activations_mar":"3.5k/month","connections_mar":"500k/month","transformations_mmr":"5k/month"}},{"free":false,"name":"Standard","summary":"Usage-based pricing on Monthly Active Rows; $5 base charge per connection (1-1M MAR range)","features":["Unlimited users","15-minute syncs","700+ fully managed connectors","200+ fully managed activation destinations","dbt Core integration","Role-based access control","REST API access","SSH tunnels"],"commitment":"monthly","components":[{"kind":"fixed","amount":5,"period":"month","currency":"USD"}],"description":"Core platform functionality for teams automating data movement","contactSales":false,"includedLimits":{}},{"free":false,"name":"Enterprise","summary":"All Standard features plus premium sync speed and deployment flexibility","features":["All Standard features","1-minute syncs","Fivetran Activations Audience Hub","Enterprise database connectors","Custom roles","VPN tunnels","SCIM/user provisioning","Multi-cloud provider choice (GCP/AWS/Azure)","Hybrid deployment"],"commitment":"annual","description":"Greater platform flexibility and granular control for scale","contactSales":false,"includedLimits":{}},{"free":false,"name":"Business Critical","summary":"Enterprise-grade security with customer-controlled encryption and advanced compliance","features":["All Enterprise features","Customer-managed keys for encryption","PCI DSS Level 1 certification","Private networking options"],"commitment":"annual","description":"Highest data protection and compliance for regulated or sensitive data","contactSales":false,"includedLimits":{}}],"addOns":[{"name":"Professional Services"},{"name":"Enterprise License Agreement"}],"summary":"Free tier available. Usage-based pricing starting $5/month base + per-MAR metering. Annual contracts save up to 22%. Enterprise License Agreements available for fixed annual pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://www.getcensus.com/pricing","retrievedAt":"2026-08-13T22:21:48.361Z","freeTrialDays":14,"startingPrice":{"amount":5,"period":"month","currency":"USD"},"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 | 6.1 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.flink%3Aflink-clients_2.11&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: Vioscale. Generated 2026-09-01T16:35:36.055Z. "-" = undocumented, not absent.*