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Instead of Apache Flink CDC

Apache Flink CDC alternatives

Apache Flink CDC moves real-time and batch data with a distributed integration tool built on Apache Flink. It supports full database and sharded table synchronization, schema evolution, and transformations. Its YAML Pipeline API defines sources, sinks, routing, and rules; SQL and DataStream APIs provide other ways to define CDC sources and Flink applications. Connectors cover databases such as MySQL, PostgreSQL, Oracle, SQL Server, and MongoDB, and destinations including Kafka, Doris, Iceberg, and Elasticsearch. It is free under Apache 2.0 and runs self-hosted with an Apache Flink deployment.

1. 1

   FOSSology

   Free plan Open source APILinuxMac+3

   License and copyright scanning with review workflows — FOSSology scans software for license, copyright, and export-control information rather than synchronizing database changes like Apache Flink CDC.

   Free plan Visit site
2. 2 S

   ScanCode.io

   Free plan APILinuxMac+3

   Scripted composition analysis scans and SBOM workflows — ScanCode.io scans containers, images, archives, and manifests for license, source, copyright, and vulnerability information, unlike Flink CDC's data pipelines.

   Open source Visit site
3. 3 D

   DeepFilterNet

   Free plan Open source APILinuxMac+2

   Noise suppression for speech audio — DeepFilterNet enhances 48 kHz speech audio and offers real-time noise suppression, rather than database capture and synchronization.

   Open source Visit site
4. 4

   licscan

   Free plan LinuxMacWindows

   Local dependency license-risk scans and CRA evidence — LicScan scans project dependencies and creates SBOMs and EU CRA evidence, capabilities distinct from Flink CDC's database synchronization.

   Free plan Visit site
5. 5 O

   OHRisk

   Free plan LinuxMacWindows

   Local license-risk checks in pull-request workflows — Ohrisk evaluates dependencies under SaaS or distributed-app profiles and integrates with GitHub Actions instead of syncing databases.

   Free plan Visit site
6. 6 O

   OSS Review Toolkit

   Free plan LinuxMacSelf-hosted+1

   FOSS policy automation across dependency pipelines — ORT analyzes dependencies, scans licenses, retrieves advisories, evaluates policies, and reports results rather than capturing database changes.

   Open source Visit site
7. 7 O

   OSSKB

   Free plan APILinuxMac+1

   Identifying open-source code at snippet level — OSSKB matches source-code fingerprints to identify open-source software and compliance metadata, rather than synchronizing data sources.

   Free plan Visit site
8. 8 T

   TiCDC

   Free plan Open source APILinuxMac+1
   8.5 Open source Visit site
9. 9 C

   Canal

   Free plan APILinuxMac+1
   7.7 Free plan Visit site
10. 10 D

    Debezium

    Free plan APILinuxSelf-hosted+1
    7.6 Open source Visit site
11. 11 D

    dbmazz

    Free plan LinuxMacSelf-hosted
    7.5 Free plan Visit site
12. 12 E

    Estuary

    Free plan APILinuxMac+3
    7.5 Free plan · paid from $100/mo · 30-day trial Visit site
13. 13

    Decodable

    Free plan APISelf-hostedWeb
    7.4 Free plan · paid from $0.12 Visit site
14. 14

    Google Cloud Datastream

    Free plan APIWeb
    7.2 Free plan Visit site
15. 15 L

    LinkedIn Databus

    Free plan APISelf-hostedWeb
    7.2 Free plan Visit site
16. 16

    PeerDB

    Free plan APISelf-hostedWeb
    7.1 Free plan · paid from $250/mo Visit site
17. 17 M

    Maxwell's Daemon

    Free plan LinuxSelf-hosted
    7.0 Open source Visit site
18. 18 O

    OpenLogReplicator

    Free plan LinuxSelf-hosted
    7.0 Free plan Visit site
19. 19 P

    pgstream

    Free plan LinuxMacSelf-hosted
    7.0 Open source Visit site
20. 20 S

    Sequin

    Free plan APILinuxSelf-hosted+1
    7.0 Open source Visit site
21. 21

    Striim

    by Striim

    Free plan APISelf-hostedWeb
    6.8 Free plan Visit site
22. 22

    Oracle GoldenGate

    Free plan LinuxWeb
    6.4 Free plan · paid from $1.34 Visit site
23. 23 S

    SAP Extended Enterprise Content Management by OpenText

    by SAP Extended Enterprise Content Management by OpenText

    Paid AndroidiPhoneLinux+4
    5.5 Pricing on request Visit site
24. 24 T

    Tantor Low-Code CDC

    Paid Self-hostedWeb
    4.7 Pricing on request Visit site
25. 25 I

    IRI Ripcurrent

    Paid LinuxWindows
    4.6 Pricing on request Visit site
26. 26 I

    IBM CDC Replication

    Paid LinuxWindows
    4.4 Visit site
27. 27 P

    Precisely Connect

    Paid LinuxWindows
    4.4 Pricing on request Visit site
28. 28 Q

    Quest SharePlex

    Paid LinuxWindows
    4.3 Pricing on request Visit site
29. 29 S

    SAP Integration Suite, API Management

    by SAP

    Paid
    4.2 Visit site

That focus is useful for data movement, but it is not a license-compliance or software-risk toolkit. Readers seeking alternatives may instead need dependency license scans, SBOMs, vulnerability findings, policy checks, or evidence for regulatory workflows. The options below generally trade database capture and synchronization for those software supply-chain tasks; DeepFilterNet is a different category altogether, for speech enhancement. Consider which inputs and outputs your workflow requires, whether local or CI use matters, and what deployment and platform constraints apply before switching.

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