Best Change Data Capture Software in 2026
Updated
In short: Apache Flink CDC is ranked #1 of 20 as of 4 October 2026, ahead of Canal and pgstream. The best-ranked option with a free plan is Canal. The lowest first paid tier on this page is Decodable at $0.01/mo.
Change data capture software is designed to carry updates from source systems to destinations as data changes. Compared on capture method, source and destination connectors, and deployment model, the entries also show whether they support an initial snapshot and schema evolution. Free-plan availability and paid-from pricing help round out the comparison. Apache Flink CDC, Canal, and pgstream are among the options. Check whether the listed connectors cover the systems you need to link, and consider how each product handles initial loads and changes to data structure.
20 change data capture software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
13 of the 20 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | Apache Flink CDCWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.5 | |
| 2 | CanalMac · Linux · Self-hosted · API | Two bars | — | 2 of 6 | Free | 6.5 | |
| 3 | pgstreamMac · Linux · Self-hosted | Two bars | — | 2 of 6 | Free | 6.5 | |
| 4 | dbmazzMac · Linux · Self-hosted | Two bars | — | 2 of 6 | Free | 6.4 | |
| 5 | DecodableWeb · Self-hosted · API | Two bars | — | 1 of 6 | $0.01/mo | 6.4 | |
| 6 | EstuaryWeb · Self-hosted · API | Two bars | — | 1 of 6 | $0.50/mo | 6.4 | |
| 7 | PeerDBWeb · Self-hosted · API | Two bars | — | 1 of 6 | $250/mo | 6.4 | |
| 8 | StriimWeb · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 9 | TiCDCMac · Linux · Self-hosted · API | Two bars | — | 2 of 6 | Free | 6.4 | |
| 10 | Google Cloud DatastreamWeb · API | Two bars | — | 1 of 6 | $0.40/mo | 6.3 | |
| 11 | Maxwell's DaemonLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.3 | |
| 12 | OpenLogReplicatorLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.3 | |
| 13 | Oracle GoldenGateWeb · Linux | Two bars | — | 2 of 6 | $1.34/mo | 6.3 | |
| 14 | SequinWeb · Linux · Self-hosted · API | One bar | — | — | 2 of 6 | — | 5.4 |
| 15 | IRI DarkShieldWindows · Mac · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.2 |
| 16 | LinkedIn DatabusWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 17 | Precisely ConnectWindows · Linux | No signal | — | — | 2 of 6 | — | 5.1 |
| 18 | Precisely EnterWorksWeb · Windows · API | One bar | — | — | 2 of 6 | — | 5.1 |
| 19 | Tantor Low-Code CDCWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 20 | DebeziumWindows · Linux | No signal | — | — | 2 of 6 | — | 5.0 |
Compare all 20 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Deployment model | Capture method |
|---|---|---|---|---|---|---|---|---|
| 1 | Apache Flink CDC | 6.5 | Free plan | Free | — | — | self-hosted | log-based |
| 2 | Canal | 6.5 | Free plan | Free | — | — | self-hosted | log-based |
| 3 | pgstream | 6.5 | Free plan | Free | — | — | self-hosted | log-based |
| 4 | dbmazz | 6.4 | Free plan | Free | Yes | — | self-hosted | log-based |
| 5 | Decodable | 6.4 | Free plan | $0.01/mo | Yes | — | hybrid | log-based |
| 6 | Estuary | 6.4 | Free plan | $0.50/mo | Yes | 100 /mo | hybrid | log-based |
| 7 | PeerDB | 6.4 | Free plan | $250/mo | Yes | 250 /mo | — | — |
| 8 | Striim | 6.4 | Free plan | Free | Yes | — | — | — |
| 9 | TiCDC | 6.4 | Free plan | Free | — | — | self-hosted | log-based |
| 10 | Google Cloud Datastream | 6.3 | Free plan | $0.40/mo | Yes | — | — | — |
| 11 | Maxwell's Daemon | 6.3 | Free plan | Free | — | — | self-hosted | log-based |
| 12 | OpenLogReplicator | 6.3 | Free plan | Free | Yes | — | self-hosted | log-based |
| 13 | Oracle GoldenGate | 6.3 | Free plan | $1.34/mo | Yes | — | — | — |
| 14 | Sequin | 5.4 | No | — | — | — | self-hosted | log-based |
| 15 | IRI DarkShield | 5.2 | No | — | No | — | — | — |
| 16 | LinkedIn Databus | 5.2 | No | — | — | — | self-hosted | log-based |
| 17 | Precisely Connect | 5.1 | No | — | — | — | — | — |
| 18 | Precisely EnterWorks | 5.1 | No | — | — | — | — | — |
| 19 | Tantor Low-Code CDC | 5.1 | No | — | — | — | hybrid | log-based |
| 20 | Debezium | 5.0 | No | — | — | — | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which change data capture software is ranked first on Freedom251?
Apache Flink CDC is ranked #1 of 20 with a score of 6.5. Canal is second and pgstream third.
How many of these have a free plan?
13 of the 20 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Decodable has the lowest first paid tier we found: $0.01/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.