compare
OLake vs PeerDB
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | OLake | PeerDB |
|---|---|---|
| Language | Go | Go |
| Licence | Apache-2.0 | AGPL-3.0 |
| Stars | 1.5k | 3.3k |
| Latest | v0.11.3 | v0.37.11 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 4 days between releases | about 7 days between releases |
| Active contributors | 18 commit authors on the default branch in the last 90 days | 18 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Fivetran. Alternatives to Fivetran →
PartialOLakeReplicates databases and Kafka into Apache Iceberg tables; few SaaS sources.
PartialPeerDBCDC replication from PostgreSQL into ClickHouse, Snowflake, BigQuery and queues; PostgreSQL sources only.
OLake
- v0.11.32026-10-05fix(iceberg): bump jackson to 2.22.3 and ignore parquet's shaded copy
- v0.11.22026-09-30feat(discover): tiered schema sampling with partial results on timeout
- v0.11.12026-09-29fix(ci): read AI review settings from secrets, rename environment to ai-code-review
- v0.11.02026-09-25feat: source type in telemetry sync completed event and more config conditions
- v0.10.12026-09-09feat: optional schema discovery and stream validation during sync
PeerDB
- v0.37.112026-10-06feat(cloudsql): support GCP Cloud SQL IAM auth through the Cloud SQL connector (#4881) @dtunikov, @claude, @jkaflik
- v0.37.102026-09-24fix(deps): update gomod dependencies by @renovate[bot] in
- v0.37.92026-09-22fix(bigquery): enable storage read api for appends/changes methods (#4824) @dtunikov, @claude
- v0.37.82026-09-21
- v0.37.72026-09-10bq: rename replication mode to method (#4785) @dtunikov
OLake
✓ signed The latest release, v0.11.3, carries a signature GitHub verified.
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PeerDB
✓ signed The latest release, v0.37.11, carries a signature GitHub verified.
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