compare
dlt vs Sling
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | dlt | Sling |
|---|---|---|
| Language | Python | Go |
| Licence | Apache-2.0 | GPL-3.0 |
| Stars | 5.9k | 912 |
| Latest | 1.30.0 | v1.6.4 |
| Last push | 2026-10-06 | 2026-10-05 |
| Release cadence | about 15 days between releases | about 6 days between releases |
| Active contributors | 39 commit authors on the default branch in the last 90 days | 5 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Fivetran. Alternatives to Fivetran →
PartialdltA Python library for loading data into warehouses, with schema inference and incremental loads.
PartialSlingReplicates between databases, files and object storage from a CLI and YAML; far fewer SaaS sources.
dlt
- 1.30.02026-08-111. Failed load packages no longer auto-abort (#3557 @anuunchin) — auto_abort_on_terminal_error defaults to False. With…
- 1.29.12026-07-24Add instance requirement spec for jobs (#4262 @tetelio) — Jobs can now declare runner instance requirements via require…
- 1.29.02026-07-13ClickHouse staging-optimized replace strategy (#3927 @filipesilva) — ClickHouse now supports the staging-optimized repl…
- 1.28.22026-07-10This is a patch release that allows 1.28.x dlt to use future versions of dlthub-client
- 1.28.12026-06-191. Dropped Python 3.9 support (#4074 @Travior) — Python 3.9 reached end-of-life on 2025-10-31. dlt no longer tests agai…
Sling
- v1.6.42026-09-28New database connectors: Firebolt, OpenSearch, DynamoDB (scan, batch write and delete_missing), LanceDB (with the DuckD…
- v1.6.32026-09-13See for more details.
- v1.6.22026-09-09See for more details.
- v1.6.12026-09-08Build execution status sync: Platform status reporting for build runs and per-model progress (BuildStatus / BuildModelS…
- v1.6.02026-08-31See for more details.
dlt
✓ signed The latest release, 1.30.0, carries a signature GitHub verified.
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Sling
unsigned The latest release, v1.6.4, carries no signature GitHub could verify.
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