Open source extract projects
Every project in the registry tagged extract, ranked by real GitHub adoption.
data load tool (dlt) is an open source Python library that makes data loading easy 🛠️
Sling is a CLI tool that extracts data from a source storage/database and loads it in a target storage/database.
Mass processing data with a complete ETL for .net developers
Frequently asked questions
How many open source extract projects are there?
This registry tracks 3 projects tagged extract, with 7,586 GitHub stars between them. The most-adopted is dlt at 5,871 stars.
Are these extract projects free to use?
Yes — 3 of the 3 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which extract project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these extract projects still maintained?
3 of the 3 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.