Here is a list of open source resources and learning platforms that I have recently found useful. Drop me a line if the links have died or you can suggest other useful tools.
Security and compliance tools#
CISO Assistant Community Edition
Data pipelines#
Airbyte - self-hosted and docker images available.
dbt - dbt Cloud has a free developer account to get you started and docker images are available if you want to run dbt Core.
Data catalogue and metadata tools#
Useful tools#
DuckDB - in-memory database to analyse files (parquet, csv, excel) using SQL