data-warehouse

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

A curated list of awesome big data frameworks, ressources and other awesomeness.

data load tool (dlt) is an open source Python library that makes data loading easy 🛠️

Privacy and Security focused Segment-alternative, in Golang and React

Postgres-native columnar storage extension

The dbt-native data observability solution for data & analytics engineers. Monitor your data pipelines in minutes. Available as self-hosted or cloud service with premium features.

🔥🔥🔥 Open source Reverse ETL - alternative to hightouch and census.

Open-source Snowflake & Fivetran alternative, with Postgres compatibility.

Open source SQL Query Assistant service for Databases/Warehouses

One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.

Useful scripts, udfs, views, and other utilities for migration and data warehouse operations in BigQuery.

Scratch is a swiss army knife for big data.

A comprehensive guide to building a modern data warehouse with SQL Server, including ETL processes, data modeling, and analytics.

An efficient storage and compute engine for both on-prem and cloud-native data analytics.

Data API Framework for AI Agents and Data Apps

Optimus is an easy-to-use, reliable, and performant workflow orchestrator for data transformation, data modeling, pipelines, and data quality management.

Supercharge BigQuery with BigFunctions

Open, SQL-native time-series database for telemetry you need to keep. 34M+ records/sec ingestion, 8M+ rows/sec queries. InfluxDB Line Protocol and Telegraf compatible. Open Parquet on your storage. Single binary. S3/Azure native. Air-gap ready. AGPL-3.0.

A curated list of open source tools used in analytics platforms and data engineering ecosystem

DomainMOD is an open source application written in PHP & MySQL used to manage your domains and other internet assets in a central location. DomainMOD also includes a Data Warehouse framework that allows you to import your web server data so that you can view, export, and report on your live data.