🦔 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.

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• Updated Nov 12, 2026
• Python

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

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• Updated Nov 6, 2026

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

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• Updated Nov 12, 2026
• Python

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

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• Updated Nov 12, 2026
• Go

Postgres-native columnar storage extension

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• Updated Feb 10, 2025
• C

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.

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• Updated Nov 5, 2026
• HTML

2019新型冠状病毒疫情时间序列数据仓库 | COVID-19/2019-nCoV Infection Time Series Data Warehouse

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• Updated Jun 1, 2025
• Python

Few projects related to Data Engineering including Data Modeling, Infrastructure setup on cloud, Data Warehousing and Data Lake development.

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• Updated Aug 26, 2022
• Python

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

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• Updated Nov 11, 2026
• Ruby

[NOT MAINTAINED] Light-weight Python OLAP framework for multi-dimensional data analysis

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• Updated Apr 29, 2022
• Python

TensorBase is a new big data warehousing with modern efforts.

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• Updated May 10, 2022
• Rust

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

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• Updated Nov 12, 2026
• C

Open source SQL Query Assistant service for Databases/Warehouses

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• Updated Nov 11, 2026
• JavaScript

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

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• Updated Jul 3, 2026
• Jupyter Notebook

Scratch is a swiss army knife for big data.

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• Updated Jul 19, 2024
• Go

Build a data warehouse in SQL Server from two source systems, a CRM and an ERP, through bronze, silver and gold. The files and scripts of the free full project.

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• Updated Nov 6, 2026
• TSQL

Personal Data Engineering Projects

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• Updated Feb 8, 2023
• Jupyter Notebook

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

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• Updated Nov 12, 2026
• Java

Data API Framework for AI Agents and Data Apps

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• Updated Jul 1, 2024
• TypeScript

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

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• Updated Jun 8, 2024
• Go