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High-performance AI pipeline engine with a C++ core and 50+ Python-extensible nodes. Build, debug, and scale LLM workflows with 13+ model providers, 8+ vector databases, and agent orchestration, all from your IDE. Includes VS Code extension, TypeScript/Python SDKs, and Docker deployment.

llm-tooling ai-agents developer-tools

openbq-org / OpenBB

Open Data Platform for analysts, quants and AI agents.

finance data-engineering api

duckdb / duckdb

DuckDB is a high-performance analytical database system

database data-engineering learning-resources

openbkn-ai / bkn-foundry

BKN Foundry is the Ontology back-end foundation of OpenBKN. It transforms ontology-driven business semantics into runtime services: data, logic, actions, security governance, and observability.

ai-agents backend api

seaweedfs / seaweedfs

SeaweedFS is a distributed storage system for object storage (S3), file systems, Iceberg table buckets, and Lance vector buckets, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

self-hosted data-engineering cloud

semantica-agi / semantica

Graph-Native Infrastructure for Context and Accountable AI Systems

llm-tooling ml-framework data-engineering

ModernRelay / omnigraph

Object-storage native graph database with branching and typed ontology

ai-agents mcp data-engineering

milvus-io / milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

llm-tooling data-engineering database

qiantongtech / qOntology

面向企业级知识工程的开源本体工程平台，以本体论与语义网标准为基础，聚焦企业本体治理与语义治理，连接知识图谱、企业运行本体与本体驱动 AI，构建统一、开放、可演进的企业语义基础设施。

data-engineering knowledge-graph self-hosted

tigerbeetle / tigerbeetle

The financial transactions database designed for mission critical safety and performance.

database backend data-engineering

guillaumeblanc / ozz-animation

Open source c++ skeletal animation library and toolset

game 3d graphics

freerouting / freerouting

Advanced PCB auto-router

cli desktop-app data-engineering

deepseek-ai / 3FS

A high-performance distributed file system designed to address the challenges of AI training and inference workloads.

backend databases data-engineering

CAPCOM-TD-OSS / REDox

High-performance, token-based structured data engine for .NET. A core component of REX, the technology behind CAPCOM's next-generation game engine.

data-engineering backend developer-tools

StarRocks / starrocks

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

data-engineering database analytics-olap

apache / iceberg

Apache Iceberg

database data-engineering

questdb / questdb

QuestDB is a high performance, open-source, time-series database

database data-engineering time-series-database

apache / seatunnel

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

data-engineering cloud

apache / cassandra

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

database backend data-engineering