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Label Studio is a multi-type data labeling and annotation tool with standardized output format

🤗 The largest hub of ready-to-use datasets for AI models with fast, easy-to-use and efficient data manipulation tools

AKShare is an elegant and simple financial data interface library for Python, built for human beings! 开源财经数据接口库

Cleanlab's open-source library is the standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.

An open source multi-tool for exploring and publishing data

Open source annotation tool for machine learning practitioners.

AI Observability & Evaluation

TorchGeo: datasets, samplers, transforms, and pre-trained models for geospatial data

⚡FlashRAG: A Python Toolkit for Efficient RAG Research (WWW2025 Resource)

The platform for LLM evaluations and AI agent testing

Colour Science for Python

A repository that contains models, datasets, and fine-tuning techniques for DB-GPT, with the purpose of enhancing model performance in Text-to-SQL

In-memory tabular data in Julia

Safe RLHF: Constrained Value Alignment via Safe Reinforcement Learning from Human Feedback

An open source DevOps tool from the CNCF for packaging and versioning AI/ML models, datasets, code, and configuration into an OCI Artifact.

Cleora AI is a general-purpose open-source model for efficient, scalable learning of stable and inductive entity embeddings for heterogeneous relational data. Created by Synerise.com team.

Datasets & Analyses for Formula 1 World Championship

source{d} datasets ("big code") for source code analysis and machine learning on source code

The easiest way to use Machine Learning. Mix and match underlying ML libraries and data set sources. Generate new datasets or modify existing ones with ease.

Transitland v1 core components. Deprecated. See Transitland v2.

A curated list of awesome Wikipedia-related frameworks, libraries, software, datasets and references.

Get meaningful OHLCV datasets

Disability demographics, web accessibility compliance, assistive technology usage, and related data

Saudi Real Estate Open Data: 4.93M transactions from MOJ & REGA (2018-2025). Sales, mortgages, seizures, rentals across 13 regions.