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

Faker is a Python package that generates fake data for you.

Computer Vision Annotation Tool (CVAT) is a leading platform for building high-quality visual datasets for vision AI. It offers open-source, cloud, and enterprise products, as well as labeling services, for image, video, and 3D annotation with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

Open source annotation tool for machine learning practitioners.

Models, data loaders and abstractions for language processing, powered by PyTorch

FMA: A Dataset For Music Analysis

Colour Science for Python

A Data Streaming Library for Efficient Neural Network Training

Human ChatGPT Comparison Corpus (HC3), Detectors, and more! 🔥

World’s single largest Internet domains dataset

⚽️ Extract, prepare and publish Transfermarkt datasets.

Digital Elevation model library in C#. 3D terrain models, line/point Elevations, intervisibility reports

Open-source benchmark for browser AI agents on 153 everyday online tasks across 144 live websites. 5-layer recording + DOM-match + LLM judge. Top score 33.3%.

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

Collection Data for Cooper Hewitt, Smithsonian Design Museum

The Turing Change Point Dataset - A collection of time series for the evaluation and development of change point detection algorithms

The first realistic and public dataset with rare undesirable real events in oil wells.

Proton Exchange Membrane (PEM) Fuel Cell Dataset

COVID-19 datasets are constructed entirely from primary (government and public agency) sources

[NeurIPS'25 D&B] Mind2Web-2 Benchmark: Evaluating Agentic Search with Agent-as-a-Judge

Lemons quality control dataset

Cube++ is a novel dataset collected for illumination estimation problem. It has 4890 raw 18-megapixel images, each containing a SpyderCube color target in their scenes, manually labelled categories, and ground truth illumination chromaticities.

Here, the most popular Electric Load Forecasting datasets are collected centrally. Feel free to support this work. 🔥

Single DBFC Dataset

Training images for geostastical simulation

Static ETF database in various formats

A Moroccan Buildings’ Electricity Consumption Dataset. MORED is made available by TICLab of the International University of Rabat (UIR), and the data collection was carried out as part of PVBuild research project, coordinated by Prof. Mounir Ghogho and funded by the United States Agency for International Development (USAID).

Data from the caption contest.

354K mysterious phenomena worldwide - UFOs, caves, megaliths, ghost towns, meteorites, earthquakes, volcanoes, bigfoot, haunted places

US drinking water quality data by ZIP code — EPA violations, lead/copper levels, PFAS, radon, flood risk, and Home Safety Scores for 41,000+ ZIPs. 20 federal/state sources. Updated daily. CC BY 4.0.