Best free, open-source datasets for data science and machine learning projects. Top government data including census, economic, financial, agricultural, image datasets, labeled and unlabeled, autonomous car datasets, and much more.

• NOAA -https://www.ncdc.noaa.gov/cdo-web/
• atmospheric, ocean
• Bureau of Labor Statistics -https://www.bls.gov/data/
• employment, inflation
• US Census Data -https://www.census.gov/data.html
• demographics, income, geo, time series
• Bureau of Economic Analysis -http://www.bea.gov/data/gdp/gross-dom...
• GDP, corporate profits, savings rates
• Federal Reserve -https://fred.stlouisfed.org/
• curency, interest rates, payroll
• Quandl - https://www.quandl.com/
• financial and economic

• UK Dataservice -https://www.ukdataservice.ac.uk
• Census data and much more
• WorldBank -https://datacatalog.worldbank.org
• census, demographics, geographic, health, income, GDP
• IMF -https://www.imf.org/en/Data
• economic, currency, finance, commodities, time series
• OpenData.go.ke
• Kenya govt data on agriculture, education, water, health, finance, …
• https://data.world/
• Open Data for Africa -http://dataportal.opendataforafrica.org/
• agriculture, energy, environment, industry, …
• Kaggle -https://www.kaggle.com/datasets
• A huge variety of different datasets
• Amazon Reviews -https://snap.stanford.edu/data/web-Am...
• 35M product reviews from 6.6M users
• GroupLens -https://grouplens.org/datasets/moviel...
• 20M movie ratings
• Yelp Reviews -https://www.yelp.com/dataset
• 6.7M reviews, pictures, businesses
• IMDB Reviews -http://ai.stanford.edu/~amaas/data/se...
• 25k Movie reviews
• Twitter Sentiment 140 -http://help.sentiment140.com/for-stud...
• 160k Tweets
• Airbnb -http://insideairbnb.com/get-the-data....
• A TON of data by geo
• UCI ML Datasets -http://mlr.cs.umass.edu/ml/
• iris, wine, abalone, heart disease, poker hands, ….
• Enron Email dataset -http://www.cs.cmu.edu/~enron/
• 500k emails from 150 people
• From 2001 energy scandal. See the movie: The Smartest Guys in the Room.
• Spambase -https://archive.ics.uci.edu/ml/datase...
• Emails
• Jeopardy Questions -https://www.reddit.com/r/datasets/com...
• 200k Questions and answers in json
• Gutenberg Ebooks -http://www.gutenberg.org/wiki/Gutenbe...
• Large collection of books

• ImageNet -http://image-net.org
• 14M images of objects
• Google -https://ai.googleblog.com/2016/09/int...
• 9M image URLs with labels
• Microsoft Coco -http://cocodataset.org
• 330k images, most labeled
• Labelled Faces in the Wild -http://vis-www.cs.umass.edu/lfw/
• 13k face images with names
• Stanford Dogs -http://vision.stanford.edu/aditya86/I...
• 120 dog breeds, 20k images

• Berkeley DeepDrive -https://bdd-data.berkeley.edu/
• Massive dataset including 100k videos with 1100 hours of hd driving
• Belgian Traffic Signs -http://www.vision.ee.ethz.ch/~timofte...
• 10k images
• Bosch Small Traffic Signals -https://hci.iwr.uni-heidelberg.de/nod...
• 5k training and 8k test images
• WPI Traffic Light, Pedestrian, Lane-Keeping -http://computing.wpi.edu/dataset.html
• 30GB of training and test data from Worcester, Mass
• UCSD Lisa -http://cvrr.ucsd.edu/LISA/datasets.html
• Vehicle detection, traffic signals