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beeldengeluid.nl
The Netherlands Institute for Sound and Vision is an audiovisual archive and media museum in Hilversum. Its online Schatkamer gives free access to more than 700,000 radio and TV programmes. The institute conducts research on media culture and audiovisual archiving, working with scientists and heritage professionals in national and international networks.
algebraicphylogenetics.org
A database of algebraic invariants of small phylogenetic trees and networks. It covers evolutionary models including Cavender-Felsenstein-Neyman, Jukes-Cantor, and Kimura 2- and 3-parameter, with entries for degree, dimension, coordinates, and ML and ED degrees. Downloads are offered as LaTeX, SmallPhylogeneticModel and SmallGroupBasedModel files. The site identifies itself as database version 0.3 of April 30, 2026.
vaults.fyi
Vaults.fyi is a DeFi yield API offering market data, transaction calldata and portfolio tracking across 80+ protocols and over 1,000 vaults on 20+ networks. Data is indexed from onchain contract state and uses one schema across protocols, with base, reward and total yield broken out per vault. It targets wallets, stablecoin apps, protocols, researchers and AI agents.
aware-online.com
Aware-Online provides a free collection of custom Open Source Intelligence (OSINT) scripts and links to third-party OSINT tools, alongside tutorials, to support effective internet and social media investigations. The provider does not actively monitor information entered into its scripts.
codecademy.com
Codecademy's Data Scientist: Machine Learning Specialist Career Path is a beginner-level course covering Python 3, SQL, pandas, scikit-learn, Matplotlib, and TensorFlow. The path is listed as taking 95 hours on average and includes 59 projects with no prerequisites, and is described as teaching analysis of data, drawing predictions with machine learning, and building neural networks.
datanodes.to
DataNodes is a file hosting service for hosting files of any size and sharing one permanent link per file. It serves downloads from a global network and targets website owners and webmasters. Accounts include no file size limit under Premium, while free uploads stay online as long as downloaded once every 7 days. A desktop app handles multi-file downloads.
projectcsv.github.io
Project CSV is a free, open-source web application for viewing and editing .csv files in a browser or offline. It processes file data locally on the user's device without sending it over the network or collecting other data. The application allows selecting .csv files, adjusting settings, generating editable tables, and downloading the edited table.
80legs.com
80legs offers customizable web scraping, including custom web crawling run on a cloud-enabled platform and a Giant Web Crawl product that pulls custom data from a crawl of the entire web. It also points to Datafiniti for instant access to web data.
blockchain.com
Blockchain Charts presents statistics and indicators for the bitcoin blockchain, including market price, blockchain size, mining information and network activity, along with popular stats and cycle indicators such as the 200 week moving average heatmap.
coinwarz.com
CoinWarz provides Proof-of-Work mining profitability calculations for Bitcoin, Zcash, Monero, Litecoin and other coins, with live prices, network difficulty and hashrate charts. It also ranks ASIC miners by Profit per Watt and offers Litecoin+Dogecoin merge-mining calculators.
Bibliographic database for finding publications, citations and scholarly records.
gbif.org
GBIF is the Global Biodiversity Information Facility, an international network and data infrastructure funded by the world's governments. It aims to provide anyone, anywhere, open access to data about all types of life on Earth.
cse.unr.edu
Personal page of Hakan Kardes, a principal scientist whose listed research interests include big data, record linkage, data mining, graph theory, social networks and Internet measurements. The page lists publications on topics such as connected component computation in MapReduce, address parsing and organization entity resolution.
l2beat.com
L2BEAT tracks specialized crypto metrics such as networks, unlocks, staking, or tokenized assets.
opencellid.org
OpenCelliD is a community-built open database of cell towers and their estimated locations. Contributors record nearby cell identifiers with GPS locations, and the data is processed into cell location estimates. The dataset covers GSM, CDMA, UMTS, LTE and 5G NR networks and is available through an API and CSV downloads, supporting device geolocation without GPS.
orangedatamining.com
Orange is an open-source machine learning and data visualization toolbox. It offers visual programming in which widgets are placed on a canvas and connected to load datasets and analyze data. It supports interactive visualization methods including box plots, scatter plots, decision trees, hierarchical clustering, heatmaps, MDS, t-SNE and linear projections. Extensions add text mining, network analysis and other specialized capabilities.
rwa.xyz
RWA.xyz tracks specialized crypto metrics such as networks, unlocks, staking, or tokenized assets.
tokenomist.ai
TokenUnlocks tracks specialized crypto metrics such as networks, unlocks, staking, or tokenized assets.
radiocells.org
Radio cell database for mapping mobile network cells, radio coverage, and related infrastructure.
2qr.info
2QR is a free online QR code generator that creates QR codes for URLs, Wi-Fi networks, vCards, text, and other data types. The tool operates entirely in the user's browser with no tracking, and provides a bookmarklet for one-click URL QR code generation.
awesome-go.com
A community-driven curated list of Go frameworks, libraries and software, inspired by awesome-python. Its contents index categories including actor models, artificial intelligence, authentication, blockchain, build automation, command line tools, databases, distributed systems, game development, networking, testing and web frameworks, with contribution guidelines for suggesting changes.
astrosp.github.io
Awesome OSINT For Everything is an OSINT resource for online investigations, research links, search methods, and public data tools.
aws.amazon.com
An AWS program offering students and educators no-cost access to cloud computing skills training developed by AWS experts, plus career pathways for students. It provides a library of free, self-paced online training and hands-on labs covering storage, compute, networking, databases and cloud operations. Learners as young as 13 can register with an email address, and learners 18 and older can access a job board.