correspSearch is a web service for searching scholarly editions of letters, including by sender, recipient, location, date, and full text. It aggregates files in the Correspondence Metadata Interchange Format and offers filter options, visualizations such as bar charts, maps, and networks, an API, and the csLink widget for linking letters across editions.
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Open source web crawler built for extracting clean website data for AI and LLM workflows.
A page from the Fake Name Generator that checks a credit card number's network, length and Luhn check digit. It explains the Luhn check step by step and offers sample made-up numbers for testing forms. The page notes the sample numbers are not accounts and are declined by payment gateways.
Devina.io is an online development toolkit offering advanced tools for developers, designers and content editors. It lists 78 tools grouped into categories such as general, data, media, networking and website utilities, including a text diff viewer, JSON viewer and PDF transformer. The PDF transformer is a QPDF GUI for content-preserving transformations including linearization and encryption.
emel is a simple and functional machine learning library built for the Erlang ecosystem and implemented in Gleam. It turns data into functions and supports installing through rebar.config, mix.exs or gleam add. Implemented algorithms include linear regression, k nearest neighbors, decision tree, naive Bayes, k means, perceptron, logistic regression and neural network, along with mathematics, algebra, geometry and statistics.
Search an online collection of books, documents, media and archival records.
European Alternatives is a directory that helps users find European alternatives for digital services and products, such as cloud services and SaaS products. It lists alternatives across categories including web analytics, cloud computing platforms, content delivery networks, email providers, VPS hosters and search engines. It explains benefits such as supporting local businesses, data protection, VAT billing and similar legal requirements within the EU.
A database of IP addresses that have been part of the Tor network. It answers the question whether there was a Tor relay running on a given IP address
Filen is a cloud storage service built around zero-knowledge end-to-end encryption, with client-side encrypted storage for individuals. It offers features for syncing, sharing and organizing data, including a network drive and Smart Sync. Paid plans range from 200 GiB to 10 TiB of storage; a free tier starts with 10 GiB of space.
Heritrix is a web archiving or scraping tool for saving pages, data, or online content.
HWiNFO is a free system information, monitoring and diagnostics tool for Windows and DOS. It provides in-depth hardware information, real-time system monitoring and extensive reporting, and the publisher states it does not collect personal information or transmit data over the network.
This repository provides a hyperparameter optimization implementation for machine learning algorithms, accompanying a paper on hyperparameter optimization theory and practice. It includes sample code for regression and classification problems using the Boston-Housing and MNIST datasets, covering algorithms such as random forest, SVM, KNN and artificial neural networks.
IDChain Explorer is a BlockScout-based block explorer for the IDChain network. It provides analytics data, an API and smart contract tools, and displays blocks, transactions, price, market cap, average block time, total transactions, total blocks and wallet addresses. API documentation covers Etherscan-compatible and Ethereum JSON-RPC endpoints.
iNaturalist is a free, nonprofit social network for naturalists where users record observations of plants, animals, and fungi, share them with friends and researchers, and get identification suggestions confirmed by a global community. Observations become open data used by scientists and conservationists.
DB-IP provides an IP geolocation API and database covering IPv4 and IPv6 address spaces, with data on locations and network intelligence. It lists uses including location-aware content, traffic surveys and risk analysis. A free download is offered.
The U.S. ISSN Center, part of the international ISSN Network, assigns International Standard Serial Numbers to serials published in the United States, including journals, magazines, newsletters, newspapers and annuals in print or online. Each medium version receives a separate ISSN. The center offers an ISSN Uplink account for submitting applications online and tracking progress.
A beginner-friendly guide on using Keras to implement a simple neural network in Python. It walks through MNIST handwritten digit classification, covering setup, data preparation, building the model, compiling, training, testing and using the model. It is intended for complete beginners to Keras who have a basic background knowledge of neural networks.
LAION, the Large-scale Artificial Intelligence Open Network, is a non-profit organization that provides datasets, tools and models to support open machine learning research. Its offerings include the LAION-400M dataset of 400 million English image-text pairs, LAION-5B of 5.85 billion multilingual CLIP-filtered pairs, and the CLIP H/14 vision transformer model.
Libre Hardware Monitor is free software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer. It includes a Windows Forms application presenting data in a graphical interface and a library for use in other applications. It reads information from motherboards, processors, graphics cards, storage drives and network cards. Some sensors require administrator privileges.
Limitless is a Pokémon TCG resource aiming to provide content and information for competitive Pokémon players. It lists recent and upcoming tournaments, City Leagues, decklists and top decks with usage percentages, plus posts. It also covers the Limitless Network Tournament Platform and databases for One Piece and Pokémon Pocket.
Little Ball of Fur is a graph sampling extension library for Python and a graph sampling extension library for NetworKit and NetworkX. It consists of methods that can sample from graph structured data, covering vertex, edge, and exploration sampling techniques with a unified application public interface.
A repository of material for the exercise classes of a Big Data Analytics master course. Hands-on sessions cover Spark and its machine learning library, Map/Reduce implementations of linear regression and alternating least squares, streaming analytics with Recursive Least Squares, and image classification with convolutional neural networks. Material is provided as Jupyter notebooks.
MarkdownDown is a web archiving or scraping tool for saving pages, data, or online content.
MD2PDF is an offline web application that converts Markdown files to PDF format without requiring network requests. Users can select, edit, and transform Markdown content locally in their browser, with no data uploaded to external servers.