n9.cl is a free URL shortener for shortening, customizing and sharing branded links, with QR code generation. On its site, entering a URL and clicking "Shorten" shortens the address; the service states that shortened URLs use HTTPS. It offers detailed analytics covering clicks and geographical data.
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nadeko.net is an independent privacy services provider run by a single person from Chile since 2021. It hosts more than 30 services, including alternative frontends for Reddit, Imgur, Fandom wiki pages, Pinterest and Pixiv, alongside a Vaultwarden server and other tools. The services are backed by donations at the time of the page.
Analyzes structured data and helps produce queries, insights or visualizations.
The source for financial, economic, and alternative datasets, serving investment professionals.
NCEI is a NOAA center that provides environmental data on historical weather, climate, ocean and magnetic field conditions. It maintains an archive of oceanic, atmospheric and geophysical data, archiving over 229 terabytes each month from over 130 observing platforms. NCEI is moving its data and applications to the cloud, which may cause temporary data access delays.
Nelly is a tool site that presents guild experiments, past client builds and experiment change logs, along with guild rollout views, guild and user information lookups, bot info and a check for domains in Discord's bad domains list. It also includes a FAQ and changelog and states it was inspired by distools.app.
The Network Repository is the first interactive network dataset repository, offering real-time interactive graph visualization and analytics for network datasets. It hosts a wide range of network datasets organized into categories including miscellaneous networks, cheminformatics, animal social networks, social networks, power networks, labeled networks, dynamic networks, technological networks, brain networks and other specialized network types.
Analyzes structured data and helps produce queries, insights or visualizations.
NeuronWriter helps plan, write, optimize, or analyze content for SEO and search visibility.
How a Social Scientist Jumps into the World of Big Data.
Nightwatch is an SEO rank tracking and AI visibility platform. It tracks rankings across 107,000+ locations and monitors citations in ChatGPT, Claude, Gemini and Perplexity. The tool combines search rank and AI citation data in one interface, with nightly refreshes. An agency version supports client management and white-label reports. Paid plans bill by keywords tracked with unlimited seats.
Ning is an online community building platform that enables users to create custom social networks. It offers tools for custom design, content management, social media integration, community management, and e-commerce monetization. The platform includes features such as blogs, forums, groups, events, and analytics, and provides a 14-day trial for new users.
Nivo is a library of React data visualization components built on top of D3 and React. It provides a range of dataviz components including chord diagrams, line charts, bar charts, pie charts, choropleth maps and other visualization types.
nlp-toolkit for node.js applies AI to data analysis, extraction, visualization, or business intelligence.
NonFungible Corporation is described as founded in 2018, providing NFT market analytics, consulting, reports, news, an academy and a glossary. The page presents its data and research as having been featured in media outlets and says it has worked with companies across industries.
numerical association rules applies AI to data analysis, extraction, visualization, or business intelligence.
NumPy is a Python library providing a multidimensional array object and routines for fast operations on arrays, including mathematical, logical, sorting, Fourier transforms, linear algebra and random simulation. It is open source under a BSD license and is described as the fundamental package for scientific computing in Python, with core code written in optimized C.
A data visualization by Chris Whong showing the activities of one random NYC yellow taxi on a single day in 2013, including where it operated and how much money it made. It uses taxi trip data provided by the Taxi and Limousine Commission via a FOIL request. Trip routes were produced with Google's Directions API and are not assumed accurate.
Occam's Razor applies AI to data analysis, extraction, visualization, or business intelligence.
Odoo offers a free, open-source website builder and CMS. The AI-powered configurator creates a website through steps including setting business type, selecting a color palette, uploading a logo and picking a theme. Pages are built with drag-and-drop blocks, and features include mobile responsiveness, translation, SEO tools and analytics.
The Open Energy Data Initiative (OEDI) is a searchable online software discovery platform and knowledge base developed by NLR and powered by OpenEI. It provides open access to energy data and information to support research, collaboration and transparency, with features including curated data lakes, solar systems integration data and analytics tools, and a siting lab.
ogimg.xyz helps manage meta tags, Open Graph data, and social sharing previews for websites.
OpaLingo is a free online Macedonian language course with interactive lessons, audio pronunciation, vocabulary games and Cyrillic alphabet training. It offers a structured learning path from alphabet to conversation, with progress saved locally. Optional Premium adds extra games, learning analytics and cosmetics.
OpenDataPhilly is a catalog of open data in the Philadelphia region. It is the official open data repository for the City of Philadelphia and also includes data sets from many organizations in the region. The catalog covers categories such as arts, culture and history, boundaries, budget and finance, economy, education, elections and politics, environment, food, health and human services, parks and recreation, planning and zoning, public safety, real estate and land records, and transportation.