Pianos.pub is a community map that catalogs street and public pianos worldwide. It lists exact locations, photos, sightings and availability reports, and combines public datasets, historic social posts, personal knowledge and user contributions. Every piano keeps a history of sightings, comments and availability reports, and users can submit missing instruments.
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PlainOldRecipe helps browse archived websites, old web collections, or preserved digital history.
Vehicle auction and history lookup site for checking cars, VINs, photos, and sale records.
Portfolio Performance is an open source tool for calculating the overall performance of an investment portfolio across all accounts, using True-Time Weighted Return or Internal Rate of Return. It records the full history of transactions and loads historical prices from various sources. Data is stored in XML and can be exported as CSV or JSON.
prometheus is a distributed digital image archive that makes over 135 databases from institutes, research facilities and museums searchable through a common user interface, with more than 4,176,000 records from art, culture and history. It is situated at the Institute of Art History of the University of Cologne and supported by the non-profit association prometheus e.V.
Investigates Reddit accounts by analyzing comments, posts, timing, subreddits, and account history.
Browse research datasets and image related to history.
Find and access history research data, with indexed image.
Browse research datasets and datasets related to art history, music, theatre and media studies.
Search history data collections and supporting datasets from ESP.
Research data portal for exploring history records, including survey data.
Rotki is an open source, local-first crypto portfolio tracker, accounting and tax tool. It connects exchanges, wallets and DeFi positions, decodes on-chain history and produces profit and loss reports. Data is stored encrypted on the user's own device, and exchanges connect through read-only API keys. It runs on Windows, macOS, Linux and Docker.
Find and access history research data, with indexed image.
Searchable repository for finding art history datasets and image.
Smithsonian Magazine is a publication that covers science, history, art, popular culture and innovation through the lens of the Smithsonian Institution. Its website features daily articles, news items and longer features across those topics. The magazine maintains a staff of editors and researchers, and its articles are written on a freelance basis.
This Smithsonian National Museum of Natural History page provides search access to museum collection records. It also links to sections on exhibits, research, education, events, about, and joining the museum.
A Python script for parsing your chat history and visualizing your location history on Snapchat
Sprout is an interactive anime recommendation engine that uses a machine learning model to generate tailored recommendations based on watch history and ratings from MyAnimeList or AniList profiles. It also provides stats and visualizations of personal watch history and preferences, plus the Atlas Visualization. Sprout is fully open source.
The Staatliche Naturwissenschaftliche Sammlungen Bayerns is a German natural history institution with about 31 million inventory units, described as Germany's second-largest natural history collection. Its collections span anthropology, paleoanatomy, botany, mineralogy, paleontology, geology and zoology, and are used in research, teaching, training and exhibitions in its museums.
Sufficient Velocity is an online forum that hosts communities for original fiction, fanfiction, art, and lifestyle discussion. It includes sub-forums for creative writing, roleplaying, grand strategy games, and alternate history. The site provides a dice roller tool and a Gather Dice feature to assist quest masters in managing dice rolls. Users can also access tutorials, news, and special events. The forum contains thousands of threads and millions of messages across its sections.
Click the Red Button is a random website generator. Users press a single button to access one of more than 470 hand-picked curated sites, including browser games, interactive art, and the internet’s stranger corners. No account or installation is required to use the service. Favorited sites are saved to the user’s browser, and browsing history is retained to help users revisit previously accessed sites. The site's catalogue is regularly checked to remove broken or inactive links.
The Saturday Evening Post is a magazine site featuring movie reviews, humor cartoons, environment columns, vintage ads, and history and music articles. It also publishes a weekly newsletter and offers a history video series.
Dataset repository covering art history, music, theatre and media studies, with searchable datasets.
Timelinize is an open source personal archival suite for modern family history. It organizes data such as photos, videos, text messages, locations, chats and social media onto a single unified timeline on the user's own computer. The user guide notes that Timelinize is unfinished software and that new versions may not be backwards-compatible.