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Show HN: An interactive 3D voxel map of Warsaw's city centre, built as a web-based visualization of the city in blocky voxel style.
Recommended an open-source project, jiangshan-map (Jiangshan Chronology), which brings over 2,400 years and 18 historical periods of Chinese history into a single interactive map. It supports dragging a timeline to view territorial evolution, and clicking on ancient cities and passes to see their names through the ages and related major events. Great for learning history.
Planet-X 是一款可交互的 3D 地球产品，用户可旋转地球、收听各国直播电台、探索地球另一端，并为逝去的亲友、宠物或偶像点亮一盏灯。免费使用且无需注册账号。
An interactive map visualizing all 384,000 farm fields in California, allowing users to zoom into individual fields and see what crop is being grown, inspired by the Snapchat map.
An interactive web map that visualizes 37,500 hand-drawn borders from people's memory, overlaid on real geographic outlines.
The author has built Global Fail Map, an open-source interactive tool documenting historical failures in science, technology, and business to serve as a research layer for AI agents and developers.
The article features an interactive world map that visualizes the diverse stories and narratives from cultures around the globe, promoting cultural exploration through digital technology.
An interactive animated map that morphs between Mercator and Equal Earth projections using a slider or play button, built with D3 to demonstrate how different map representations preserve geographic properties.
Reactor Atlas is an interactive map and database that catalogs all nuclear reactors on Earth since 1954, featuring technical records, animated explanations, and real-time monitoring of outages and events.
Reactor Atlas is an interactive nuclear reactor map and intelligence layer that aggregates fragmented data and provides alerts for decision-making in the nuclear industry, developed using AI tools like Claude.
Movie Scene Map is a free interactive tool that displays over 15,000 real filming locations for films, series, games, anime, and manga across 166 countries, allowing users to explore where productions were shot.
An interactive digital map for the Warhammer 40,000 universe, providing access to cartographic records through an online interface.
Flare is a graph-first IDE and interactive map designed for agentic coding, aiming to streamline development workflows.
An interactive map that visualizes ancestry data from the census, offering insights into American heritage.
An interactive web simulator of the Dutch railway network, showing stations, routes, and schedules.
World Train Map is an interactive atlas of 1,247 notable train routes across 120 countries, recently renamed from TrainRouter. It offers route facts, statistics, and an open dataset.
An open-source interactive map designed to help users explore the total solar eclipse on Aug 12, providing visualization of the eclipse path and related data.
A developer recreated Google Maps' 3D mode in 1.5 hours using Kimi K3 with just two prompts, producing an interactive 3D world map with extruded buildings, dynamic shadows, and smooth navigation.
A Dutch engineer rebuilt the Roman Empire's road network as an interactive online tool, OmnesViae, allowing users to plot ancient routes and estimate travel times on foot or horseback. The project uses historical maps and open data, with recent updates incorporating AI support.
This website provides a free interactive global power grid map, containing data on 120,000+ power plants, 2.7 million transmission lines, etc., revealing information about energy infrastructure.