Tool for reverse engineering Android APK files.

Dex to Java decompiler for Android applications.

Pentest reporting and collaboration platform.

Open-source collaboration and reporting platform for security teams.

Collaborative penetration test and vulnerability management platform.

Web application for continuous reconnaissance.

Public disclosure of resolved security vulnerabilities.

Collection of bug bounty writeup resources.

Curated list of bug bounty resources.

Community forum for bug bounty hunters.

Web security research and techniques.

Free class for web security by HackerOne.

Posts with geotags from five social networks at once on one map (Twitter, YouTube, Instagram, Flickr, Vkontakte)

search geotagged photos from VK.com

view YouTube geottaged video on map

displays only Flickr photos distributed under a Creative Commons license (250 of the latest for each location)

geottaged photo from Instagram with #cat hashtag

Explore most popular #Twitter trends, hashtags and users on the worldmap

View historical photos taken at a particular location on a map.

Worldwide map of geotagged Wikipedia Creative Commons Images. To display more information, log in with your Media Wiki account.

Click on a point on the map to get a list of landscapes by famous artists depicting the area.

Worldwide map of geolocated Wikipedia articles. It's possible to enter the name of a locality to see articles about local streets or attractions.

Enter geographic coordinates, language, and get a list of Wikipedia articles about streets, towns, stations and other notable places nearby.

get a list of links to Facebook/Instagram locations linked to geographic coordinates

map for exploring some geologic maps and articles from the NGMDB (National Geologic Map Database).

World's Air Pollution: Real-time Air Quality Index map

click on a point on the map and get the data on the current fishing effort at that location.

Natural Hazards Viewer (worldwide)

lightning strikes in real time and also data on thunderstorms that ended months or years ago

showing the degree of light pollution in different countries. It's possible to see the data over time (since 2013)

Interactive map of open waters, mangroves, swamps, fens, riverines, floodswamps, marshs, wet meadows and floodplains (unfortunately, there are not all countries in the world)

Click on a shark on the world map and find out its name, size and travel log.

Map of points where there is a risk of significant sea level rise in the event of melting glaciers.

when you click on a freshwater body of water, its detailed map opens, on which the depth at different points is marked

mineral maps for different countries

collection of weather map (wind, rain, temperature, air pressure, humidity, waves etc)

shows where it is raining on the map. You can enable notification of approaching rain (in the browser and in the mobile app)

click on the hurricane on the map and get detailed information about it

Weather stats data

worldwide detailed interactive bathymetry map

finding the shortest path between two points

3D representation of Earth based primarily on satellite imagery

Map of the world showing the mountains (with absolute and relative altitude and links to Peakbagger, Listsofjohn and Caltopo).

Online map with the most detailed information on Europe's rivers (mostly central for the time being, but the data is being updated): direction and speed, water temperature, depth,

Enter the name of an animal, bird or plant to see a map of where it has been spotted.

Enter location and assess the risk of flooding, earthquakes and hail in this place on the map.

Click on any point on the map and trace the path that a drop of rainwater takes from current location to the world's oceans.