Collaborative mapping

Wikimapia (stylized as wikimapia) is a geographic online encyclopedia project. The project implements an interactive clickable web map that utilizes Google Maps with a geographically referenced wiki system, with the aim to mark and describe all geographical objects in the world.

thumb|Worldwide density of GeoNames entries in 2006

British computer programmer

Minecraft megaproject

OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart. This chart is available on the OpenSeaMap website, and can also be downloaded for use as an electronic chart for offline applications.

Wikiloc is a website, launched in 2006, containing GPS trails and waypoints that members have uploaded. This mashup shows the routes in frames showing Google Maps (with the possibility to show the layers of World Relief Map (maps-for-free.com), OpenStreetMap, the related OpenCycleMap, USGS Imagery Topo Base Map and USGS Topo Base Map). The service is also available in Google Earth. There are mobile apps for Android and iPhone. The product has more than 11M members, is offered in many languages and has more than 37.9M tracks of dozens of activities (hiking, cycling, sailing, horseback riding, d

Neogeography (literally "new geography") is the use of geographical techniques and tools for personal and community activities or by a non-expert group of users. Application domains of neogeography are typically not formal or analytical.

type of social networking in which geographic services and capabilities are used to enable additional social dynamics

aggregation of web maps and user-generated content, from a group of individuals or entities, and can take several distinct forms

Geo-Wiki is a platform for engaging citizens and experts in both environmental and socioeconomic monitoring, established in 2009 at the International Institute for Applied Systems Analysis (IIASA). It aids in both, the validation of existing geographical information and the collection of new geographical information through crowdsourcing and citizen science. Using data sources such as satellite imagery, geotagged photographs and the Internet, individual volunteers are able to contribute valuable in-situ data, either by validating existing data and comparing it with satellite imagery (through v

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Crowdmapping is a subtype of crowdsourcing by which aggregation of crowd-generated inputs such as captured communications and social media feeds are combined with geographic data to create a digital map that is as up-to-date as possible on events such as wars, humanitarian crises, crime, elections, or natural disasters. Such maps are typically created collaboratively by people coming together over the Internet.

AllTrails is a fitness and travel mobile app used in outdoor recreational activities. This app is commonly used for outdoor activities such as hiking, mountain biking, climbing and snow sports. The service allows users to access a database of trail maps, which includes crowdsourced reviews and images. Depending on a user's subscription status, these resources can be used online and offline.