Platforms that allow a variety of people to contribute data to a common collection. See also: Participatory Sensing, "an approach to data collection and interpretation in which individuals, acting alone or in groups, use their personal mobile devices and web services to systematically explore interesting aspects of their worlds ranging from health to culture." - IDS UCLA
Making unsafe tap water visible before it becomes a crisis.
This op-ed explains how to start an ICE Watch neighborhood program in your community.
Learn about the history of the 72,000 letters sent by citizens to the Brazilian Constitutional Convention and how to consult them, and the Sistema de Apoio Informático à Constituinte (SAIC)
ICERR is community sourced information to help connect you with a rapid response team in your area. If you see ICE call your local Rapid Response team to notify them of any activity you see.
Partnership with Watch Duty allows Ring owners to get alerts as well as share wildfire imagery with others
Liberating knowledge from climate-related reports
Enhancing public access to federal habeas corpus case documents restricted under FRCP 5.2(c)
America's Essential Data is a collaborative effort dedicated to documenting the value that data produced by the federal government provides for American lives and livelihoods.
This page memorializes the federal datasets and variables, as well as select data tools, that have been terminated or removed in 2025.
Your collective defense against AI-generated spam and content farms in Kagi Search
The "Map of Polish Trees" is a nationwide, social project aimed at creating an inventory of trees growing across Poland.
Footnotes will draw on the collective knowledge of the TikTok community by allowing people to add relevant information to content on our platform.
Nidoroualmewaafe signifie "Nous avons besoin de l'eau et du bien-être" en arabe local. Notre plateforme numérique se concentre sur l'amélioration de l'accès à l'eau et à l'assainissement en utilisant...
ICEBlock is an innovative, completely anonymous crowdsourced platform that allows users to report Immigration and Customs Enforcement (ICE) activity with just two taps on their [i]phone.
Devolutos is a pro-bono project built by a collective of activists to map Lisbon's empty housing and encourage the government to tax their owners to prompt redevelopment.
RIPOTI is a platform developed by Paradigm Initiative to enable individuals, CSOs, human rights defenders, advocates, activists, and the general public to report and collaboratively address African di...
This is a tool for crowdsourcing data, initially designed for gathering data about local authority climate actions for https://councilclimatescorecards.uk/
AlgorithmWatch's new campaign seeks to crowdsource reports of algorithmic discrimination. If you've experienced it or know someone who has, you can report it
Watch The Med is an online mapping platform to monitor the deaths and violations of migrants’ rights at the maritime borders of the EU. The WatchTheMed project was initiated as part of the 2012 Boats4...
تطبیق "أزمة" ھو تطبیق فلسطیني يعرض حالة الأزمات المرورية التي تفرضھا حواجز الاحتلال
Crowdsourced reporting on Illegal Factories on Farmland in Taiwan
남양 제품인지 확인해보세요
Verified restaurant map based on the history of congressional donations (국회의원 후원금사용내역을 기반으로 한 검증된 맛집지도)
Crowdsourced project to collect data on sake and sake breweries from across Japan, integrates lost historical data, and utilizes digital technology to establish stronger connections between producers...
部集結群眾編纂的開放台語辭典
Worker-led audits in the platform economy
Twitch drives Google Maps
Crowdsourced project to digitize campaign finance records and detect corruption
The largest dataset of deep seafloor imagery ever assembled, showing "we have visually observed less than 0.001%"
Mapping the networks of the 1,580 individuals who were arrested, charged, or convicted for participating on the attack on the U.S. Capitol on January 6, 2021.
OONI Probe is a free and open source tool to help measure internet censorship.
How do we ensure that community data from Papua New Guinea’s protected areas is reported and heard?
This form is to help quickly identify what activities were terminated in the February 25 Armageddon at USAID.
Wiki Education engages students and academics to improve Wikipedia
Watch Duty, a 501(c)(3) nonprofit, alerts you of nearby wildfires and firefighting efforts in real-time.
Unanimous AI develops Swarm® & Swarm AI® technology that amplifies human intelligence, empowering groups to optimize their collective knowledge, wisdom, and intuition by forming real-time AI systems [...
Google's mapping platform
Write for the causes you care about, and predict which points will prove most powerful. On Crowdvocate you can help create campaigns that change minds – and win real money while you're at it.
EveryDoor is an OpenStreetMap editor for POIs and entrances.
Swipe and tap. Put communities on the map. Help humanitarians find and help vulnerable people.
FIeldTM allows for coordinating field mapping activities in Open Mapping campaigns. While there are existing field mapping applications, there is a lack of efficient tools to coordinate these activiti...
This app finds missing map data in your vicinity and displays it on a map as quests. Solve each quest by visiting the location on-site and answering a simple question to update the map.
Access street-level imagery and map data from all over the world. Fill in the gaps by capturing coverage yourself.
The Sketch Map Tool is an easy-to-use tool for participatory sketch mapping through offline collection, digitization and georeferencing of local spatial knowledge. The tool has a variety of applicatio...
Mapeo is a free, easy-to-use, open source set of tools for collecting and mapping information. Mapeo was built by Digital Democracy with and for earth defenders to easily document environmental & huma...
MapRoulette has dozens of mapping Challenges that are created by experienced mappers. Each Challenge is about improving OSM in one very specific way
SmartRR is a virtual one stop shop for Gender Based Violence and Sexual Reproductive Health. We are committed to creating a safer, more supportive world for survivors and adolescent girls.
Like X and YouTube, China's Weibo platform instituted community notes annotations to fight disinformation on the platform.