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Crowdsourced data collection

Platforms that allow a variety of people to contribute data to a common collection.

Apollo

The Apollo DemTool is a powerful system for compiling, managing, and analyzing citizen reports from an election monitoring mission.

BERN app

BERN was mostly used for “relational organizing”, which is a tactic of asking supporters to reach out to their friends to persuade them to vote and volunteer.

cat-icon Burlington, VT, USA

Collideoscope

Tell us about your collisions and near-misses, so we can build the evidence base for improvements, together

cat-icon United Kingdom

CommonSpace

CommonSpace is a map-based data collection mobile application that makes it easier to record observations of human activities in open spaces — a method known as public life studies.

Crisis Commons

CrisisCommons seeks to advance and support the use of open data and volunteer technology communities to catalyze innovation in crisis management and global development. CrisisCommons is a global community of volunteers from technology, crisis response organizations, government agencies, and citizens that are working together to build and use technology tools to help respond to disasters…

Crowdsourced Facebook ad targeting campaign

Sie haben geholfen, Trump zum Präsidenten zu machen. Sie haben den Brexit befeuert. Jetzt spielen sie auch im deutschen Wahlkampf eine Rolle: sogenannte "Dark Ads". BuzzFeed News macht diese dunklen Anzeigen nun transparent.

DC Domestic Violence Court Watch Project

The mission of the DC Domestic Violence Court Watch Project is to create transparency and data-driven information through court monitoring to ensure that all victims of domestic violence have equal access to a clear, fair and consistent judicial process that prioritizes victim safety and offender accountability.

cat-icon Washington, DC

Europol Trace an Object

The most innocent clues can sometimes help crack a case. The objects are all taken from the background of an image with sexually explicit material involving minors. For all images below, every other investigative avenue has already been examined. Therefore we are requesting your assistance in identifying the origin of some of these objects. We are convinced that more eyes will lead to more leads and will ultimately help to save these children.

cat-icon Eisenhowerlaan 73, The Hague, Netherlands

Facebook Political Ad Collector

The Political Ad Collector is a tool you add to your Web browser. It copies the ads you see on Facebook, so anyone, on any part of the political spectrum, can see them in our public database.

cat-icon Toronto, ON, Canada