Dotspotting is easy:

Dotspotting is the first project Stamen is releasing as part of Citytracking, a project funded by the Knight News Challenge. We're making tools to help people gather data about cities and make that data more legible. The code for Dotspotting is available for download on Github, and licensed for use under the GNU General Public License.

Recent sheets:
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Ancestor by ericrodenbeck created on August 18, 2015
Zalaegerszeg Subregions by Noinya created on August 10, 2015
retail map by andy_008_diu created on July 20, 2015
retail map by andy_008_diu created on July 20, 2015
Internal Partner by simonenaso created on July 16, 2015
Internal Partner by simonenaso created on July 16, 2015
Internal Partner by simonenaso created on July 16, 2015
Internal Partner by simonenaso created on July 16, 2015
product structure by simonenaso created on July 16, 2015
External Partner by simonenaso created on July 16, 2015
production structure by simonenaso created on July 15, 2015
test by simonenaso created on July 15, 2015
MATER SPRINGFIELD MRI by sarastowers created on June 15, 2015
Zone 2 Projects by shestad created on June 14, 2015
SFAQ Distribution by SFAQSFAQ created on June 12, 2015
treta1 by sergitof created on June 1, 2015
treta by sergitof created on June 1, 2015
Cities by dgaff created on May 16, 2015
Oakland Activity Test by gbaldwin created on May 8, 2015
Artiempo by nogues created on April 23, 2015
untitled by bethpeery created on April 20, 2015
untitled by ruben created on April 9, 2015
Robert Adam's Grand Tour by jackdsargeant created on April 9, 2015
untitled by jackdsargeant created on April 9, 2015
Test by shiaue created on April 2, 2015
VRD27 2015-03-14 by blech created on March 30, 2015
deneme by ardelia created on March 27, 2015
untitled by jllucas created on March 24, 2015
AR Ref. Labs by kreyes created on March 19, 2015
Ames Intersections by bahanson created on March 11, 2015
untitled by kristimoe created on March 9, 2015
Hackfest by nlemay created on March 9, 2015
Hackfest by nlemay created on March 9, 2015
untitled by kathryn@redeemerknoxville.org created on March 4, 2015
untitled by kathryn@redeemerknoxville.org created on March 4, 2015
untitled by kathryn@redeemerknoxville.org created on March 3, 2015
untitled by newpoject created on March 2, 2015
Asia by lcont1 created on February 25, 2015
Test Dots by lcont1 created on February 25, 2015
SpringStores by metonim created on February 18, 2015
LeedsArtCrawl_071014 by shi created on February 2, 2015
SPC Test by foreigner_co created on January 30, 2015
Significant Tech Real Estate Deals in San Franc... by seanc created on January 20, 2015
untitled by Karlien created on January 5, 2015
VS020 2014-10-29 by blech created on December 12, 2014
untitled by berman413 created on December 8, 2014
Mexico Reference Labs by kreyes created on December 4, 2014
Donde estamos by GABENER created on November 26, 2014
Associations Montpellier by clombion created on November 14, 2014
Significant Tech Real Estate Deals in San Franc... by ericrodenbeck created on November 13, 2014