OurMaps A Spatial Justice Toolkit for Grassroots Organizing


The Public Laboratory for Open Technology and Science (Public Lab) is a community which develops and applies open-source tools to environmental exploration and investigation. By democratizing inexpensive and accessible Do-It-Yourself techniques,...

Public Lab

Megakheir, translated as ‘mega goodness’, is platform works with NGOs to harness the power of mobile technology in an effort to address and combat pressing social issues ranging from poverty and illiteracy to unemployment, child-mortality and...

Megakheir mobile, sms

FrontlineSMS is an open source desktop software created to lower barriers to positive social change using mobile technology. By leveraging basic tools already available to most organizations, including those in ‘last-mile’ settings —...

FrontlineSMS open source, sms

Esri’s ArcGIS is a Geographic Information System (GIS) for working with geographic information. There are many uses for ArcGIS (and software like it), such as: creating and using maps; compiling geographic data; analyzing map information; and...

ArcGIS Desktop desktop, software

Provided by ESRI, the world largest GIS software maker, ArcGIS online allow users to add a large variety of format in its hosted platform and share it publicly. The platform works completely online and can be integrated with ESRI’s professional...

ArcGIS Online online

Resources for taking aerial images and using them to make maps. Instructions, video tutorials and downloadable pdf guides for making balloon/kite mapping kits (basic kit is also purchaseable online) & for organizing sets of images and...

Balloon Mapping aerial imagery, balloon mapping, citizen science, community organizing, research

Instead of sending pre-rendered tiles for every zoom level, Cartagen draws maps dynamically on the client side. This means maps can move, adapt, and redraw, and can include as many layers of data as needed. Vector mapping is done in native HTML...


CartoDB is a proprietary online platform to create dynamic maps online. The platform has been growing quickly and has different focuses depending on the area you are working on: academic, journalists or mobile.

CartoDB animations, dynamic, online, platform, proprietary

Cloudmade is a service designed to assist in building custom mapping servers.

Cloudmade proprietary, server, tiles

Crowdmap is a hosted version of the popular mapping platform Ushahidi. The company developed Crowdmap to make it easier for activists and social groups around the world to use Ushahidi without the need to access a server or work directly with...

Crowdmap geo-tagging, mapping, sms, social media, ushahidi

Need ideas on how to color your new map? ColorBrewer is a free, online tool that allows you to compare different color schemes to maximize the impact of your map.

ColorBrewer mapping

GDAL (Geospatial Data Abstraction Library) is an open source library for reading and writing raster geospatial data formats. As a library, it presents a single abstract data model to the calling application for all supported formats. It may also...

GDAL free, open source

GeoDa is a free, open source, cross-platform software program that serves as an introduction to spatial data analysis. The program provides a user friendly graphical interface.

GeoDa desktop

Geofeedia Logo
Geofeedia is a very interesting new venture that searches social media based on a pre-established geo-location. For example, if you are interested in a particular neighborhood, you can use the tool to “geo-fence” the area of the neighborhood...


Google Earth is an example of a GIS (Geographic Information Systems) application. To be more specific, Google Earth is a GIS viewer. GIS applications use maps to display data based on their location. Google Earth is a free Geographic Information...

Google Earth online, software

Google Maps is the popular online Google mapping service. It is proprietary of Google, but it includes the functionality of editing online maps and creating your own maps. Google Maps also can be used in the desktop version which includes a wide...

Google Maps

GRASS GIS (Geographic Resources Analysis Support System) is a free and open source software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization. GRASS GIS is...


gvSIG is a free, open-source desktop GIS application designed for capturing, storing, handling, analyzing and deploying any kind of geographic information. gvSIG is known for having a user-friendly interface, being able to access the most common...


A desktop editor for the popular mapping platform OpenStreetMap.


KoBoMap is part of the KoBo Toolbox, a set of open-source tools for data collection and analysis currently under development at the Harvard Humanitarian Initiative. Probably the greatest thing about KoBo is that it has the limited internet...


Kosmo is a desktop GIS tool for visualizing and processing spatial data, characterized by its friendly user interface and access to multiple data formats. It offers a variety of GIS utilities such as file editing and analysis.


LocalData is set of tools that helps community groups and city residents gather and organize information about their neighborhood. The app caters to all ages and technical abilities. Data can be collected on paper and then scanned, or through the...

Localdata data management, platform, service

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MapKnitter is a free and open source tool for combining and positioning images (often from MapMill.org) in geographic space into a composite image map. Basically, it can make maps from any image source, but it particularly lends itself to making...

Mapknitter free, open source

If you are creating your own maps using aerial images, MapMill is a great open source and free program that offers a more accessible and inclusive first step in the process of turning images into maps. With MapMill, you change the tedious task of...


Meipi is an online platform that uses user-generated inputs to create collaborative spaces online.

Meipi collaboration, platform, spaces

A lightweight javascript library for designers and developers who want to use interactive maps in their own projects.

Modest Maps

OpenJUMP is an open source GIS program that allows users to edit, save, analyse, and display map data. It's available in English, Finnish, French, German, Italian, Portugese and Spanish.