
WordPressSoftware
WordPress is an open source blog publishing application which can also be used for basic content management. It has many features including a user-friendly workflow, a rich plugin architecture, and an advanced templating system.

FramacartePlatform
Create you own maps online
Un
Untitled CardPlatform, Software

OpenStreetMapPlatform, Organization
OpenStreetMap (OSM) is a collaborative project to create a free editable map of the world.

ShareaboutsSoftware
Shareabouts is an online mapping tool to gather crowdsourced public input in a social and engaging process. Using Shareabouts, people can drop a pin on a map to provide ideas, suggestions, and comments for planning and design issues. And as a mobile-friendly application, Shareabouts makes it easy to add input on the go.

DateaPlatform, Software
Datea is a corwdsourcing and civic engagement platform to create and visualize citizen reports (dateos) in maps, picture galleries, timelines and charts. It's mail goal is to allow citizens to share and visualize useful information for any purpose. It's flexibel, hashtag based structure allows anyone to create a map, timeline or gallery just by creating a report (dateo) using a hashtag. Furthermore, report iniciatives can be created by organizations such as NGOs, local governments and activists, which allow them to campaign for certain issues in order to obtain useful information from citizens (dateros).
Us
UshahidiSoftware
Ushahidi is an open source web application for information collection, visualization and interactive mapping. It helps you to collect info from: SMS, Twitter, RSS feeds, Email. It helps you to process that information, categorize it, geo-locate it and publish it on a map.
Op
OpenTreeMapPlatform, Software
OpenTreeMap is open source software for collaborative, geography-enabled urban tree inventory.