Downloading ArcGIS Viewer for Flex 3.7 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Photo & Graphics Tools, more precisely Viewers & Editors.
The actual developer of the free program is Environmental Systems Research Institute. The most popular versions among the software users are 3.7, 3.6 and 3.1.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The latest version of the software is supported on PCs running Windows XP/Vista/7/8/10/11, 32-bit. The most frequent installer filenames for the program are: ArcGIS Viewer for Flex.exe and ArcGIS Viewer for Flex Bet.exe etc.
From the developer:
The ArcGIS Viewer for Flex is a configurable web mapping application that can be easily configured, modified, and extended.
ArcGIS Viewer for Flex provides a smart, intuitive framework for looking at and interacting with maps. It is a configurable web application that allows you to easily build your own custom mapping application in just a few minutes, with no programming required.
You may want to check out more software, such as ArcGIS Extensibility SDK for Silverlight, Phoenix Viewer or The Report Viewer Pro, which might be related to ArcGIS Viewer for Flex.
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Viewers & Editors