====== Comparison of existing email clients ======

For the next evolution of Mail2Voice, we need to start from a solid, proven and flexible existing client. To help deciding which software fits our needs the best, this page review as much FLOSS clients as possible. 

Given our constraints, the review criteria will be the following:
  * Software License (GPL, MIT, etc.)
  * Confidence (low, medium, high): does the software seems to be reliable, maintained, etc? 
  * Community activity (low, medium, high): is there a community support? Is the development team close to the community?
  * Platforms (Windows, Linux, OS X, etc.)
  * Development language(s)
  * Customizable theme/UI (yes/no, limitations)
  * Accessibility potential (name of the UI toolkit or any a11y related information)
  * Internationalization (i18n) system

When there is no info available for a criteria, the mention N/A is displayed.

===== List of clients =====


^Name ^License ^Confidence ^Community ^Platforms ^Languages ^Custom UI ^Accessibility ^I18n ^Notes ^
|Alpine|Apache License v2|low|low (no ML)|Linux/Windows|C|?|?|?|maintained with patches, this project seems a bit hard to follow.|
|Claws Mail|GPL v3|high|high|Linux/Windows|C|No|GTK+ toolkit|gettext (PO files)|-|
|<del>Gnus</del>|-|-|-|-|-|-|-|-|Emacs extension|
|<del>Mulberry</del>|-|-|-|-|-|-|-|-|Last update 21-Feb-2007|
|<del>Mutt</del>|-|-|-|-|-|-|-|-|Require Cygwin etc on windows|
|<del>SOGo</del>|-|-|-|-|-|-|-|-|Groupware|
|Sylpheed|GPL|?|?|?|?|?|GTK+|Yes|Japanese Wiki|
|<del>Zimbra Desktop</del>|-|-|-|-|-|-|-|-|Commercial project|
|<del>SeaMonkey</del>|-|-|-|-|-|-|-|-|All-in-one Internet suite.|
|Thunderbird|MPL|high|high|Linux/OSX/Windows|C, C++, JavaScript, CSS, XUL, XBL|[[http://kb.mozillazine.org/Window_layout_-_Thunderbird|Yes?]] |Mozilla products are known to be accessible.|Yes|-|