Sparrow for Mac – minimalist mail client for mac

Sparrow for Mac is a lightweight, minimalist IMAP supported email application for Mac. it provide support for all major IMAP webmail clients such as Gmail (including Google apps accounts also), MobileMe, Yahoo! mail, AOL mail and Any custom IMAP supported webmail server.

Kerio Connect – business email, messaging, collaboration and full groupware single server solution

Kerio Connect is an effective tool that acts as a messaging server that is mainly a platform agnostic and mobile aware. You can select any operating system according to your convenience to run this message server.

Axigen – Free collaborative Linux mail server

Axigen is a collaborative Linux mail server and calendaring platform showcasing the functions that can be very helpful for professionals grouped together to work in a shared project.

LotusLive iNotes Webmail, Calendar and Contact Management solution

LotusLive iNotes is a world class massaging solution and calendaring capabilities for businesses who want to reduce their IT cost and Complexity.

Zimbra Desktop – cross-platform email and collaboration client

Zimbra Desktop allows the merging of or the collaboration of both the online as well as the offline world that allows the synchronization of your calendars, contacts and documents. These can be accessed from anywhere locally.

MockSMTP.app – email testing application for new apps and websites on Mac OS X

MockSMTP is a very basic and native application for MAC platforms. The application embeds its SMTP server and consists of an e-mail browser that helps in viewing HTML as well as the raw content rendering.

Postbox – email management software for Mac OS X

Postbox is an e-mail managing tool for operating system like MAC and windows and is powered by Mozilla. A very useful tool for social networking and e-mailing, this application can also be called desktop e-mailing application.

IncrediMail – Window based Email client for multimedia e-mail

IncrediMail is an easy to use simple email client which produces attractive multimedia e-mail.With IncrediMail, user can easily add thousand of attractive e-mail backgrounds, Emoticons, E-cards, Sounds, Animations, videos and 3D effects to your e-mails.

Columba – java based email client

Columba is an Open source Email Client for Unix-like operating system and windows. it written in java and provide a user-friendly java swing build graphical user interface

Livepad – Personal information manager and note taking software

Livepad is a powerful personal information manager and note taking software from seeplain.com. it’s a single workspace platform where user can hold all their information – notes, documents, pictures, alarms, web clippings and audio’s.