Masterra

Founded in 1999, Masterra (former MathTerra Software) specializes in writing Windows desktop applications for using at home and office.

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Summer Smiley Collection
Free
Enhance Your Messages with Animated Smileys
Windows
Bugs Images Collection
Free
PostSmile Bugs Collection: Animate Your Emails and Forum Posts
Windows
Love II Smiley Collection for PostSmile
Free
Express Love with Animated Smileys and Quotes
Windows
ByteSweeper
Trial version
ByteSweeper: Boost PC Performance and Free Up Space
Windows
Valentine Smiley Collection for PostSmile
Free
Masterra Valentine Smileys: Express Love with Animated Emojis
Windows