FreeSWITCH vs Sfletter
A side-by-side look at FreeSWITCH and Sfletter. For an in-depth review of either product, follow the links below.
FreeSWITCH
Network & Admin
FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice and chat driven products scaling from a softphone to a PBX and even up to an enterprise-class softswitch. It can be used to power PBX solutions, voicemail services, conference calling, contact center solutions and more.
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Sfletter
Office & Productivity
Sfletter is an open-source newsletter application that allows users to easily create, send, and manage email newsletters. It has a simple drag-and-drop editor for building newsletters and custom templates.
newsletteremailtemplatesdraganddropopensource
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