3CX vs CalcPP
A side-by-side look at 3CX and CalcPP. For an in-depth review of either product, follow the links below.
3CX
Business & Commerce
3CX is an open-source IP PBX software solution that works with popular SIP phone systems. It offers unified communications features like auto attendants, call routing, voicemail, video conferencing, and more.
voippbxsiptelephonyunified-communications
CalcPP
Office & Productivity
CalcPP is an open-source, cross-platform calculator and mathematical tool. It provides standard, scientific, programmer, date calculation, and converter modes. Key features include support for variables, functions, automated unit conversion, and export to TXT/CSV/HTML.
calculatormathscienceconverteropen-source