Issabel vs PNGGauntlet
A side-by-side look at Issabel and PNGGauntlet. For an in-depth review of either product, follow the links below.
Issabel
Network & Admin
Issabel is an open-source unified communications platform that provides PBX, voicemail, fax, instant messaging, and other communication tools. It is built on top of FreePBX and the Asterisk IP PBX.
pbxvoipunified-communications
PNGGauntlet
Photos & Graphics
PNGGauntlet is a free open source image optimizer that can losslessly compress PNG files. It aims to find the optimal compression for PNG images while maintaining compatibility.
pngcompressionoptimizerlossless
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