There is a free download available, but template and symbol options will be limited. Annual plans start at $99 a year. We recommend downloading the free version to get a feel for the program before you commit to a plan.
In case Termite is not what you are looking for, some alternatives are:The Serial Port Monitorby Eltima Software has the ability to sniff communication from another program(without requiring a special cable) and the ability to monitor multiple serialports at the same time. Serial Port Monitor handles RS485/422 as well as RS232,and supports Modbus RTU and Modbus ASCII protocols.The HyperTerminal applet that comes with Microsoft Windows, or the third-partyHyperTerminal Private Edition.MCS Electronics providesthe free \"simpleterm\" utility amongst its downloads. (Choose \"Downloads\", then\"BASCOM\". Then select the \"MCS Simple Terminal\" from the list.)YAT, two freewareserial terminals are listed on the site of LakeviewResearch: a small and simple terminal by Dieter Fauth and a full-featuredterminal by Maettu.\"Terminal\" by Br@y++, a free terminal that supports text and hexadecimaldisplay, macros, scripting, graphic visualization and more.\"Termie\",which started as an open-source clone of Termite, but now has some features thatTermite lacks, while lacking some of Termite's features.
CrystalMaker lets you print 3D models of your structures, via the STL 3D file export option (widely supported by most 3D printers). You can also export any structure as a self-contained COLLADA 3D file: ideal for exchange with 3D graphics software. Even better, you can view your CrystalMaker COLLADA files on your iPad! Just drop your files into iBooks Author (a free download from the Mac app store), then publish to your iPad. 1e1e36bf2d