C++ / C# / Py / ECMA … 'My God. It's full of stars!'
: A powerful, free, and web-based tool that is highly compatible with Visio files.
: An open-source desktop application that can handle basic technical drawing and flowcharts. : A powerful, free, and web-based tool that
: Microsoft now offers Visio Plan 1 or Plan 2 as a monthly subscription, making it much more affordable than the high upfront cost of older "Pro" versions. Free/Open-Source Alternatives : : A powerful