For the figures including TeX' annotation, both latexdraw and ipe, the later especially after the discovery of two tutorial videos (Introduction to Ipe drawing editor - Tools, Properties, & Snapping and How to create these figures in Ipe drawing editor). Both programs may be used either in Linux, Mac, Windows. For ipe, I like that the underlying LaTeX source code is embedded in the .pdf, so there is a way to... Source: over 1 year ago

If you are looking for application, then take a look at LaTexDraw. Source: over 1 year ago

I really liked the idea of having a graphical interface in the first two possibilities, but the first one is kind of a mess, and I personally found that the second one is not handy at all. I thus searched the web to find another solution, and I went through a thread mentioning Mathcha. Source: 7 months ago

A good tool that you could use is mathcha.io, which gives you a graphical user interface for drawing technical diagrams in LaTeX (with the TikZ package). Draw what you want and copy the corresponding LaTeX code into your document. Source: 11 months ago

Mathcha.io seems to be abandoned since 2019 according to its Twitter account, and according to MalwareBytes it's become riskware. Do people have alternatives for WYSIWYG Tikz editors? I've loved it for differential and complex geometry (I made a bitchin diagram for the definition of a vector bundle), so I'm loathe to simply abandon it. Source: about 1 year ago

Mathcha.io can export tikz code. I use it for most of my stuff. If you get used to it you can do this schematic in less than an hour. Source: about 1 year ago

I have grown to always use mathcha.io. Imo if you're rendering really complicated stuff, you should just stick to using the actual LaTex files. Nothing beats it once you're used to it. Source: about 1 year ago