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

https://icepanel.io/ The best I've ever used. - Source: Hacker News / 22 days ago

I use UML quite a bit but it's never really what I'm after, somnething more modern and fluid and gui driven that more people can use. Icepanel [1] looks really cool but I haven't tested it and I'm not sure it really fits my use case. It seems like it's mostly for api driven rpc/grpc/rest services when I kind of want to use it to visualize backend/infra/terraform sort of things. Might be interesting to you. [1] -... - Source: Hacker News / 3 months ago

1. We started using https://icepanel.io/ for microservices, Software, anything thats documentable for later read. 2. More diagrams, less key strokes 3. We have dedicated page owners on confluence, its mix of engineers, leaders, PM's, QA etc. - Source: Hacker News / 3 months ago

The best tool for writing C4 documentation I have seen so far is https://icepanel.io/. - Source: Hacker News / 7 months ago

I really like the C4 model as part of a larger toolset. If you’re also using it then I recommend looking at https://icepanel.io/ Great tooling strongly based on C4, I use it a lot. - Source: Hacker News / 7 months ago