Russia struggles as well. habr.ru is full of stories about rebranded western software and hardware sold at exorbitant prices with fake certificate of local produce )
Some open source projects are rebranded as Russian with minimal changes, that happens, yes, but that's the result of gaming the system that incentivizes development of Russian software, not the result of sanctions.
Russian replacements of Office 365 and Google Docs seem to be doing well.
As for hardware, the EU is not yet under American sanctions.
