Wikipedia is already quite a bit of a battleground for a wide variety of interests. Linux seems like the obvious path to avoiding depending on and trusting Microsoft, although I don't know if China cares that much right now.
Linux sees a lot of contributions from China (Loongson, Huawei, many smaller vendors) and especially Loongson has gotten pretty good with working with upstream to get their architecture (LoongArch) into GCC, binutils, libc …