PowerPC had support from Apple, IBM and Motorola, plus it saw use in every video game console for a time period, it got a Windows port... it's still around and

PowerPC had support from Apple, IBM and Motorola, plus it saw use in every video game console for a time period, it got a Windows port... it's still around and has its uses, but I don't know that you'd say it "succeeded." RISC-V may have support, but it's a hard market to break into.