I think there are two interesting ways: 1. Either go for the Gowin FPGAs from China. You can get good boards for cheap from Ali. 2. There are FPGAs that now h

I think there are two interesting ways: 1. Either go for the Gowin FPGAs from China. You can get good boards for cheap from Ali. 2. There are FPGAs that now have a FOSS chain. They are very interesting too.