Not many options unfortunately. Today that's GateMate.
Next best thing? The mature reverse-engineered families nextpnr[0] supports.
0. https://github.com/YosysHQ/nextpnrhttps://github.com/YosysHQ...
> Not many options unfortunately. Today that's GateMate.
And that's not a great option, frankly. GateMate is a strange design with major performance issues, like the lack of a dedicated clock network.