google / xls

XLS: Accelerated HW Synthesis

JulianKemmerer / PipelineC

PypelineC: A hardware description language (HDL) adding high level synthesis(HLS)-like automatic pipelining as a language construct/compiler feature.

calyxir / calyx

Intermediate Language (IL) for Hardware Accelerator Generators

spcl / dace

DaCe - Data Centric Parallel Programming