altium2kicad : Altium to KiCad converter for PCB and schematics ( https://github.com/thesourcerer8/altium2kicad )
amaranth : A refreshed Python toolbox for building complex digital hardware ( https://github.com/amaranth-lang/amaranth )
amaranth-boards : Amaranth boards and connectors ( https://github.com/amaranth-lang/amaranth-boards )
amaranth-soc : System on Chip toolkit for Amaranth ( https://github.com/amaranth-lang/amaranth-soc )
apicula : documentation and tools for the Gowin FPGA bitstream format ( https://github.com/YosysHQ/apicula )
easyeda2kicad : convert components from EasyEDA or LCSC for use with KiCad ( https://github.com/uPesy/easyeda2kicad.py )
ecpprog : A basic driver for FTDI based JTAG probes (FT232H, FT2232H, FT4232H), to program Lattice ECP5/Nexus FPGAs ( https://github.com/gregdavill/ecpprog )
icestorm : reverse-engineered tools for Lattice iCE40 FPGAs ( http://www.clifford.at/icestorm/ )
kicost : generate part-cost spreadsheets for circuit boards developed with KiCad ( https://github.com/hildogjr/KiCost )
kicost-digikey-api-v3 : experimental plug-in to allow KiCost to do native Digi-Key API requests ( https://github.com/set-soft/kicost-digikey-api-v3 )
minipro : A free and open TL866XX programmer ( https://gitlab.com/DavidGriffith/minipro )
nextpnr : portable FPGA place and route tool ( https://github.com/YosysHQ/nextpnr )
pcbnewTransition : support KiCad 5-7 in your plugins ( https://github.com/yaqwsx/pcbnewTransition/ )
prjoxide : documenting Lattice's 28nm Nexus FPGAs ( https://github.com/gatecat/prjoxide )
prjtrellis : reverse-engineered tools for Lattice ECP5 FPGAs ( https://prjtrellis.readthedocs.io )
pyvcd : writes Value Change Dump (VCD) files as specified in IEEE 1364-2005 ( https://github.com/westerndigitalcorporation/pyvcd )
tinyprog : Programmer for FPGA boards using the TinyFPGA USB Bootloader ( https://github.com/tinyfpga/TinyFPGA-Bootloader/ )
yosys : framework for Verilog RTL synthesis ( http://www.clifford.at/yosys/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a salfter
For Paludis use this rsync : rsync://gentoo.zugaina.org/salfter-portage
If you have a problem : ycarus(-at-)zugaina.org