Yosys
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
3recommend
0warn against
Dec 22, 2025first mention
Sep 4, 2026latest mention
Why people recommend it
“yosys has support for doing “assertion checking”, which I used in my solution”
“Yosys is a super lightweight open-source FPGA toolchain that really easy to get up and running.”
Show 1 more
“There already exist fantastic open source tools such as Yosys, Nextpnr, iverilog, OpenFPGALoader”
Caveats and dissent
No one in these comments warned against it.
Threads where it came up
Data: yosys.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 4
“yosys has support for doing “assertion checking”, which I used in my solution”
“Yosys is a super lightweight open-source FPGA toolchain that really easy to get up and running.”
“I've ended up using Yosys from a command line, while editing the files in a text editor.”
“There already exist fantastic open source tools such as Yosys, Nextpnr, iverilog, OpenFPGALoader”