JLandauer.
openWafer's cloud chip-design IDE.
Named for Rolf Landauer, who set the lower bound on the energy cost of computation.
Pick a PDK, write your design, simulate and synthesize, place & route — all from a browser tab. Download GDS and reports when you're ready, or route straight to a foundry for tapeout.
Two ways to work.
Start in the Playground for one-off explorations. Sign in when you want your work to persist across sessions or you need access to a consortium-gated PDK.
Free · No account
A scratchpad for the open PDKs — sky130, gf180mcu, IHP SG13G2. Write Verilog or schematic, run the flow, download the result. Close the tab and the work is gone.
Open Playground →Free to use · Sign in
Persistent projects, shared workspaces, version history, and access to consortium-gated PDKs like AIM Photonics. One click sends your design to foundry.openwafer.ai for tapeout when you're ready.