Digital logic design tool and simulator

7.3K stars 964 forks 7.3K watchers Java GNU General Public License v3.0
circuit circuits digital-circuit digital-circuits digital-logic digital-logic-design education fpga logic logisim logisim-evolution simulator timing-diagram verilog vhdl
83 Open Issues Need Help Last updated: Jul 1, 2026

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Documentation about 9 hours ago
help wanted pri +1 documentation

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue D'n'D required

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug enhancement help wanted pri std all OS

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std investigating good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted macOS D'n'D required

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 all OS

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri -1 D'n'D required

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 investigating good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri +1 all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug enhancement help wanted pri std

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
help wanted documentation good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
What is telnet? about 1 month ago
enhancement help wanted pri -1 documentation good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri -1 windows good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std all OS

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std documentation

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
help wanted pri std all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 triage

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri -1 all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri +1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
help wanted pri std investigating linux windows good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std all OS

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
help wanted pri std investigating linux good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri +1 all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
AppImage 7 months ago
enhancement help wanted pri -1 linux good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
help wanted pri std documentation good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri std all OS

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std investigating good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std all OS

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri -1 investigating linux

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug pri std all OS good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri std linux good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue java

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1 good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
bug help wanted pri -1 windows good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted good first issue

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl
enhancement help wanted pri -1

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl

AI Summary: Implement a feature in Logisim-evolution to display the bus width (number of bits) on input/output wires, similar to a previous Logisim version. This should be visually clear and ideally configurable by the user.

Complexity: 3/5
enhancement help wanted pri -1 D'n'D required

Digital logic design tool and simulator

Java
#circuit#circuits#digital-circuit#digital-circuits#digital-logic#digital-logic-design#education#fpga#logic#logisim#logisim-evolution#simulator#timing-diagram#verilog#vhdl