An online Verilog, SystemVerilog and UVM compiler and simulator. It runs Verilator 5.054 and Icarus Verilog 12 with the Accellera UVM library, shows waveforms and real code and functional coverage, and offers a REST API, a JavaScript SDK and an embeddable editor for other websites.
The editor needs JavaScript. Read more: summary, developer guide, API reference, examples.