Howl yog lub hom phiaj dav dav editor uas lub hom phiaj yog ob qho tib si sib sib zog nqus thiab tuaj yeem hloov kho tau. Nws tau tsim nyob rau sab saum toj ntawm LuaJIT khiav ceev heev, thiab tuaj yeem txuas ntxiv hauv Lua lossis Moonscript. Nws muaj qhov minimalistic UI uas tau tsav los ntawm cov keyboard.