The controls

Action	Keybinding	Gui
Save	`ctrl + s`	`Simulation` > `Save`
Add a gate	-	click `logic-gates` > the gate you want to add
Move a gate	-	drag & drop the gate using the `right mouse button`
Pan	-	click & move & release the background useing the `right mouse button`
Select multiple gates	-	click & move & release using the `left mouse button`
Add to selection	`shift`	select while holding `shift`
Select all gates	`ctrl + a`	`Simulation` > `Select all`
Delete selection	`delete`	`Simulation` > `Delete selection`
Undo (to last save)	`ctrl + z`	`Simulation` > `Undo`
Refresh (reload) simulation	`ctrl + r`	`Simulation` > `Refresh`
Clean (delete unconnected gates)	`ctrl + delete`	`Simulation` > `Clean`
Delete simulation	`ctrl + shift + delete`	`Simulation` > `Delete simulation`
Open simulation	-	`Open simulation` > the simulation you want to open
Create simulation	-	`Create simulation` > `Project`
Create project	-	`Create simulation` > `Project` > type the name of the simulation
Create integrated circuit	-	`Create simulation` > `Integrated circuit` > type the name of the simulation
Change language	-	Click on the `Language: \<language\>` button (bottom of the sidebar)
Get more info about a built in gate	-	`Logic gates` > info