This is not an exhaustive list, keep in mind that you can alsways use sm_help in the console to check for all commands available to you.
To reduce the number of things you have to bind to key, screaming MEDIC is equal to pressing +use.
You can also pick up weapons from the ground with +use or +use_action_slot_item (default H);
Drag props around with your hands and +attack2 (default RMB);
Bring up an interaction menu with other players and interact with NPCs (+use);
Steal NPCs money (+attack3 ; +crouch and +use) if cops are online.
/dropweapon, /dropit | Drop the weapon you're currently holding (or use dropitem bind, default L) |
/hands, /holster | Put your weapons away and show hands |
/clan | Shows clan menu |
/c | Talk to your clan members |
/clanname <name> | Sets the name of the clan you are leader in |
/buydoor | Buys door pointing at and existing sub doors |
/selldoor | Asks to sell Door pointing at and existing sub doors, within menu |
/givekeys | Shows Give Keys menu of Door pointing at |
/takekeys, /deletekeys | Shows Take Keys menu of Door pointing at |
/doorinfo | Shows info. in console of Door pointing at |
/doorname <name> | Sets the name of Door pointing at |
/door, /doormenu | Shows menu of Door pointing at |
/removelocks | Removes all locks from Door pointing at and adds them back to inventory |
/lockdoor //lockit | Locks or unlocks the door pointed, provided you're allowed to (or use +attack3, default MMB) |
/freezeit | Freezes and saves furniture inside your homezone |
/unfreezeit | Unfreezes furniture inside your homezone. Marks furniture for deletion again |
/deleteit | Unsave and delete furniture you spawned |
/colorit <Red> <Green> <Blue> <Alpha> | Changes the color of your furniture. Requires 4 values: Red Green Blue Alpha |
/items | Shows inventory menu |
/useitem <id> [amount=1] | Uses an item by database id. Amount is 1 by default |
/itemlist [page=1] | Shows all items in console in ascending order |
/joblist | Shows list of all jobs in console |
/jobinfo | Prints current job info |
/jobmenu | Shows job types menu |
/plant | Plants a weed pot if being a Drug Addict |
/kill, /stuck | All killbinds have a 10 second cooldown to prevent cheap escape from pvp! |
/rtd, /rollthedice, /dice [#userid|name] | Rolls the Dice on the player given or looking at, if not specified |
/rprank [#userid|name] | Shows Roleplay statistics for a given player or yourself, if not specified |
/thetime | Display the server time and time left to map reset |
/call <#userid|name> | Calls a player in-game |
/answer | Answers to all receiving calls |
/hangupplayer <#userid|name> | Hangs up phone on a player (even if only calling) |
/hangup | Hangs up phone on everyone (even if only calling) |
/enablephone | Allows receiving calls on phone |
/disablephone | Disallows receiving calls on phone and hangs up on everyone on phone (even if only calling) |
/talk | Shows talk menu to say predefined HL2 phrases |
/sms <#userid|name> <message> | Sends a private message to a client |
/r <message> | Answers a private message sent to/by you earlier |