There is standalone osu direct alternative.

Works with chimu.moe, and can get recomends from Tillerino and show pp of maps

Advantages?
Need less RAM than browser and sometimes CPU

How to use?
Just run and use 

github

Setting up:
1. Open settings
2. Set osu.exe path

Tillerino setting up: 
1.  Go to https://osu.ppy.sh/p/irc
2.  Authorize and get your IRC password
3. Open `keys.ini` in Direct folder and put your password in ircPass, and nickname in ircName (if you have spaces in nickname replace them by underscore [my Name -> my_Name] and read this)
4. Save and open direct settings and enable Tillerino
5. Use recommend button with mod button 

PPaddict setting up:
NOW WORKS WITHOUT OWN API KEY, BUT YOU CAN SET YOUR OWN
1. Go to https://ppaddict.tillerino.org/
2. Login
3. Get your api key via authorize in settings
4. Open `keys.ini` in Direct folder  and put your api key addictKey field
5. Save and open direct settings and enable PPaddict
6. Now you can see pp for maps and change mods