For everyday/everywhere I use a folder (Al Mar Sere 2000). I use it for all things where a knife is helpful: opening letters, cases, boxes, cutting bread, fruit and so on.

At home, until recently I used another folder: a Buck 110 for all things. This sumer vacation I used a RAT RC-3 for all things. Then I put my hands on a HCLE. The HCLE replaced the Buck in my kitchen and it's now my everything knive at home and for walks.

When running or cycling I try to find a place for a Spyderco endura if I have an application for it, else I prefer to be light.

I'm waiting a Mudd Puppy LE. Can't say if it will replace the HCLE in use, have to test it. I received a Tan Yard Keeper and I think that as soon as I get a pant for him he will be my everything tool for outdoor activities.

I have some more knives but not a real collection.