I have one of these https://www.ebay.co.uk/itm/363335083501 It's very compact compared to a full size one and gives decent straight cuts with some cheapo rails (which are also very compact).
Realistically though you still need a workmate or something to clamp your work to and a vac to extract the dust (although I just used my home Miele one for quite a while) and it will still be fairly dusty.
I have one of these https://www.ebay.co.uk/itm/363335083501 It's very compact compared to a full size one and gives decent straight cuts with some cheapo rails (which are also very compact).
Realistically though you still need a workmate or something to clamp your work to and a vac to extract the dust (although I just used my home Miele one for quite a while) and it will still be fairly dusty.