Hello.
At Yobit exchange anybody can make order to list coin by this form. I think, slimcoin can be added if a lot of requests will be made. This form has these fields:
I can fill some of them this way:

Coin name    Slimcoin
Ticker    Slm
Algo    Dcrypt
Dev language    english
Type    PoW+PoS
Source link (Git)    https://github.com/slimcoin-project
Bitcointalk topic    https://bitcointalk.org/index.php?topic=1141676

But I don't know about other fields. Please, who can, write the example of right writing and we all will make some requests to this exchange. Let's try ;-)
They don't have any coin or token with this ticker.

BTW, https://slimcoin.club/ is unreachable