Create Splitwise account

[hsercanatli]

Create the account and connect with slack

[sertansenturk]

Created.

Note that SplitWise does not have a "budget" feature, i.e. it is only to keep the track of money owed by someone to another person.

Since we don't have any expenses except domain registration and server etc. accounting related stuff is kept in a Google sheet for the time being.