Unfollow everyone who you currently follow on GitHub

unfollow-github.sh

# it does not manage pagination
# just run it until you do not see more unfollowing messages

# token needs user:follow permissions
TOKEN=$1
USER_LIST=$(curl -sS -H "Authorization: token $TOKEN" https://api.github.com/user/following | grep login | awk NF | awk -F'"' '{print $4}')



for user in $USER_LIST; do
    echo "unfollowing $user\n"
    curl -sS -X DELETE -H "Authorization: token $TOKEN" https://api.github.com/user/following/$user
    sleep 1
done