Hi, the website is https://share2steem.io
For now, only SteemConnect is supported but the login / auths system is being reworked, so it will change in the future, active key will be needed though at one time or another to delegate posting auth to the account (as Steem Keychain would only allow log in and broadcast post when user is on the website, which is not possible for our use).
You can contact us on Discord too https://discord.me/share2steem
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