timlinden

Remembering to post every day, and which days you already posted, is super easy with this plugin. 
It shows you a calendar with days red when there isn’t a post, and days green when there is. Green 
days you can hover over and see the title of the post, and click to edit the post for that day.

wpFutureCal

A simple calendar that displays when you edit posts, showing which days you have posted on.

oktopost

If you ever tried including a link, in your social content, to a scheduled blog post, this small but precious time saver is for you.
The Oktopost Future Posts plugin allows <a href="https://www.oktopost.com" rel="nofollow ugc">Oktopost</a> to read the content of scheduled blog posts and create link attachments as it would normally do with published blog posts.
Once installed the plugin requires zero configuration. Just copy and paste the link to the designated blog post from WordPress to the Oktopost message box and the link attachment will show up as-always.

Oktopost Future Posts

Easily include link attachments, in your social content, to blog posts that have not yet been published.

wpFutureCal vs Oktopost Future Posts