If you're looking for a service that lets you schedule blog posts for multiple services, including WordPress and Tumblr, SocialOomph is a good choice. It's got more-advanced post scheduling abilities to publish content to multiple social media services like Facebook, LinkedIn, Twitter and Tumblr, as well as to blog services like WordPress.com and WordPress.org. The service lets you schedule posts in your own time zone, and it's got other features like automatic posting from RSS feeds, post queues and webhooks integration.
Another good option is Nuelink, an all-purpose social media scheduler and automator. Nuelink lets you manage and optimize your profiles on Facebook, Instagram, Twitter, LinkedIn and Pinterest through a single interface. It can schedule posts in bulk from a Google Sheets spreadsheet, and it's got AI-powered writing assistance, too, making it a good option for creators, entrepreneurs and small businesses. The service also automates social media tasks like publishing blog posts and products from e-commerce sites.
Also worth a look is SocialBee, an all-purpose social media manager. It lets you schedule and publish posts to a range of services including Facebook, Pinterest, Instagram, LinkedIn, YouTube, Twitter and Google Business Locations. With features like content creation integrations, AI-generated content and analytics to track performance, SocialBee is geared for freelancers, small businesses and agencies that need a way to manage their social media presence.