Buffer and Hoot-suite are obvious but don't forget two "more specific" schedulers: Tailwindapp (the chief Pinterest and Instagram specialty scheduling tool that officially partners with the tricky API of those platforms) and Missing Lettr (the main social media drip campaign manager for bloggers-- no other app does what it does for bloggers & it has social media scheduling within it).
Buffer and Hoot-suite are obvious but don't forget two "more specific" schedulers: Tailwindapp (the chief Pinterest and Instagram specialty scheduling tool that officially partners with the tricky API of those platforms) and Missing Lettr (the main social media drip campaign manager for bloggers-- no other app does what it does for bloggers & it has social media scheduling within it).