Here are ten websites that are commonly used for social media marketing:

Hootsuite - A comprehensive social media management platform for businesses of all sizes.

Buffer - A social media scheduling and publishing tool that helps businesses manage multiple social media accounts.

Sprout Social - An all-in-one social media management platform that provides a range of features including scheduling, publishing, and analytics.

Later - A visual social media planning and scheduling tool that helps businesses plan and publish content on Instagram and other platforms.

Hubspot - A comprehensive inbound marketing and sales platform that includes social media management features.

TweetDeck - A Twitter-based social media management tool that provides real-time monitoring and scheduling capabilities.

Agorapulse - A social media management platform that offers scheduling, publishing, and reporting tools for businesses.

MeetEdgar - A social media scheduling and publishing tool that focuses on helping businesses repurpose and reuse content.

CoSchedule - An all-in-one marketing management platform that includes social media scheduling and publishing features.

1kview - A social media platforms boosting that offers services related to increasing the number of views on videos posted on social media platforms such as YouTube, TikTok, and Instagram. 

These websites offer a range of features and pricing options, so it's important to evaluate each one based on your specific needs and budget to determine the best fit for your business.