Mhr Post Ticker Plugin is excellent for WordPress post tickers. This plugin will enable a news ticker in your WordPress theme. You can use news ticker via shortcode everywhere you want, even in theme files.

Additional Features:

• Dynamic Options
• Color Options
• Sort by Categories
• Sort by Tags

Free versions are available in WordPress, you can check by installing the free versions from WordPress.

Check out Live Preview to choose the best plugin for making a post ticker on your website. Please advise us of your feedback, so as we may include them in future updates.