Article directory submission sites were once popular for building backlinks and promoting content, but their effectiveness has declined in recent years due to changes in search engine algorithms. Many article directories have also become less reputable sources of content. However, if you are interested in sharing your articles on such platforms, here are a few article directory submission sites that still exist as of my last knowledge update in September 2021:

1. **EzineArticles:** EzineArticles is one of the most well-known article directories. It allows you to submit articles on various topics.

2. **HubPages:** HubPages is a platform that allows you to publish articles on a wide range of subjects. It also has a revenue-sharing program.

3. **ArticleCity:** ArticleCity accepts articles on various topics. It has been around for a long time and has a relatively user-friendly submission process.

4. **GoArticles:** GoArticles is an article directory that accepts articles on a wide range of topics. It offers free article submission.

5. **Buzzle:** Buzzle is a platform for submitting articles on various topics, including health, lifestyle, and technology.

6. **SooperArticles:** SooperArticles allows you to submit articles on topics such as business, health, technology, and more.

7. **ArticleBiz:** ArticleBiz is an article directory that accepts articles on a variety of subjects. It offers both free and premium article submission options.

8. **ArticleCube:** ArticleCube is a platform where you can submit articles on various topics. It also allows authors to include links in their articles.

9. **ArticlesFactory:** ArticlesFactory accepts articles on a range of topics, including health, finance, and travel. It offers free article submission.

10. **iSnare:** iSnare is a paid article submission service that claims to distribute articles to various online publications for wider exposure.

Please note that the effectiveness of article directory submissions for SEO and