- [TopicSentence.com](https://topicsentence.com/): This online tool helps you create topic sentences for any type of writing. Simply enter a few keywords and it will generate a variety of topic sentences that you can use.
- [TopicSentenceGenerator](https://www.topicsentencegenerator.com/): This tool generates topic sentences based on a given keyword or phrase. You can also choose from a variety of writing styles, including academic, business, and creative.
- [Topic Sentence Maker](https://www.topic-sentence-maker.com/): This app allows you to create topic sentences on your phone or tablet. Simply type in a keyword or phrase and select the writing style you want. The app will then generate a variety of topic sentences for you to choose from.
In addition to these online tools and apps, you can also find topic sentence generators in some word processing programs, such as Microsoft Word.