There are several types of ladders designed for different tasks. The most common types include step ladders, which are self-supporting and ideal for indoor use, and extension ladders, which can be extended to reach higher places. Multi-purpose ladders can be adjusted for various heights and configurations, making them versatile for different jobs. Another type is the folding ladder, which is compact and easy to store, perfect for small spaces. Platform ladders provide a stable working surface and are often used in commercial settings. Each ladder type has specific safety features and weight limits, ensuring safe use for various applications.