The full list of WordPress plugins are listed here: https://wordpress.org/plugins/. They come in two varieties:
- To provide an enhanced version of an existing WordPress feature
- To add features not included in WordPress
There can be many plugins offering the same or similar features. The rules of thumb are:
- Ensure it has recently been updated in the last twelve (preferably six) months
- The number of users is a good guide to which is best
Plugins can help in the integration of:
- Maps
- Weather
- Shopping Carts (WooCommerce is the market leader)
- Payment
- LiveChat
- Social Networking (BuddyPress is the market leader)