1. Open Weather Map

Description: Provides current weather data, forecasts, and historical weather data.
Usage: Great for weather apps or integrating weather info into other applications.
Website: OpenWeatherMap

2. The Meal DB

Description: Database of recipes with meal categories, ingredients, and instructions.
Usage: Ideal for recipe apps or cooking websites.
Website: TheMealDB

3. NewsAPI

Description: Provides news articles from various sources and countries.
Usage: Useful for news aggregation apps, blogs, or dashboards.
Website: NewsAPI

4. Pexels

Description: Free high-quality images and videos.
Usage: Can be used for any projects needing free stock photos, like blogs or portfolios.
Website: Pexels API

5. JSONPlaceholder

Description: Fake online REST API for testing and prototyping.
Usage: Perfect for practicing CRUD operations in projects without building your own backend.
Website: JSONPlaceholder

6. CoinGecko

Description: Cryptocurrency data like prices, charts, and market caps.
Usage: Suitable for finance and crypto-tracking apps.
Website: CoinGecko

7. Unsplash

Description: Free stock photo API with high-quality images.
Usage: Great for projects that need visually appealing images, such as portfolios or blogs.
Website: Unsplash API

8. Giphy

Description: Database of GIFs for trending, random, and search queries.
Usage: Can be used in fun, interactive apps or social media-related projects.
Website: Giphy API

9. Open Library

Description: Access to a large collection of book data, including author info and search capabilities.
Usage: Great for book-related projects or library management systems.
Website: Open Library API

10. JokeAPI

Description: Provides programming, general, or custom jokes.
Usage: Adds humor to apps or creates a joke-centric app.
Website: JokeAPI

11. BoredAPI

Description: Suggests random activities based on preferences.
Usage: Fun for apps that provide activity ideas.
Website: BoredAPI

12. PokéAPI

Description: Provides data on Pokémon, including stats, abilities, and types.
Usage: Ideal for gaming, fan apps, or educational projects on Pokémon.
Website: PokéAPI

These APIs provide free access to data and can help make your project more engaging and dynamic. Be sure to check any usage limits or authentication requirements.