If you're looking for easy-to-use, free, unrestricted web crawlers to gather data for training a language model, here are some options you can consider:
1. **Scrapy**: Scrapy is an open-source and highly extensible web crawling framework for Python. It’s designed for web scraping and can handle everything from simple to complex crawling tasks.
- **Website**: [Scrapy](https://scrapy.org/)
- **Installation**: You can install it via pip: