Phind

ChatGPT helps you get answers, find inspiration and be more productive. It is free to use and easy to try. Just ask and ChatGPT can help with writing, learning, brainstorming and more.

Felo - 免费搜索全球网站，通过实时AI问答助手帮助你发现和理解世界知识。支持AI PPT生成、AI思维导图生成、AI阅读网页/PDF、AI论文搜索、AI生图、文件AI分析等超强大功能！

Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.

SearXNG is a free, open-source metasearch engine that aggregates results from multiple search engines while prioritizing user privacy. It prevents tracking and profiling, offering a self-hosted solution for personalized and anonymous web searching.