YaCy YaCy is a free search engine that anyone can use to build a search portal for their intranet or to help search the public internet. When contributing to the world-wide... Free Open Source Mac Windows Linux Web Decentralized Peer-To-Peer Anonymity Privacy focused Add a feature 98 Like
Gigablast Gigablast is a powerful, opensource, new search engine that does real-time indexing! Features Scalable to thousands of servers. Has scaled to over 12 billion web... Free Open Source Web Self-Hosted Indexed search Search operators Add a feature 29 Like
Sphider Sphider is a lightweight web spider and search engine written in PHP, using MySQL as its back end database. It is a great tool for adding search functionality to your... Discontinued The latest version was released on June 4th, 2013. Free Open Source Self-Hosted PHP Lightweight Add a feature 4 Like
