Get flash to fully experience Pearltrees
Seeks Project | An Open Decentralized Platform for Collaborative Search, Filtering and content CurationCurrent release is HIPPY: P2P collaborative filter on top of metasearch engine.
Multi: bing, yahoo, google
Lingo3G Document Clustering Engine Lingo3G clustering engine organizes your search results into topics. With an instant overview of what's available, you will quickly find what you're looking for.