Knowledge Management
Free
Added 01 Mar 2026
Quivr 4.0
The new version of Quivr, an open-source, self-hosted AI second brain for storing and querying knowledge, now supports semantic search and improved integrations.
open-source
productivity
knowledge base
semantic search
AI Overview
Quivr 4.0 is an open-source, self-hosted AI second brain that lets you store, organize, and semantically search your knowledge base without relying on external services. It's ideal for individuals and teams who want private, controllable knowledge management with advanced search capabilities. What sets it apart is its semantic search functionality, self-hosting option, and improved integrations for seamless data ingestion.
Features
FREE
- ✓ Semantic search across knowledge base
- ✓ Self-hosted deployment option
- ✓ Multi-source document ingestion
- ✓ Open-source codebase
- ✓ Enhanced third-party integrations
- ✓ AI-powered query responses
Use Cases
- → Store and retrieve research notes, articles, and documentation using natural language queries
- → Organize personal or team knowledge bases with automatic semantic indexing
- → Integrate multiple data sources to build a unified knowledge repository
- → Reduce search friction by finding relevant information through meaning-based rather than keyword matching
- → Maintain privacy-sensitive knowledge without uploading data to cloud services
Ready to try Quivr 4.0?
Visit the official site to get started.