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TIN is a fast, full-featured full-text search extension for Postgres that supports boolean expressions, fuzzy matching, and concurrent operations, released by PlanetScale as a GA product.
Meilisearch is an open-source search engine that enables fast application search with typo-tolerant full-text, semantic, and hybrid retrieval, all accessible through a single API with configurable keyword vs. embedding reliance.
The article discusses six RAG architectures and advises on avoiding over-engineering by selecting the right approach based on factors like data freshness, query patterns, and scale.
LatticeDB is an embedded property-graph database that integrates vector and full-text indexing into a single-file format, enabling graph traversal, similarity search, and BM25 search in one query layer for local applications.
This article argues that PostgreSQL is a versatile database solution capable of replacing multiple specialized technologies such as search engines, message queues, and caches, thereby simplifying IT setups.
Tantivy is a Rust-based library providing Lucene-style full-text search with sub-10ms startup and fast indexing capabilities, making it ideal for CLI tools.
Firn is an open-source, multi-tenant vector and full-text search engine backed by object storage like AWS S3, providing a tiered storage architecture with RAM and NVMe caching for performance. It achieves sub-second cold queries with IVF_PQ indexes and microsecond warm hits via result caching.
Hister is a personal search engine that indexes your browsing history, documentation, and local files, then exposes that index to AI assistants via MCP, allowing them to answer questions grounded in your private context.
LangChain engineers detail how they built a custom inverted index for SmithDB to support full-text search and JSON filtering over large agent traces stored in object storage, achieving median latency of 400ms despite huge payload sizes.
Elasticsearch is a distributed search and analytics engine, scalable data store and vector database optimized for speed and relevance. It powers search and AI applications including RAG and vector search.
Alibaba releases Zvec v0.5.0, an open-source in-process vector database with new features including full-text search, hybrid retrieval, DiskANN index, and new SDKs for Go, Rust, plus a visual tool.