One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

rust search-engine analytics postgresql olap full-text-search mpp columnar-storage semantic-search bm25 real-time-analytics postgresql-extension aggregations similarity-search htap sparse-vector vector-search vector-database hybrid-search distributed-search

• Updated Nov 12, 2026
• Rust

BitMagic Library

c c-plus-plus information-retrieval cmake algorithm avx bit-manipulation simd integer-compression sparse-vectors sparse-matrix bit-array indexing-engine bit-vector adjacency-matrix associative-array sparse-vector

• Updated Nov 11, 2026
• C++

A lock-free, in-memory fuzzy search engine for Kotlin Multiplatform. L2-normalized sparse vector embeddings with O(1) cosine similarity — handles typos, transpositions, and blind continuation. Zero-allocation search via primitive arrays, reactive StateFlow results, and instant cold-start via JSONL import/export.

search-engine autocomplete coroutines fuzzy-search typeahead fuzzy-matching embeddings in-memory concurrent stateflow lock-free cosine-similarity ngram skip-gram text-search sparse-vector kmp kotlin-multiplatform vector-database typo-tolerant

• Updated Apr 16, 2026
• Kotlin

Accompanying source code to my Bachelor's thesis at TUHH

gui dataset differential-privacy monte-carlo-sampling accuracy-guarantees sparse-vector

• Updated Mar 15, 2018
• Python

A Rust library for sparse vector indexing and retrieval, supporting optimized search, multi-threading, and C++ integration via FFI.

rust retrieval mmap inverted-index sparse-vector sparse-index

• Updated Jan 21, 2025
• Rust

SPLADE (Sparse Lexical AnD Expansion) model fine-tuned for Portuguese text retrieval. Based on BERTimbau and trained on Portuguese question-answering datasets.

information-retrieval model embeddings sparse-vector portuguese-brazilian bert-fine-tuning splade sparse-retrieval

• Updated Dec 5, 2025
• Jupyter Notebook

Search library for static websites. Bm25, faceting, Sparse & dense vector search, reciprocal rank fusion for hybrid search. Perfect for small sites and blogs.

search static-sites bm25 sparse-vector vector-search

• Updated Jul 2, 2026
• TypeScript

Sparse Matrix and Linear Algebra in Javascript

linear-algebra javascript-library svd sparse-matrix qr-decomposition eigen-vector-decomposition sparse-vector matrix-inversion

• Updated Jul 18, 2017
• JavaScript

A simple and secure implementation of Chroma supporting vector, full-text, regex, and metadata search, made available on the internet via Cloudflared 🌥️

api docker embedded docker-compose cloudflare full-text-search chroma agents semantic-search rff similarity-search metadata-search sparse-vector cloudflared rag vector-database dense-retrieval chromadb claude-code

• Updated Apr 3, 2026
• Makefile

Ultra-fast, zero-dependency, type-safe sparse matrix & vector computation engine for Node.js & TypeScript

nodejs performance typescript linear-algebra zero-dependency sparse-matrix sparse-vector

• Updated Sep 27, 2026
• TypeScript

Self-hosted semantic search over your own documents. Your own self-hosted knowledge bases made easy.

self-hosted epub semantic-search sparse-vector pdf-processing

• Updated Mar 25, 2026
• Python