Explore 2387 PostgreSQL extensions from PGEXT, maintained by Pigsty.
134 extensions found. Clear filters
| Name | Version | Description | Category | License | Language | PG Version | Stars |
|---|---|---|---|---|---|---|---|
| vector | 0.8.6 | vector data type and ivfflat and hnsw access methods | RAG | PostgreSQL | C | 14–18 | 23k |
| pg_deeplake | 1.0 | Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training. | RAG | Apache-2.0 | C++ | — | 9.2k |
| pgml | 2.10.0 | Run AL/ML workloads with SQL interface | RAG | MIT | Rust | 14–17 | 6.8k |
| ai | 0.11.3-dev | Helper functions for AI workflows in PostgreSQL | RAG | PostgreSQL | Python | 16–18 | 5.8k |
| ruvector | 0.3.0 | SIMD-accelerated vector type and indexes with graph, solver, TDA, local embedding, and AI SQL functions. | RAG | MIT | Rust | 14–17 | 4.5k |
| vectorscale | 0.9.0 | Advanced indexing for vector data with DiskANN | RAG | PostgreSQL | Rust | 14–18 | 3.1k |
| vexdb_lite | 1.0 | A cross-platform vector database, which can be integrated into existing databases as a plugin. | RAG | MIT | C++ | — | 2.4k |
| vectors | 0.4.0 | Vector database plugin for PostgreSQL, written in Rust, specifically designed for LLM | RAG | Apache-2.0 | Rust | 14–17 | 2.2k |
| vchord | 1.1.1 | Vector database plugin for Postgres, written in Rust | RAG | AGPL-3.0 | Rust | 14–18 | 1.8k |
| gp_sparse_vector | 1.0.1 | Sparse vector implementation for Greenplum-family databases. | RAG | Apache-2.0 | C | — | 1.4k |
| lantern_extras | 0.6.0 | Convenience functions for working with vector embeddings | RAG | AGPL-3.0 | Rust | 12–17 | 890 |
| vectorize | 0.27.1 | The simplest way to do vector search on Postgres | RAG | PostgreSQL | Rust | 14–18 | 831 |
| ogai | 1.0 | OGAI - AI vectorization and search framework for openGauss | RAG | MulanPSL-2.0 | C++ | — | 784 |
| embedding | 0.3.6 | HNSW vector similarity search extension for PostgreSQL real[] embeddings. | RAG | Apache-2.0 | C | 12–16 | 579 |
| madlib | 2.1.0 | An open-source in-database analytics library | RAG | Apache-2.0 | C++ | — | 475 |
| pg_gpt | 0.0.0 | Experimental extension that brings OpenAI API to your PostgreSQL to run queries in human language. | RAG | Apache-2.0 | Rust | — | 458 |
| hybrid_search | 1.1.0 | Hybrid pgvector and full-text search helper functions for LangChain and Supabase. | RAG | Apache-2.0 | SQL | — | 441 |
| pg_similarity | 1.0 | support similarity queries | RAG | BSD-3-Clause | C | 14–18 | 402 |
| pgcontext | 0.3.0 | Vector, filter-aware HNSW, and hybrid retrieval over authoritative PostgreSQL tables. | RAG | Apache-2.0 | Rust | 17–18 | 251 |
| pgcontext_pgvector | 0.2.0 | Optional pgvector compatibility bridge for pgcontext HNSW indexes. | RAG | Apache-2.0 | Rust | 17 | 251 |
| pgclaw | 0.1.0 | Store LLM or OpenClaw agents as PostgreSQL values and process watched rows with a background worker | RAG | MIT | Rust | 14–17 | 210 |
| jev | 0.2.0 | Natural-language row filtering, ranking and classification through TypeSafe | RAG | PostgreSQL | Python | 14–17 | 195 |
| pg_gist_hamming | 1.0 | support for indexing common datatypes in GiST | RAG | BSD-3-Clause | C | — | 185 |
| vptree | 1.0 | VP-tree implementation | RAG | BSD-3-Clause | C | — | 185 |
| nr_model | 1.0.0 | AI-powered Autonomous Data System | RAG | — | C | — | 148 |
| goldenmatch_pg | 0.13.0 | GoldenMatch entity-resolution functions for deduplication, matching, scoring, and golden-record workflows. | RAG | MIT | Rust | 15–17 | 129 |
| smlar | 1.0 | Effective similarity search | RAG | — | C | 14–18 | 128 |
| kmeans | 1.1.0 | K-means clustering window function for PostgreSQL | RAG | PostgreSQL | C | 10–18 | 106 |
| rag | 0.0.0 | Deprecated RAG helper extension for document extraction/chunking and remote embedding, reranking, and chat APIs. | RAG | Apache-2.0 | Rust | 13–18 | 101 |
| rag_bge_small_en_v15 | 0.0.0 | rag_bge_small_en_v15: local bge-small-en-v1.5 embeddings in PostgreSQL | RAG | Apache-2.0 | Rust | 13–18 | 101 |
| rag_jina_reranker_v1_tiny_en | 0.0.0 | Runs jina-reranker-v1-tiny-en locally in a preloaded background worker and exposes SQL rerank scores and distances. | RAG | Apache-2.0 | Rust | 13–18 | 101 |
| typesafe | 0.0.1 | SQL client for TypeSafe AI classification and scoring | RAG | MIT | C | 16–17 | 76 |
| pg_embedder | 0.2.0 | In-backend text embedding inference using Rust, Candle, and packaged models. | RAG | MIT | Rust | 13–18 | 63 |
| pgdl | 1.3.0 | PostgreSQL extension for deep learning model inference and vector storage inside the database. | RAG | — | C++ | 12 | 63 |
| pg_onnx | 1.2.1 | ONNX Runtime integrated with PostgreSQL. Perform ML inference with data in your database. | RAG | MIT | C++ | 13–18 | 62 |
| pg_tiktoken | 0.0.1 | tiktoken tokenizer for use with OpenAI models in postgres | RAG | Apache-2.0 | Rust | 14–18 | 52 |
| neurondb | 4.0.0-devel | AI database extension for vector search, ML inference, hybrid search, and RAG in PostgreSQL. | RAG | Proprietary | C | 16–18 | 50 |
| pase | 0.0.1 | PostgreSQL ultra-high dimensional approximate nearest neighbor search extension. | RAG | — | C | — | 50 |
| pgpu | 2.1.0 | GPU acceleration for PostgreSQL vector index builds using NVIDIA CUDA/cuVS and VectorChord. | RAG | AGPL-3.0 | Rust | 14–18 | 42 |
| pgedge_vectorizer | 1.1 | Asynchronous text chunking and embedding generation for PostgreSQL using background workers and pgvector. | RAG | PostgreSQL | C | 14–18 | 36 |
| pgafis | 1.2 | AFIS Support for PostgreSQL | RAG | GPL-2.0 | C | — | 28 |
| pg_ai | 0.0.1 | PostgreSQL extension that provides (RAG capable)SQL functions to interpret data using multi modal LLMs and vectors. | RAG | Apache-2.0 | C | — | 25 |
| bitpolar_pg | 0.3.3 | BitPolar: near-optimal vector quantization — 3-8 bit compression with zero training. 58 integrations across every major AI framework. | RAG | — | Rust | — | 20 |
| pgpyml | 0.3.1 | Run scikit-learn machine-learning models inside PostgreSQL through PL/Python functions and triggers. | RAG | PostgreSQL | Python | — | 18 |
| pg_sentence_transformer | 0.1 | Runs a Hugging Face sentence-transformer model inside a preload background worker and maintains pgvector embeddings for a configured table. | RAG | BSD-2-Clause | Python | — | 17 |
| pg_turboquant | 0.1.0 | Compact TurboQuant approximate-nearest-neighbor index access method for pgvector vector and halfvec data. | RAG | MIT | C | 16–17 | 14 |
| pg4ml | 2.0 | Machine learning framework for PostgreSQL | RAG | AGPL-3.0 | C | 14–18 | 13 |
| avocado | 2.2.0 | AvocadoDB PostgreSQL extension for deterministic context compilation for AI agents. | RAG | MIT | Rust | 16 | 12 |
| pg_phash | 1.0 | Calculate Hamming distance between decimal-encoded perceptual image hashes | RAG | GPL-3.0 | C | — | 10 |
| pgai | 1.0 | In-database predictive analytics using LSTM, Prophet, ARIMA, and SARIMA models. | RAG | — | Python | — | 10 |