A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
- search-engine
- typo-tolerance
- site-search
- database
Repository Index
60,121 visible repositories in the index
1–24 of 32 · Most stars
Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences
- search-engine
- search
- typo-tolerance
- site-search
📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics
- analytics
- cube
- postgresql
- mysql
SQL databases in Python, designed for simplicity, compatibility, and robustness.
- python
- sql
- sqlalchemy
- pydantic
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
A vector index built on TurboQuant, written in Rust with Python bindings
- ann
- avx512
- embeddings
- faiss
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
- search-engine
- semantic-search
- semantic-search-engine
- vector-search
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
- search-engine
- rust
A lightweight, lightning-fast, in-process vector database
- rag
- agent-skills
- embedded
- faiss
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
- python
- search
- nlp
- semantic-search
Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.
- search-engine
- search
- mysql
- sphinxsearch
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
- approximate-nearest-neighbor-search
- image-search
- nearest-neighbor-search
- recommender-system
Cloud-native OSS search engine for observability
- rust
- log-management
- logs
- tantivy
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
- sparse-vector
- hybrid-search
- bm25
- full-text-search
Semantic cache for LLMs. Fully integrated with LangChain and llama_index.
Your own search engine
- history
- index
- search
- search-engine
Semantic search over videos using Gemini Embedding 2 or Qwen3-VL.
- chromadb
- dashcam
- gemini
- gemini-embedding-2
One proximity graph for vector search, sparse products & attention across RAM, VRAM & NVMe, over dense vectors, sequences, shapes & geospatial sets in 14 languages 🔍
- kann
- vector-search
- approximate-nearest-neighbor-search
- simd
Asynchronous Python ODM for MongoDB
- mongodb
- pydantic
- asynchronous
- asyncio
Selfhosted tournament system
- fastapi
- postgresql
- sports
- tournaments
GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.
- digital-human-rights
- anonymity
- security
- python
Sync and Async ODM (Object Document Mapper) for MongoDB based on python type hints
- mongodb
- asyncio
- python
- object-document-mapper
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
- java
- elasticsearch
- full-text-search
- lucene
Graph is a semantic database that is used to create data-driven applications.
- coredata
- data
- database
- graph