1.alibaba / zvec
A lightweight, lightning-fast, in-process vector database
- rag
- agent-skills
- embedded
- faiss
- hnsw
- llm-memory
- +9 more
+891 stars
from 15,287 · score 6.79
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
10 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
2.typesense / typesense
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
- instantsearch
- fuzzy-search
- +14 more
+749 stars
from 26,327 · score 6.62
3.facebookresearch / faiss
A library for efficient similarity search and clustering of dense vectors.
+670 stars
from 40,586 · score 6.51
4.MariaDB / server
MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
+518 stars
from 8,005 · score 6.25
5.manticoresoftware / manticoresearch
Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.
- search-engine
- search
- mysql
- sphinxsearch
- cpp
- stream-filtering
- +9 more
+190 stars
from 11,886 · score 5.25
6.unum-cloud / USearch
Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
- kann
- vector-search
- approximate-nearest-neighbor-search
- simd
- search
- similarity-search
- +12 more
+131 stars
from 4,238 · score 4.88
7.infiniflow / infinity
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
- ai-native
- nearest-neighbor-search
- rag
- vector-search
- information-retrival
- bm25
- +13 more
+110 stars
from 4,648 · score 4.71
8.spotify / annoy
Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk
- c-plus-plus
- python
- nearest-neighbor-search
- locality-sensitive-hashing
- approximate-nearest-neighbor-search
- golang
- +1 more
+77 stars
from 14,254 · score 4.36
9.nmslib / hnswlib
Header-only C++/python library for fast approximate nearest neighbors
+73 stars
from 5,292 · score 4.30
10.activeloopai / deeplake
Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.
- deep-learning
- pytorch
- ai
- mlops
- computer-vision
- datalake
- +13 more
+64 stars
from 9,201 · score 4.17