High Performance Vector Search Vector Databases

There are 21 high performance vector search tools tracked. 4 score above 50 (established tier). The highest-rated is alibaba/zvec at 63/100 with 8,900 stars. 1 of the top 10 are actively maintained.

Get all 21 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=vector-db&subcategory=high-performance-vector-search&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Tool	Score	Tier	Stars	Language
1	alibaba/zvec A lightweight, lightning-fast, in-process vector database	63	Established	8,900	C++
2	devflowinc/trieve All-in-one platform for search, recommendations, RAG, and analytics offered via API	56	Established	2,610	Rust
3	matte1782/edgevec High-performance vector search for Browser, Node, and Edge	54	Established	87	Rust
4	rryam/VecturaKit Swift-based vector database for on-device RAG using MLTensor and MLX Embedders	51	Established	263	Swift
5	KyroDB/KyroDB Autonomous Vector database for AI agents and RAG. Hybrid Semantic Cache...	47	Emerging	19	Rust
6	Build5Nines/SharpVector Lightweight, In-memory, Semantic Search, Text Vector Database to embed in...	43	Emerging	121	C#
7	myscale/MyScaleDB A @ClickHouse fork that supports high-performance vector search and full-text search.	42	Emerging	1,026	C++
8	upstash/semantic-cache A fuzzy key value store based on semantic similarity rather lexical equality.	42	Emerging	293	TypeScript
9	Michael-A-Kuykendall/contextlite Database Freedom Platform - Mathematical search optimization for whatever...	38	Emerging	15	Go
10	ChuckHend/pg_vectorize Full-text and semantic search on any Postgres	37	Emerging	826	Rust
11	memvector/ext-memvector MemVector: Local Vector API, Storage & Embedding Engine for PHP	27	Experimental	15	C++
12	chuanqisun/fast-theta High-performance cosine similarity computation	26	Experimental	1	TypeScript
13	viacheslav-dobrynin/SparkBERT Hybrid vector search using an inverted index and BERT embeddings	23	Experimental	2	Rust
14	kailas-cloud/vecdex Lightweight vector search engine on top of Valkey & Redis	23	Experimental	2	Go
15	j9082079/zvec Accelerate vector similarity search and embedding management for efficient...	22	Experimental	1	C++
16	MukundaKatta/IndexPulse Lightweight in-memory vector index — cosine, euclidean, dot product search with NumPy	22	Experimental	—	Python
17	Mariam500000/PageIndex 🔍 Empower efficient retrieval with PageIndex, a reasoning-based system that...	21	Experimental	—	Jupyter Notebook
18	lancedb/genkitx-lancedb Community Plugin for Genkit to use LanceDB	20	Experimental	3	TypeScript
19	swar09/photon Photon DB is high performance vector database i built using Rust but with...	17	Experimental	2	Rust
20	bbzaffari/Lightning-Fast-RAG-Core-PureAI-s-PureCPP-VDB At PUREAI, we’re building the fastest RAG framework. My work centers on the...	13	Experimental	—	Jupyter Notebook
21	SiluPanda/weav ⚡ In-memory context graph database written in Rust. Purpose-built for AI/LLM...	13	Experimental	—	Rust