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Zvec

zvec.org

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Spec score 7.5 #20 of 27 in Vector Databases

What it is

Zvec is an open-source, in-process vector database for indexing and querying vectors locally without a server or external infrastructure. It supports dense and sparse vectors, full-text search, and hybrid retrieval with structured filters. Listed index types include Flat, HNSW, IVF, and DiskANN, with RaBitQ variants also available; quantization options include FP16, INT8, INT4, RaBitQ, and PQ. Write-ahead logging provides persistence across process crashes or power failures. Multiple processes can read a collection at once, while writes are exclusive to one process. SDKs are listed for Python, Node.js, Go, Rust, Dart/Flutter, C, and C++. The README lists Linux, macOS, and Windows support, and prebuilt SDK binaries are published for Android and iOS as well. Named integrations include Logseq, MyContext, ReMe, txtai, and CocoIndex. The maker presents Zvec for application developers working on prototyping, local development, embedded and edge applications, or production systems. Its product family also includes Zvec-Grep, a local search CLI and MCP tool for code, documentation, and text-based data. It is available free under the Apache License 2.0.

Spec sheet

What it does
Zvec is an open-source, in-process vector database for indexing and querying vectors without a server, daemon, or external infrastructure.Read 8 Oct 2026 · zvec.org
Integrations
The product site names integrations with Logseq, MyContext, ReMe, txtai, and CocoIndex.Read 8 Oct 2026 · zvec.org
Support
The documentation directs users to report issues on GitHub and lists community channels including DingTalk, WeChat, Discord, and X.Read 8 Oct 2026 · github.com
Agent tools
The product family includes Zvec-Grep, a local workspace search CLI and MCP tool for people and AI agents.Read 8 Oct 2026 · zvec.org
Concurrency limit
Multiple processes can read the same collection simultaneously, while writes are exclusive to one process.Read 8 Oct 2026 · zvec.org
Indexes
The site lists Flat, HNSW, IVF, and DiskANN index types, plus FP16, INT8, INT4, RaBitQ, and PQ quantization.Read 8 Oct 2026 · zvec.org
Languages and APIs
Official SDKs are listed for Python, Node.js, Go, Rust, and Dart/Flutter, with C and C++ also linked from the product site.Read 8 Oct 2026 · github.com
Privacy and deployment
Zvec runs in-process and locally, with no server or external infrastructure required.Read 8 Oct 2026 · zvec.org
Search types
It supports dense and sparse vectors, full-text search, and hybrid retrieval with structured filters.Read 8 Oct 2026 · zvec.org
Security and compliance
The maker describes Zvec as private and the repository identifies Apache-2.0 licensing; the pages opened do not state a security certification or compliance standard.Read 8 Oct 2026 · zvec.org
Storage
Write-ahead logging provides persistence across process crashes or power failures.Read 8 Oct 2026 · zvec.org
Supported content
Zvec-Grep searches local code, documentation, and text-based data using exact text, keywords, or meaning.Read 8 Oct 2026 · zvec.org
Supported platforms
The README lists Linux, macOS, and Windows, and says prebuilt SDK binaries are published for Linux, macOS, Windows, Android, and iOS.Read 8 Oct 2026 · github.com
Who it is for
The maker describes Zvec for application developers and presents use cases spanning prototyping, local development, embedded and edge applications, and production systems.Read 8 Oct 2026 · zvec.org

Plans and prices

Zvec Free Open-source in-process vector database · Apache License 2.0 Read 8 Oct 2026 · github.com

Every Zvec plan and price →

Strong points and limits

Strong points

  • Runs locally without a server or external infrastructure
  • Supports dense, sparse, and hybrid search
  • Write-ahead logging provides persistence
  • Offers SDKs across multiple languages
  • Free and open source under Apache License 2.0

Limits

  • Writes are exclusive to one process
  • No free trial is listed

Who it suits

Zvec is intended for application developers who need local vector search, from prototyping and development to embedded, edge, or production use. Its in-process design suits deployments that do not require a separate server or external infrastructure.

Verdict

Zvec offers local vector indexing and retrieval with several search, index, and quantization options. Its single-process write restriction is worth considering when planning concurrent workloads.

Where Specifiction places it

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