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Open source repos that use OpenSearch

10 public repos that SeeRepo read use OpenSearch. It's used most with Postgres, Redis, and MCP.

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Used most with

  • Postgres6 repos
  • MCP5 repos
  • Gin3 repos
  • SQLite3 repos
OpenSearch10 repos
  • Redis5 repos
  • MySQL4 repos
  • go-redis3 repos
  • Google3 repos

The repos, by stars

  1. 1
    infiniflow/ragflow

    RAGFlow is an agent-native database: a Retrieval-Augmented Generation (RAG) engine that grew into context infrastructure.

    Go+11694.1kAI 2.1%
  2. 2
    mem0ai/mem0

    The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

    Python+6168.7kAI 3.6%
  3. 3
    juspay/hyperswitch

    Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation

    Rust+5445.8kAI 3.3%
  4. 4
    Tencent/WeKnora

    Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

    Go+7636.7kAI 4.3%
  5. 5
    backstage/backstage

    Backstage is an open framework for building developer portals

    TypeScript+634.8kAI 3.3%
  6. 6
    vercel/vercel

    Develop. Preview. Ship.

    TypeScript+3716.5kAI 2.6%
  7. 7
    trinodb/trino

    Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

    Java+10713.5k
  8. 8
    ccfos/nightingale

    Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.

    Go+2613.5kAI 0.1%
  9. 9
    langchain4j/langchain4j

    LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

    Java+6913.4kAI 1.2%
  10. 10
    NangoHQ/nango

    Connect your agents & product to 1,000 APIs.

    TypeScript+7213.2kAI 4.4%

Frequently asked questions

What is the most popular open source repo that uses OpenSearch?
infiniflow/ragflow, with 94,073 stars on GitHub.

The proof: infiniflow/ragflow on GitHub

What other technologies is OpenSearch used with?
With Postgres (6), Redis (5), MCP (5), MySQL (4), and Gin (3), out of the 10 repos that use it.
What languages are the repos that use OpenSearch written in?
Go (3), TypeScript (3), Java (2), Python (1), and Rust (1).
How many repos that use OpenSearch have commits signed by AI?
9 of the 10; the most, NangoHQ/nango, with 4.4% of its commits.

The proof: the commits each tool signed in NangoHQ/nango

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