Top 23 Go rag Projects

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1. Milvus

   1 138 44,754 10.0 Go

   Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

   

   Project mention: The AI stack every developer will depend on in 2026 | dev.to | 2026-05-19

   Milvus: Optimized for large-scale, distributed memory operations

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. WeKnora

   2 1 16,166 9.9 Go

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

   

   Project mention: WeKnora – LLM-Powered Document Understanding and Retrieval Framework | news.ycombinator.com | 2025-12-14

4. openagent

   3 7 5,230 9.9 Go

   ⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagentai.org

   

   Project mention: I Built a Single-File AI Agent in Go — Zero Dependencies, Double-Click to Run | dev.to | 2026-05-18

   GitHub: github.com/the-open-agent/openagent ⭐

5. vearch

   4 2 2,315 8.3 Go

   Distributed vector search for AI-native applications

   

6. chromem-go

   5 9 972 6.7 Go

   Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.

   

   Project mention: Local LLMs versus Offline Wikipedia | news.ycombinator.com | 2025-07-19

   Yeah, wanting to try to do that.

   Someone posted this recently: https://github.com/philippgille/chromem-go/tree/v0.7.0/examp...

   But it is a very simplified RAG with only the lead paragraph to 200 Wikipedia entries.

   I want to learn how to encode a RAG of one of the Kiwix drops — "Best of Wikipedia" for example. I suppose an LLM can tell me how but am surprised not to have yet stumbled upon one that someone has already done.

7. helix

   6 5 781 10.0 Go

   ♾️ Private Agent Fleet with Spec Coding. Each agent gets their own GPU-accelerated desktop. Run Claude, Codex, Gemini and open models on a full private AI Stack ♾️ (by helixml)

   

   Project mention: My AI Agent Keeps Forgetting Everything | dev.to | 2026-04-07

   Diet-Coder planted the seed with those three files. Matt Pocock's skills repo helped shape how I organised the commands. Helix.ml informed the gate classification system. Full provenance is in the repo.

8. agency

   7 3 506 7.4 Go

   🕵️‍♂️ Library designed for developers eager to explore the potential of Large Language Models (LLMs) and other generative AI through a clean, effective, and Go-idiomatic approach. (by neurocult)

   

9. prompt-cache

   8 1 236 8.1 Go

   Cut LLM costs by up to 80% and unlock sub-millisecond responses with intelligent semantic caching.A drop-in, provider-agnostic LLM proxy written in Go with sub-millisecond response

   

   Project mention: Show HN: PromptCache – a self-hosted semantic cache for LLMs (Go and BadgerDB) | news.ycombinator.com | 2025-11-23

10. k8ssandra-operator

    9 1 232 8.8 Go

    The Kubernetes operator for K8ssandra

    

11. mcp-victoriametrics

    10 1 179 8.9 Go

    The implementation of Model Context Protocol (MCP) server for VictoriaMetrics

    

    Project mention: VictoriaMetrics playgrounds any dev should try in 2026 | dev.to | 2025-12-30

    GitHub repository: https://github.com/VictoriaMetrics-Community/mcp-victoriametrics

12. rag-extension

    11 1 97 3.5 Go

    An example extension in go using retrevial-augmented generation

    

13. verbis

    12 1 97 6.5 Go

    A privacy-first fully local assistant for MacOS with SaaS connectors

    

14. membrane

    13 1 90 9.0 Go

    A selective learning and memory substrate for agentic systems — typed, revisable, decayable memory with competence learning and trust-aware retrieval. (by BennettSchwartz)

    

    Project mention: Show HN: Membrane, revisable memory for long lived AI agents | news.ycombinator.com | 2026-02-11

15. kektordb

    14 2 80 9.4 Go

    AI memory system combining vector search with temporal knowledge graph. Built-in cognitive engine for agents. Supports memory decay, contradiction detection, and MCP integration.

    

    Project mention: Show HN: KektorDB – Lightweight, Embeddable Vector+Graph Database Written in Go | news.ycombinator.com | 2026-01-07

16. devrag

    15 1 60 7.8 Go

    Markdown vector search MCP server for Claude Code. Natural language search for markdown files using multilingual-e5-small embeddings.

    

    Project mention: Introducing Free RAG for Claude Code — Save Tokens & Time | dev.to | 2025-10-24

    Repository: https://github.com/tomohiro-owada/devrag

17. supacrawler

    16 3 55 7.4 Go

    Supacrawler's ultralight engine for scraping and crawling the web. Written in go for maximum performance and concurrency.

    

    Project mention: Show HN: Supacrawler – lightweight web scraping, crawling, screenshots API | news.ycombinator.com | 2025-09-27

18. localcloud

    17 1 49 9.0 Go

    Stop paying for AI APIs during development. LocalCloud runs everything locally - GPT-level models, databases, all free.

    

    Project mention: Show HN: LocalCloud – Run complete AI stack locally for $0 | news.ycombinator.com | 2025-07-08

19. sentencizer

    18 2 49 5.4 Go

    A sentence splitting (sentence boundary disambiguation) library for Go. It is rule-based and works out-of-the-box.

    

20. pgedge-rag-server

    19 1 43 8.5 Go

    A simple API server for performing Retrieval-Augmented Generation (RAG) of text based on content from a PostgreSQL database using pgvector.

    

    Project mention: Pgedge-RAG-server: simple API server for RAG of text from a PostgreSQL DB | news.ycombinator.com | 2026-01-29

21. cortexdb

    20 1 38 8.3 Go

    A pure-Go, single-file AI memory and knowledge graph library.

    

    Project mention: Embedded Vector and Graph Database in Pure Go(Suspected to Be Slop | news.ycombinator.com | 2026-02-03

22. qi

    21 1 33 9.5 Go

    query search engine cli for humans and ai agents (by itsmostafa)

    

    Project mention: A local search engine for AI Agents | news.ycombinator.com | 2026-04-05

23. Local-rag-example

    22 1 22 7.0 Go

    A local and private rag guide with some examples, using PgSql, Ollama and Go

    

    Project mention: Local RAG with Go, Ollama, and Postgres (pgvector): a minimal guide | dev.to | 2025-11-09

    This post contains an explaination on how the RAG (Retrieval-Augmented Generation) architecture works and some examples. The post is a shameless copy paste of the guide I made on github: https://github.com/Franky5831/Local-rag-example

24. statelessagent

    23 1 19 9.8 Go

    Your AI forgets everything between sessions. SAME fixes that. Local-first, no API keys, single binary.

    

    Project mention: Show HN: ClawMem – Open-source agent memory with SOTA local GPU retrieval | news.ycombinator.com | 2026-03-21

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