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CATEGORY INTELLIGENCE / WORLDWIDE

Retrieval / RAG

Grounding model answers in useful knowledge.

Red ocean · Measured classification

Retrieval / RAG: Established alternatives · mixed search signals

Search attention for “retrieval augmented generation” is mixed. 17 reviewed open-source projects serve this task. Established open-source alternatives shape this category. Compare their strengths and find a concrete reason for users to choose your product.

Report dated 2026-10-15 · Method 2.0.0 · low evidence confidence

Measured search term: retrieval augmented generation · Last 8 complete weeks vs previous 8

2610 active projects match the published GitHub search scope.
The keyword “retrieval augmented generation” has 104 complete weeks; 0% are reported as zero.

Open-source competition: ≥81 / 100 · Established alternatives
Open-source alternatives: 17
Direction basis: Recent search windows
Matching active GitHub projects: 2,610
Search-interest growth: -47% · Last 8 complete weeks vs previous 8
Search term and region: retrieval augmented generation · Worldwide
Complete weekly observations: 104

Why this classification

Median weekly search interest fell 47% across two consecutive eight-week windows.
2,610 active repositories match this search scope. Review their users and workflows to identify direct alternatives.
Four-week search change: 28%; thirteen-week change: -66%. These windows check the direction of the eight-week comparison.
Project roles: 17 direct alternatives, 0 adjacent projects, 7 resources, 76 awaiting review.
Competition pressure: 81–100/100; breadth 32, established alternatives 30, leading project strength 20.

Source evidence

GitHub repository search · topic:retrieval-augmented-generation fork:false archived:false stars:>=1 pushed:>=2025-10-15

Collected 2026-10-15T05:48:14.206Z

Google Trends search interest · Collected 2026-10-15T05:48:14.205Z

Leading repositories

Repository	Stars	Description
infiniflow/ragflow	92,248	RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs
pathwaycom/serviette	58,789	Ready-to-run cloud templates for RAG, AI pipelines, and enterprise search with live data. 🐳Docker-friendly.⚡Always in sync with Sharepoint, Google Drive, S3, Kafka, PostgreSQL, real-time data APIs, and more.
HKUDS/LightRAG	40,142	[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation
VectifyAI/PageIndex	39,129	📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
chatchat-space/Langchain-Chatchat	38,684	Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 \| Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain
NirDiamant/RAG_Techniques	29,874	This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.
deepset-ai/haystack	26,745	Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
HKUDS/RAG-Anything	23,556	"RAG-Anything: All-in-One RAG Framework"
memvid/memvid	16,599	Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
llmware-ai/llmware	14,816	Unified framework for building enterprise RAG pipelines with small, specialized models

Limits of this result

Google Trends measures relative search attention. Assess customers, revenue and willingness to pay through direct research.
Supply covers active repositories matching the displayed GitHub queries. Broader competition research can include other repositories and commercial products.
Search windows or related terms show mixed directions. The competition assessment remains tied to the observed alternatives; compare the source curves for search momentum.
Repository density and search attention provide complementary research signals. Assess competition and demand through user and product evidence.
Competition pressure is an operational index of observed open-source alternatives. Stars and forks indicate developer attention and reuse; user adoption and commercial products deserve separate research.
The displayed projects form a stars-ranked sample. Competition pressure is a lower bound; wider coverage can strengthen the assessment.
Some project roles await closer review. The pressure range includes their possible contribution.

Search interest measures attention. Customer demand needs user research; classification thresholds are published heuristics subject to empirical calibration.

Community requests

[Feature Request]: Add Rerank capability for Ollama

Discussion open

Is there an existing issue for the same feature request? - [X] I have checked the existing issues. Is your feature request related to a problem? Markdown Yes, currently, RAGFlow does not support the integration of Ollama's rerank models. This limitation p

infiniflow/ragflow · Posted: 2025-01-07 · Updated: 2026-06-04 · Collected: 2026-10-15

[Feature Request]: Some sort of grouping/folders of datasets or documents

Discussion open

Self Checks - [x] I have searched for existing issues [search for existing issues](https://github.com/infiniflow/ragflow/issues), including closed ones. - [x] I confirm that I am using English to submit this report ([Language Policy](https://github.com/infin

infiniflow/ragflow · Posted: 2026-01-23 · Updated: 2026-10-15 · Collected: 2026-10-15

[Feature Request]: Integrate Docling into ragflow

Discussion open

Is there an existing issue for the same feature request? - [X] I have checked the existing issues. Is your feature request related to a problem? Markdown To do rag on documents, one needs a good document ingestion library. Recently, docling became very po

infiniflow/ragflow · Posted: 2024-11-15 · Updated: 2025-12-05 · Collected: 2026-10-15

[Feature Request]: Update GraphRAG to support LazyGraphRAG

Discussion open

Discussed in https://github.com/orgs/infiniflow/discussions/3843 <div type='discussions-op-text'> <sup>Originally posted by sbmandava December 4, 2024</sup> Feature Enhancement : - Improve GraphRAG performance, quality and cost of tokens consumed.

infiniflow/ragflow · Posted: 2024-12-04 · Updated: 2025-09-24 · Collected: 2026-10-15

[Feature Request]: Automatically run OceanBase/SeekDB CI for related code changes

Discussion open

Is there an existing issue for this? - [x] I have searched the existing open issues for OceanBase/SeekDB CI coverage. Problem Changes to OceanBase/SeekDB-related code should run the corresponding CI tests when CI is enabled for a PR. Keeping the existing

infiniflow/ragflow · Posted: 2026-10-10 · Updated: 2026-10-15 · Collected: 2026-10-15

[Question]:How to add custom metadata columns for document management?

Discussion open

Do you need to ask a question? - [ ] I have searched the existing question and discussions and this question is not already answered. - [x] I believe this is a legitimate question, not just a bug or feature request. Your Question Hi, I’m exploring RAGAny

HKUDS/LightRAG · Posted: 2025-08-20 · Updated: 2025-10-31 · Collected: 2026-10-15

[Feature Request]: Automatic merging of the same entity under different names

Discussion open

Background LightRAG currently merges entities solely based on exact name matches (including captions). This results in multiple disconnected nodes for the same entity under different names, and may even create isolated subgraphs for identical entities, ulti

HKUDS/LightRAG · Posted: 2025-04-09 · Updated: 2026-08-30 · Collected: 2026-10-15

[Question]: why cannot find rerank endpoint/how to configure rerank environment

Discussion open

Do you need to ask a question? - [x] I have searched the existing question and discussions and this question is not already answered. - [x] I believe this is a legitimate question, not just a bug or feature request. Your Question Below is my rerank config

HKUDS/LightRAG · Posted: 2026-07-16 · Updated: 2026-10-14 · Collected: 2026-10-15

[Feature Request]: Add model-agnostic Langfuse observability

Discussion open

Do you need to file a feature request? - [x] I have searched the existing feature request and this feature request is not already filed. - [x] I believe this is a legitimate feature request, not just a question or bug. Feature Request Description Hi folks

HKUDS/LightRAG · Posted: 2026-04-14 · Updated: 2026-05-26 · Collected: 2026-10-15

[Feature Request]: Support Qdrant as vector DB in RagFlow

Discussion open

Self Checks - [x] I have searched for existing issues [search for existing issues](https://github.com/infiniflow/ragflow/issues), including closed ones. - [x] I confirm that I am using English to submit this report ([Language Policy](https://github.com/infin

infiniflow/ragflow · Posted: 2025-03-26 · Updated: 2026-03-16 · Collected: 2026-10-15

[Feature Request] Visualize Title Chunker hierarchy and generated chunks before indexing

Discussion open

Self Checks - [x] I have searched for existing issues [search for existing issues](https://github.com/infiniflow/ragflow/issues), including closed ones. - [x] I confirm that I am using English to submit this report ([Language Policy](https://github.com/infin

infiniflow/ragflow · Posted: 2026-10-13 · Updated: 2026-10-14 · Collected: 2026-10-15

[Feature Request] Backup/Export and Restore/Import of KnowledgeBase and Agents.

Discussion open

Discussed in https://github.com/orgs/infiniflow/discussions/3163 <div type='discussions-op-text'> <sup>Originally posted by sbmandava November 2, 2024</sup> Requirement : Ability to Backup/Export and Restore/Import Agent Workflows or Share Workflows o

infiniflow/ragflow · Posted: 2024-11-04 · Updated: 2026-08-21 · Collected: 2026-10-15

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