ontosmith alternatives

Dongbumlee/ontosmith (178 stars, +178 this week): A decision-model-based ontology & knowledge-graph builder — builds governed knowledge graphs from your documents…

Below are 8 other RAG / vector repos tracked by OSS Radar that share at least two GitHub topics about what they do with ontosmith (platform, language and framework tags don't count), ordered by how closely their topics overlap (rarer shared topics count more), then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. pipeshub-aipipeshub-ai/pipeshub-ai

   +149/wk

   The open-source context layer for AI agents. PipesHub turns your company's knowledge (Slack, Drive, Jira, GitHub, Microsoft 365 and 50+…

   4k stars · Python · shared topics: graphrag, knowledge graph, LLM, RAG · pipeshub-ai alternatives

2. 2. LightRAGHKUDS/LightRAG

   +137/wk

   [EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation.

   41k stars · Python · shared topics: graphrag, knowledge graph, LLM, RAG · LightRAG alternatives

3. 3. AgentGuideadongwanai/AgentGuide

   +233/wk

   An open-source guide to AI agent development, RAG, MCP and agentic RL, plus LLM interview questions for job seekers.

   12k stars · MDX · shared topics: graphrag, LLM, RAG · AgentGuide alternatives

4. 4. WeKnoraTencent/WeKnora

   +603/wk

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

   37k stars · Go · shared topics: LLM, RAG · WeKnora alternatives

5. 5. PageIndexVectifyAI/PageIndex

   +250/wk

   PageIndex: Document Index for Vectorless, Reasoning-based RAG.

   40k stars · Python · shared topics: LLM, RAG · PageIndex alternatives

6. 6. Graphitigetzep/graphiti

   +230/wk

   Build Real-Time Knowledge Graphs for AI Agents.

   33k stars · Python · shared topics: LLM, RAG · Graphiti alternatives

7. 7. AutoRAGMarker-Inc-Korea/AutoRAG

   +156/wk

   Your Personal Librarian Agent. Ask anything on your computer, organize files, remember important info and files.

   5.4k stars · TypeScript · shared topics: LLM, RAG · AutoRAG alternatives

8. 8. issue-ragzaxiu88888/issue-rag

   +139/wk

   RAG over GitHub issues, with a hand-reviewed eval set and an audit of the judge itself. Reports the interval, not just the best number.

   139 stars · Python · shared topics: LLM, RAG · issue-rag alternatives

More: all trending RAG / vector repos · trending LLM repos · trending RAG repos · compare ontosmith with the top 2 · alternatives to other trending repos