Alternatives
Self-hosted alternatives to Claude
Projects in the registry that can run on your own hardware and serve at least one of the same use cases as Claude.
- Source
- Registry relations over fetched repository records — the evidence sits on each repository page
- Verified
- Evidence not verified
- Confidence
- High
01How this list was built
- Compared against
- Claude
- Delivery
- SaaS products
- Shared use cases
- Private company ChatGPT, Document Q&A, Contract review, Report generation, Email drafting, Translation, Spreadsheet analysis
- Selection rule
- open source, or self-hostable, and shares a use case
- Candidates found
- 18
02Alternatives
AnythingLLM
Hybrid — hosted or self-hosted
Desktop and server application that turns a document set into a chat workspace, with per-workspace embeddings, multiple model back ends and a built-in vector store.
- Repository
- Mintplex-Labs/anything-llm
- Stars
- 65,673
- Licence
- MIT
- In stacks
- 0
Shares: Private company chatgpt · Document qa
authentik
Hybrid — hosted or self-hosted
Identity provider with OpenID Connect, SAML and proxy-based authentication, application-level policies and a forward-auth outpost for services that have no login of their own.
- Repository
- goauthentik/authentik
- Stars
- 25,644
- Licence
- Other
- In stacks
- 0
Shares: Private company chatgpt
Chroma
Hybrid — hosted or self-hosted
Embedded and server-mode vector store with a small API surface, often used for prototypes and single-node retrieval before a larger engine is justified.
- Repository
- chroma-core/chroma
- Stars
- 29,329
- Licence
- Apache-2.0
- In stacks
- 0
Shares: Document qa
Dify
Hybrid — hosted or self-hosted
Platform for building LLM applications: visual workflow editor, retrieval pipelines, agent tools, prompt management and an API layer. Available self-hosted or as a managed cloud service.
- Repository
- langgenius/dify
- Stars
- 153,448
- Licence
- Other
- In stacks
- 1
Shares: Private company chatgpt · Document qa
Docling
Libraries
Document conversion toolkit that parses PDF, Office and image files into structured Markdown or JSON, preserving reading order, tables and figures for downstream retrieval.
- Repository
- docling-project/docling
- Stars
- 65,519
- Licence
- MIT
- In stacks
- 5
Shares: Document qa
Flowise
Hybrid — hosted or self-hosted
Visual builder for LLM chains and agents, with retrieval nodes, tool calling and an API or embeddable chat widget for the finished flow.
- Repository
- FlowiseAI/Flowise
- Stars
- 55,469
- Licence
- Other
- In stacks
- 0
Shares: Document qa
Jan
Hybrid — hosted or self-hosted
Open-source desktop assistant that runs open-weight models locally and can also call remote endpoints. The open alternative to LM Studio for a single-machine deployment.
- Repository
- janhq/jan
- Stars
- 44,559
- Licence
- Other
- In stacks
- 0
Shares: Document qa
Keycloak
Self-hosted projects
Identity and access management server providing OpenID Connect and SAML single sign-on, user federation, groups and roles for self-hosted applications.
- Repository
- keycloak/keycloak
- Stars
- 36,449
- Licence
- Apache-2.0
- In stacks
- 4
Shares: Private company chatgpt
Kotaemon
Self-hosted projects
Document question-answering application with a configurable retrieval pipeline, inline citations that highlight the source passage, and support for local or hosted models.
- Repository
- Cinnamon/kotaemon
- Stars
- 25,775
- Licence
- Apache-2.0
- In stacks
- 0
Shares: Document qa
LangChain
Frameworks
Library for composing model calls, retrieval and tools into applications, with adapters for most providers and vector stores. A building block, not a deployable product.
- Repository
- langchain-ai/langchain
- Stars
- 146,657
- Licence
- MIT
- In stacks
- 0
Shares: Document qa
Langflow
Hybrid — hosted or self-hosted
Visual environment for composing LLM pipelines and agents from components, with export to a Python application or an API endpoint.
- Repository
- langflow-ai/langflow
- Stars
- 155,003
- Licence
- MIT
- In stacks
- 0
Shares: Document qa
Langfuse
Hybrid — hosted or self-hosted
Tracing, evaluation and prompt management for LLM applications, self-hostable so prompts and responses can stay inside the network being audited.
- Repository
- langfuse/langfuse
- Stars
- 34,243
- Licence
- Other
- In stacks
- 1
Shares: Private company chatgpt
LibreChat
Self-hosted projects
Self-hosted multi-model chat application with authentication, per-conversation model switching, plugins, file upload and an admin configuration file. Familiar interface for staff moving off consumer tools.
- Repository
- danny-avila/LibreChat
- Stars
- 42,850
- Licence
- MIT
- In stacks
- 0
Shares: Private company chatgpt · Email drafting · Document qa
LiteLLM
Cloud platforms
Gateway that presents one OpenAI-compatible API in front of many providers and local servers, with per-team keys, budgets, rate limits, fallbacks and request logging.
- Repository
- BerriAI/litellm
- Stars
- 57,216
- Licence
- Other
- In stacks
- 3
Shares: Private company chatgpt
LlamaIndex
Frameworks
Data framework for retrieval applications: loaders for many document types, indexing and query pipelines, and evaluation helpers for retrieval quality.
- Repository
- run-llama/llama_index
- Stars
- 52,226
- Licence
- MIT
- In stacks
- 0
Shares: Document qa
LMDeploy
Model servers
Serving toolkit from the InternLM team with its own inference engine and quantisation tooling, and strong coverage of Chinese open-weight model families.
- Repository
- InternLM/lmdeploy
- Stars
- 8,082
- Licence
- Apache-2.0
- In stacks
- 0
Shares: Translation
LM Studio
Hybrid — hosted or self-hosted
Desktop application for downloading and running open-weight models locally, with a chat interface and a local OpenAI-compatible server. Windows, macOS and Linux.
- Repository
- none linked
- Stars
- —
- Licence
- unknown
- In stacks
- 1
Shares: Document qa
Marker
Libraries
PDF-to-Markdown converter aimed at long documents, with optional model-assisted correction. Published under a licence with a revenue condition — read it before commercial use.
- Repository
- datalab-to/marker
- Stars
- 39,841
- Licence
- Apache-2.0
- In stacks
- 0
Shares: Document qa
03Repository facts
| Repository | Stars | Health |
|---|---|---|
| Mintplex-Labs/anything-llmStop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience | 66k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 95%, Community 96%71 |
| goauthentik/authentikThe authentication glue you need. | 26k | Maintenance 80%, Releases 80%, Contributors 50%, Issues 57%, Community 88%75 |
| chroma-core/chromaSearch infrastructure for AI | 29k | Maintenance 80%, Releases 40%, Contributors 50%, Issues 70%, Community 89%69 |
| langgenius/difyBuild Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack. | 153k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 94%, Community 100%72 |
| docling-project/doclingGet your documents ready for gen AI | 66k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 85%, Community 96%70 |
| FlowiseAI/FlowisearchivedBuild AI Agents, Visually | 55k | Maintenance 0%, Releases 60%, Contributors 50%, Issues 81%, Community 95%51 |
| janhq/janJan is an open source alternative to ChatGPT that runs 100% offline on your computer. | 45k | Maintenance 80%, Releases 60%, Contributors 50%, Issues 88%, Community 93%76 |
| keycloak/keycloakOpen Source Identity and Access Management For Modern Applications and Services | 36k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 14%, Community 91%62 |
| Cinnamon/kotaemonAn open-source RAG-based tool for chatting with your documents. | 26k | Maintenance 40%, Releases 40%, Contributors 50%, Issues 90%, Community 88%59 |
| langchain-ai/langchainThe agent engineering platform. | 147k | Maintenance 80%, Releases 60%, Contributors 50%, Issues 96%, Community 100%78 |
| langflow-ai/langflowLangflow is a powerful tool for building and deploying AI-powered agents and workflows. | 155k | Maintenance 80%, Releases 60%, Contributors 50%, Issues 93%, Community 100%78 |
| langfuse/langfuseOpen source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. YC W23 | 34k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 73%, Community 91%68 |
| danny-avila/LibreChatEnhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active | 43k | Maintenance 60%, Releases 30%, Contributors 50%, Issues 83%, Community 93%63 |
| BerriAI/litellmThe fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM] | 57k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 14%, Community 95%63 |
| run-llama/llama_indexLlamaIndex is the document processing platform for AI | 52k | Maintenance 80%, Releases 60%, Contributors 50%, Issues 85%, Community 94%76 |
| InternLM/lmdeployLMDeploy is a toolkit for compressing, deploying, and serving LLMs. | 8.1k | Maintenance 80%, Releases 60%, Contributors 50%, Issues 26%, Community 78%66 |
| datalab-to/markerConvert PDF to markdown + JSON quickly with high accuracy | 40k | Maintenance 60%, Releases 60%, Contributors 50%, Issues 88%, Community 92%69 |
04Ask about your own case
Which alternative is right depends on how many people will use it, what the data is and what you can operate. Ask and the answer is researched for your organisation.