Best open source AI tools for small business

1

Ollama

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.

AI & LLM ToolsDocker

182k

AI-nativeOllama has 182,289 GitHub stars, uses the MIT license, ships a Docker image and had 1,083 commits in the last year; it replaces ChatGPT.

2

LocalAI

Run your AI models locally and generate images and audio (alternative to OpenAI and Claude).

AI & LLM ToolsDocker

49k

AI-nativeLocalAI has 49,405 GitHub stars, uses the MIT license, ships a Docker image and had 3,438 commits in the last year; it replaces ChatGPT.

3

LLM Harbor

Containerized LLM toolkit. Run LLM backends, APIs, frontends, and additional services via a concise CLI.

AI & LLM ToolsDocker

3.2k

AI-nativeLLM Harbor has 3,237 GitHub stars, uses the Apache-2.0 license, ships a Docker image and had 1,288 commits in the last year.

1

LibreChat

Enhanced ChatGPT-compatible AI chat interface supporting multiple AI providers, with multi-user auth, message search, and plugin support.

AI & LLM ToolsDocker

45k

AI-nativeLibreChat has 45,318 GitHub stars, uses the MIT license, ships a Docker image and had 2,074 commits in the last year; it replaces ChatGPT and Lovable.

2

Open-WebUI

User-friendly AI Interface, supports Ollama, OpenAI API.

Source-availableAI & LLM ToolsDocker

154k

AI-nativeOpen-WebUI has 154,037 GitHub stars, is source-available under the Open WebUI License (BSD-3-Clause plus branding clause) (not an open-source license), ships a Docker image and had 4,746 commits in the last year; it replaces ChatGPT and Lovable.

3

LobeHub

Modern design AI chat framework supporting multiple AI providers, one click install MCP Marketplace and Artifacts / Thinking.

Source-availableAI & LLM ToolsDocker

83k

AI-nativeLobeHub has 83,008 GitHub stars, is source-available under the LobeHub Community License (not an open-source license), ships a Docker image and had 7,488 commits in the last year; it replaces ChatGPT and Lovable.

4

Onyx Community Edition

Chat UI that works with any LLM. It comes loaded with advanced features like agents, web search, RAG, MCP, deep research, Connectors to 40+ knowledge sources, and more.

AI & LLM ToolsDocker

32k

AI-nativeOnyx Community Edition has 32,332 GitHub stars, uses the MIT license, ships a Docker image and had 5,771 commits in the last year.

1

RAGFlow

Open-source RAG engine with deep document understanding.

AI & LLM ToolsDocker

92k

AI-nativeRAGFlow has 91,708 GitHub stars, uses the Apache-2.0 license, ships a Docker image and had 5,821 commits in the last year.

2

AnythingLLM

All-in-one desktop & Docker AI application with built-in RAG, AI agents, No-code agent builder, MCP compatibility, and more.

AI & LLM ToolsDocker

67k

AI-nativeAnythingLLM has 66,738 GitHub stars, uses the MIT license, ships a Docker image and had 887 commits in the last year; it replaces ChatGPT.

3

Khoj

Your AI second brain. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI.

AI & LLM ToolsDocker

38k

AI-nativeKhoj has 37,565 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 120 commits in the last year; it replaces ChatGPT.

1

Langflow

Visual framework for building and deploying AI agents and RAG workflows.

AI & LLM ToolsDocker

156k

AI-nativeLangflow has 155,530 GitHub stars, uses the MIT license, ships a Docker image and had 2,486 commits in the last year.

2

Dify.ai

Build, test and deploy LLM applications.

Source-availableLow-code & BackendDocker

158k

AI-nativeDify.ai has 157,921 GitHub stars, is source-available under the Dify Open Source License (modified Apache 2.0) (not an open-source license), ships a Docker image and had 6,112 commits in the last year; it replaces ChatGPT and Lovable.

3

n8nFeatured

Free node based Workflow Automation Tool. Easily automate tasks across different services.

Source-availableAutomation & WorkflowsDocker

207k

n8n has 206,738 GitHub stars, is source-available under the Sustainable Use License 1.0 (not an open-source license), ships a Docker image and had 9,029 commits in the last year; it replaces Zapier and IFTTT.

4

Activepieces

No-code business automation tool like Zapier or Tray. For example, you can send a Slack notification for each new Trello card.

Automation & WorkflowsDocker

25k

AI-nativeActivepieces has 24,913 GitHub stars, uses the MIT license, ships a Docker image and had 5,647 commits in the last year; it replaces Zapier and IFTTT.

1

Paperless-ngx

Scan, index, and archive all of your paper documents with an improved interface (fork of Paperless).

Document ManagementDocker

46k

AI-nativePaperless-ngx has 46,308 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 1,625 commits in the last year.

2

Odoo

Free open source ERP system.

ERP & InventoryDocker

55k

Odoo has 54,848 GitHub stars, uses the LGPL-3.0 license, ships a Docker image and had 10,679 commits in the last year; it replaces QuickBooks and Square POS.

3

ERPNext

ERP system to help you run your business.

ERP & InventoryDocker

40k

ERPNext has 39,821 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 6,664 commits in the last year; it replaces QuickBooks and Square POS.

4

Chatwoot

Customer communication platform (alternative to Intercom and Zendesk).

Team ChatDocker

38k

Chatwoot has 37,569 GitHub stars, uses the MIT license, ships a Docker image and had 1,379 commits in the last year; it replaces Zendesk and Intercom.