Open source AI & LLM tools

28 open-source tools in this category.

Showing 6 results in Agent & LLM App Frameworks

Langflow

Langflow

Visual builder for AI agents and RAG pipelines — LangChain-powered.

MIT-licensed alternative to Flowise with Python code nodes, multi-agent orchestration, and vector store integration. pip install or Docker.

aiagentsrag
149.1K9.2KMIT
vs Flowise
Dify

Dify

Open-source LLM app platform — visual workflow, RAG, agents, 100+ models.

Apache-2.0 platform with Prompt IDE, RAG pipelines, agent framework, and model management. Self-host with Docker or use cloud.dify.ai.

aiagentsrag
143.5K22.6KApache-2.0
vs OpenAI
Flowise AI

Flowise AI

Visual drag-and-drop builder for AI agents and LLM pipelines.

Apache-2.0 alternative to Langflow with chatflow and agentflow paradigms, embeddable chatbot widgets, and API endpoints. npm install and start.

aiagentsrag
53.3K24.5KApache-2.0
vs Relevance AI
CopilotKit

CopilotKit

Build AI copilots for your product — React components in minutes.

MIT-licensed framework with drop-in CopilotKit components, CoAgents for human-in-the-loop, and LangChain integration. Works with OpenAI, Anthropic, and custom LLMs.

aicopilotui
31.9K4.1KMIT
vs Vercel AI
Letta

Letta

Stateful AI agents with persistent memory — formerly MemGPT, agents learn and self-improve over time

Stateful AI agent framework with persistent memory — formerly MemGPT. Agents learn, self-improve, and retain context across sessions. Open-source alternative to LangChain.

aiagentsmemory
23.1K2.5KApache-2.0
vs LangChain
Suna

Suna

AI agent that autonomously handles real-world tasks.

Source-available agent platform with browser automation, file management, and web scraping. Deploy autonomous agents for research and operations.

aiagentsautomation
19.8K3.4KSource-available
vs AutoGPT