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Open Source AI Agent Platforms using OpenAI

A curated collection of the best open source platforms for creating and managing autonomous AI agents. using OpenAI.

Favicon of Parlant

Parlant

AI
Structured control layer for customer-facing AI agents

  • Stars

    18,299

  • Last commit

    3 months ago

  • License

    Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.

Open Source Alternative to:

Favicon of Voiceflow
Voiceflow
Favicon of Hermes Agent

Hermes Agent

AI
Desktop AI agent with persistent memory across platforms

  • Stars

    250,957

  • Last commit

    5 hours ago

  • License

    MIT
Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.

Open Source Alternative to:

Favicon of Grok Bot
Grok Bot
Favicon of Dify

Dify

AI
Build and deploy AI agents and RAG pipelines visually

  • Stars

    157,775

  • Last commit

    9 hours ago

  • License

    Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of Langflow

Langflow

AI
Visual builder for AI agents and RAG pipelines

  • Stars

    155,479

  • Last commit

    6 hours ago

  • License

    MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Open Source Alternative to:

Favicon of Voiceflow
Voiceflow
Favicon of LobeChat

LobeChat

AI
Manage, build, and run AI agent teams around the clock

  • Stars

    82,966

  • Last commit

    6 hours ago

  • License

    Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of LibreChat

LibreChat

AI
One interface for all your AI models and conversations

  • Stars

    45,224

  • Last commit

    6 hours ago

  • License

    MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Agno

Agno

AI
Model-agnostic platform for building intelligent AI agents

  • Stars

    42,533

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.

Open Source Alternative to:

Favicon of Kiro
Kiro
Favicon of CopilotKit

CopilotKit

AI
Build AI copilots for your product in hours, not months

  • Stars

    37,713

  • Last commit

    1 day ago

  • License

    MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

Favicon of LangChain
LangChain
Favicon of Flowise AI

Flowise AI

AI
Visual builder for AI agents and LLM workflows

  • Stars

    55,486

  • Last commit

    2 months ago

  • License

    Apache-2.0
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of Kortix

Kortix

AI
AI workforce platform where agents, skills, and memory live in your repo

  • Stars

    20,243

  • Last commit

    5 hours ago

  • License

    Elastic-2.0
Manages a team of AI agents across your company, with every agent, skill, memory, and connector stored as versioned files in a git repo you own and self-host.

Open Source Alternative to:

Favicon of Manus
Manus
Favicon of Botpress

Botpress

AI
Build powerful AI agents with cutting-edge LLM technology

  • Stars

    14,932

  • Last commit

    1 day ago

  • License

    MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of Rivet

Rivet

Build stateful backends with in-memory actors

  • Stars

    6,223

  • Last commit

    23 hours ago

  • License

    Apache-2.0
Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.

Open Source Alternative to:

Favicon of Cloudflare Workers
Cloudflare Workers
Favicon of ACI.dev

ACI.dev

AI
Build reliable AI agents with unified tool integration

  • Stars

    4,905

  • Last commit

    4 months ago

  • License

    Apache-2.0
Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server

Open Source Alternative to:

Favicon of Pipedream
Pipedream
Favicon of Letta

Letta

AI
Stateful AI agents that remember, learn, and improve over time

  • Stars

    3,507

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Build persistent AI agents with continuous memory, scheduled tasks, and multi-channel communication via Slack, Discord, and Telegram, using your own API keys.

Open Source Alternative to:

Favicon of Supermemory
Supermemory
Favicon of Giselle

Giselle

AI
Build and deploy AI agents through visual workflows

  • Stars

    556

  • Last commit

    3 days ago

  • License

    Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
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