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Open Source

Open-source tools with freely available source code you can inspect, modify, and self-host.

Activepieces AI
Activepieces AIActivepieces is an open-source AI automation platform with 642+ integrations, no-code AI agent building, and enterprise-grade governance for IT teams. Start free or self-host.
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Workflow Automation Tools·AI Agents·No-Code Automation Tools
Adala AI Labeling
Adala AI LabelingAdala is an open-source autonomous data labeling agent framework by HumanSignal. Build LLM-powered agents that learn and apply data processing skills iteratively.
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Automation & Agents·Data & Analytics·AI Models & Infrastructure
AgentVerse
AgentVerseAgentVerse is an open-source framework for deploying multiple LLM-based agents in task-solving and simulation applications. Build collaborative AI agent systems with ease.
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Automation & Agents·AI Agents·AI Frameworks
AI2 (Allen Institute for AI)
AI2 (Allen Institute for AI)Ai2 is a nonprofit AI research institute offering fully open LLMs, multimodal models, and AI platforms for science, environment, and robotics. Explore OLMo, Molmo, Semantic Scholar, and more.
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AI Models & Infrastructure·Foundation Models·AI Research Tools
A
Aider AI CodingAider is an open-source AI pair programming tool that lets developers collaborate with Claude, GPT-4o, DeepSeek, and more — directly from the terminal with full Git integration.
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AI Code Editors·AI Coding Agents·Command Line Tools
AIGCPanel
AIGCPanelAIGCPanel is a free, open-source AI digital human platform supporting video synthesis, voice cloning, voice synthesis, and live streaming with local model management on Windows, macOS, and Linux.
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Video Avatar Generators·Text to Speech Tools·Voice Cloners
Anaconda AI Notebook
Anaconda AI NotebookAnaconda is the trusted open-source platform for Python data science and enterprise AI. Manage packages, build AI models, and deploy at scale with built-in governance.
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Coding & Development·Data & Analytics·AI Models & Infrastructure
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AnimateDiffAnimateDiff is an open-source framework that injects a motion modeling module into personalized Stable Diffusion models to generate animated images from text prompts—no fine-tuning required.
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Image Generation·Art Generators·AI Video Generators
AppFlowy AI
AppFlowy AIAppFlowy is an open-source AI collaborative workspace combining projects, wikis, tasks, and databases with local and cloud AI support, full data ownership, and cross-device sync.
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Productivity·Note Taking Apps·Project Management Tools
Argilla Data Platform
Argilla Data PlatformArgilla is an open-source platform where AI engineers and domain experts collaborate to build high-quality datasets for LLM fine-tuning, RLHF, and NLP model evaluation.
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Data & Analytics·AI Models & Infrastructure·LLM Developer Tools
Arize AI
Arize AIArize AI provides unified LLM observability, agent tracing, and evaluation for AI teams — from development to production. Includes open-source Phoenix and enterprise AX.
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Data & Analytics·LLM Developer Tools·AI Infrastructure Tools
Arize Phoenix AI
Arize Phoenix AIArize Phoenix is an open-source LLM observability platform built on OpenTelemetry. Instrument, trace, evaluate, and optimize AI applications in real time—framework-agnostic and vendor-lock-in free.
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LLM Developer Tools·AI Infrastructure Tools·AI Research Tools
AutoChain
AutoChainAutoChain is an open-source Python framework for building lightweight, extensible, and testable LLM-powered generative agents. Created by Forethought Technologies.
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AI Agents·LLM Developer Tools·AI Frameworks
AutoGPT
AutoGPTAutoGPT is an open-source platform with 180k+ stars for building, deploying, and running autonomous AI agents that automate complex multi-step workflows.
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Automation & Agents·AI Agents·AI Frameworks
Automatic1111 Stable Diffusion Web UI
Automatic1111 Stable Diffusion Web UIThe most popular open-source Stable Diffusion web UI. Run AI image generation locally with text-to-image, img2img, inpainting, LoRA support, and hundreds of extensions.
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AI Image Generators·Photo Editors·Art Generators
BabyAGI
BabyAGIBabyAGI is a pioneering open-source framework for self-building autonomous AI agents that plan, prioritize, and execute tasks using large language models.
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Automation & Agents·AI Models & Infrastructure·AI Frameworks
BentoML / Bento Inference Platform
BentoML / Bento Inference PlatformDeploy any AI/ML model anywhere with BentoML's inference platform. Self-host on your cloud or use Bento Cloud for elastic scaling, performance optimization, and full infrastructure control.
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AI Models & Infrastructure·DevOps Tools·LLM Developer Tools
Browserbase
BrowserbaseRun Playwright, Puppeteer, and Selenium at scale with Browserbase. Cloud headless browser infrastructure with stealth mode, session persistence, and live debugging for AI agents and web automation.
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Automation & Agents·AI Agents·LLM Developer Tools
Chainlit AI Chat UI
Chainlit AI Chat UIChainlit is an open-source Python framework to build, deploy, and evaluate production-grade conversational AI applications with built-in authentication, observability, and LLM integrations.
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AI Chatbots·LLM Developer Tools·AI Frameworks
ChatDev
ChatDevChatDev 2.0 is a zero-code, open-source multi-agent framework where AI agents collaborate across developer roles to build complete software from a single prompt.
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Automation & Agents·AI Coding Agents·AI Frameworks·No-Code AI Builders
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