Open Source Alternatives to Civitai
60 open source Generative AI options similar to Civitai, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Hugging Face76AINew York, United States$395.2MHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
RelAI49Agentic AISan Francisco, United States$6.9MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
KiloClaw46Artificial IntelligenceA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
- GEGeniA6Agentic AI
Open-source AI platform engineering team member for production environments, automating tasks and learning tools.
Open source · Self-hostable
Together AI75AI InfrastructureSan Francisco, United States$906.0MTogether AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.
Open source · Self-hostable
Kyutai68Frontier AI LabParis, France$300.0MA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Nous Research66Frontier AI LabAustin, United States$145.0MOpen-source AI research lab training decentralized large language models and building infrastructure for accessible AI.
Open source · Self-hostable
z.ai64Frontier AI LabBeijing, China$1.3BDeveloping advanced AI models with a focus on reducing hallucinations, including large language models, vision language models, and text-to-video models.
Open source
H2O.ai64Foundation ModelMountain View, United States$228.1MAn open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
Trigger Device Inc59AI AgentLondon, United Kingdom$16.5MAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
Nomic AI59AI InfrastructureNew York City, United States$19.0MNomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.
Open source · Self-hostable
Mem056Agentic AISan Francisco, United States$23.9MPersistent memory layer for AI agents and applications.
Open source · Self-hostable
DeepSeek54Frontier AI LabHangzhou, China$7.4BDeepSeek is a Chinese AI company developing open-weight large language models and an AI assistant, aiming to achieve Artificial General Intelligence.
Open source
Feast AI54MLOpsSan Francisco, United StatesAn open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
Auto-GPT53Agentic AI$12.0MOpen-source autonomous AI agent platform that automates complex digital workflows.
Open source · Self-hostable
Comfy Org53AI Image Generation$30.0MComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
LiteLLM53Foundation ModelSan Francisco, United StatesAn open-source Python library providing a unified interface for interacting with various LLM providers.
Open source · Self-hostable
Ollama52Foundation ModelSan Francisco, United States$65.0MRun large language models locally on your machine.
Open source · Self-hostable
Mastodon51Social MediaJena, Germany$63.0MA decentralized, open-source social media platform and alternative to larger apps like X and Threads.
Open source · Self-hostable
Visual Layer50DatabaseTel Aviv, Israel$7.0MAI-powered database for visual data, enabling intelligent search and analysis of images and videos.
Open source · Self-hostable
All-Hands AI49Agentic AIBoston, United States$5.0MAn open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
GitHits45Developer ToolsHelsinki, Finland$1.5MThe Google of code search for open-source.
Open source · Self-hostable
Arcee44Foundation ModelSan Francisco, United StatesArcee provides U.S.-made, open source large language models and checkpoints for insight into raw model intelligence.
Open source · Self-hostable
K-Scale Labs40Frontier AI LabSan Francisco, United StatesBuilding general-purpose AI for a future of material abundance.
Open source · Self-hostable
Superagent35Agentic AISan Francisco, United StatesOpen-source infrastructure for coding agents, enabling AI to plan, generate, and deploy software autonomously.
Open source · Self-hostable
Recognai, S.L.U.31Data CurationBarcelona, SpainCompany
Open source
CRAB27Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
CAMEL-AI.org27Agentic AIOpen-source community discovering scaling laws of intelligent agents for data generation, world simulation, and task automation.
Open source · Self-hostable
GPT4All26Foundation ModelNew York, United StatesOpen-source, privacy-focused AI assistant that runs locally on your hardware.
Open source · Self-hostable
Kilo Code24Agentic AISan Francisco, United StatesOpen-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.
Open source · Self-hostable
Lemmy23Social MediaA decentralized, open-source social link aggregator and discussion platform for communities.
Open source · Self-hostable
- AGAgent4Rec20Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
Outshift19Agentic AICisco's internal incubation engine for emerging technologies like agentic AI and quantum networking.
Open source · Self-hostable
- BABabyAGI17Agentic AI
Experimental open-source framework for building self-building autonomous agents with a novel function framework.
Open source · Self-hostable
LLMStack16Agentic AIOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
OpenDevin12AI PlatformAn open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
Langchain-Chatchat10Open SourceOpen-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
Open source · Self-hostable
MCP.so10Developer ToolsA community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.
Open source · Self-hostable
Codel8Agentic AIAn open-source, autonomous AI agent for complex tasks using terminal, browser, and editor interactions.
Open source · Self-hostable
- HUHumanSignal7Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
- AGAgent Pilot7Agentic AI
An open-source platform for creating, managing, and interacting with AI workflows and agents.
Open source · Self-hostable
Databricks82Data AnalyticsSan Francisco, United States$30.7BA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Mastra74AI AgentSan Francisco, United States$35.5MAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Open source · Self-hostable
Elementor69WebsiteRamat Gan, Israel$65.8MElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
Hyperbolic61AI InfrastructureSan Francisco, United States$19.7MOpen-access AI cloud platform providing affordable, on-demand GPUs for training and serving AI models.
Open source
Vanna AI57Agentic AINew York, United States$2.5MAn open-source AI-powered SQL agent for natural language database interaction and data insights.
Open source · Self-hostable
Elementary Data55Data ObservabilityTel Aviv, IsraelElementary Data provides a unified data control plane for the AI era, offering observability, quality, governance, and discovery for data and AI reliability.
Open source
Ghost53Publishing PlatformSingapore, Singapore$7.4MAn open-source platform for professional publishers to create, share, and grow a business around their content.
Open source · Self-hostable
BrowserUse52Agentic AISan Francisco, United States$17.0MProvides tools and services for automated browser testing and scraping.
Open source · Self-hostable
Vocode50Open SourceSan Francisco, United States$3.3MOpen-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49Conversational AIBerlin, Germany$13.0MOpen-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Coqui48Voice AIBerlin, GermanyOpen-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
Defcon47HardwareMcLean, United States$44.0MThe Defcon badges feature a unique open-source chip that doubles as a security key.
Open source
SmythOS45Agentic AISan Francisco, United StatesOpen-source AI operating system for launching and scaling specialized AI agent networks.
Open source · Self-hostable
Keep45EnterpriseSan Francisco, United States$2.5MOpen-source alert management platform using AI to reduce noise and improve alert actionability for engineers.
Open source · Self-hostable
Bubble Lab45Artificial IntelligenceOpen-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Assistant-ui43AI Chat InterfaceSan Francisco, United States$500KOpen-source React library for building production-grade AI chat interfaces.
Open source · Self-hostable
Future AGI43Agentic AISan Francisco, United StatesAn open-source, end-to-end AI agent engineering platform for simulating, evaluating, and optimizing LLM applications.
Open source · Self-hostable
BenchFlow42Frontier AI LabSan Francisco, United States$1.0MBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source