Open Source Alternatives to Haao
60 open source AI Search Engine options similar to Haao, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Andraste29Agentic AIOpen source
Kaliai10Foundation ModelInnovative AI solutions to unleash intelligence and drive business forward.
Open source
Goumi7Foundation ModelHands-free cooking app guided by voice commands with AI-generated recipes.
Open source
Tosly.online8Agentic AIAI-powered Chrome extension that scans Terms of Service and highlights predatory clauses.
Open source
Perplexity AI72Search EngineSan Francisco, United States$591.4MAI-powered search engine that delivers real-time, cited answers to complex questions.
Open source
Evolvinglab14Agentic AIBrowse and replay Agent-Native Research Artifacts — claims wired to evidence, dead ends included.
Open source
GPT Researcher13Agentic AIAn autonomous AI research agent that automates source gathering, organizes findings, and generates comprehensive research reports.
Open source
Biblelens6AI Search EngineOpen source
Anon55Agentic AI$6.5MIntegration platform for the AI Internet, enabling AI agents to act on behalf of users on websites without APIs.
Open source
Zed46Agentic AISan Francisco, United States$95.5MZed is a company focused on building AI agents for various applications, including search and browsing.
Open source
Briefbridge36AI Search Engine$1.5MSearch Australian case law by what it means, not what it says. Grounded answers, verifiable citations, paragraph by paragraph.
Open source
Noumena AI35Agentic AIתל אביב - יפו, IsraelEngineered for Experts. Built for Mastery.
Open source
- Why-Health29Productivity
An AI-powered personal intelligence layer that automates everyday tasks and decisions.
Open source
TinyFish23Artificial IntelligenceSan Francisco, United StatesAI-powered search engine aiming to revolutionize information discovery.
Open source
Paperswan9AI Search EngineOpen source
Cybernomic9Foundation ModelAn upcoming platform leveraging AI technology for exploration and updates.
Open source
Secondarybrain8AI Search EngineAI-powered personal knowledge management and productivity tool.
Open source
Askjoyna8Agentic AIAI-powered platform that helps creators and businesses manage their online presence and customer interactions.
Open source
Redbuy8E-commerceOpen source
Hainexus6Foundation ModelDiscover innovative AI solutions with Hainexus to transform your business with cutting-edge technology.
Open source
Dowjo6Foundation ModelDowjo is preparing to launch its generative AI product, inviting users to sign up for updates.
Open source
PrivateGPT5AI Search EngineToronto, CanadaA privacy-preserving AI platform that redacts sensitive data from text and audio, enabling safe use of large language models.
Open source · Self-hostable
BieniekAgentic AIBieniek is an AI company focused on developing advanced AI agents for complex tasks.
Open source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Chinese AI startup developing advanced large language models and AI agents, including the Kimi chatbot, with a focus on AGI research.
Open source
Tavily57Generative AITel Aviv, Israel$5.0MAI-native search engine API for RAG and AI agents, providing factual and reliable information.
Open source
Vectara56Agentic AIPalo Alto, United States$40.0MVectara provides an enterprise-ready AI Agent and Assistant platform with secure RAG.
Open source
Taskade49SpaceTechNew York, United States$1.0MAI-powered workspace for task automation, research, and team collaboration.
Open source
Answers36AI Search EngineSan Francisco, United States$1.5BA Q&A website and cloud-based solutions provider for customer engagement.
Open source
Vibranium Dome24AI AgentsNext-gen API security for semantic applications and LLMs.
Open source · Self-hostable
Melodocs20Foundation ModelMelodocs is launching soon with innovative technology solutions for website traffic analysis and optimization.
Open source
Open and Async10Agentic AISan Francisco, United StatesAI-powered platform for asynchronous communication and knowledge management.
Open source
Webml9Agentic AIWebML is a personal lab for browser-based AI, enabling local inference, client-side RAG, and voice agents that run entirely within a browser tab using WebGPU.
Open source
Geo Plus9Agentic AIAI company enhancing human capabilities with advanced AI solutions.
Open source
Uszoning8AI Search EngineOpen source
Commitbench8AI Coding AssistantA coding agent designed to rebuild a repository's commit history.
Open source
Clauderizer8AI Coding AssistantClauderizer gives your amnesiac coding agent a persistent memory for plans, decisions, and dependencies.
Open source
Barakuda7Innovation LabBarakuda.ai is launching innovative technological solutions, inviting users to subscribe for updates.
Open source
Fastclaude6AI Search EngineOpen source
Wulverstone6Foundation ModelA placeholder page for a website under construction, with a future product or service launch planned.
Open source
Keyboardsignal6Generative AIA company launching soon, providing updates and information via its website.
Open source
Tripvalet6Travel TechOpen source
Dust64Agentic AIParis, France$15.0MPlatform for building and deploying custom AI agents connected to company knowledge and tools.
Open source
Arena63Artificial IntelligenceBerkeley, USA$250.0MThe de facto public leaderboard for frontier LLMs.
Open source
Elicit62Artificial IntelligenceOakland, United States$31.0MAI-powered research assistant for scientific literature review and data extraction.
Open source
Nomic AI59AI Infrastructure StackNew 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
Composio57Agentic AISan Francisco, United States$50.0MAI skill layer enabling agents to reliably interact with over 3000 real-world tools and APIs.
Open source
Artificial Societies55Agentic AISan Francisco, United States$4.8MBuilding AI agents that can autonomously navigate and interact with the digital world.
Open source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MAI-powered legal research and analysis platform for legal professionals.
Open source
Brave Search API51AI Search EngineSan Francisco, United StatesAn independent, privacy-focused search API powering AI applications with real-time web data.
Open source
Fundamental Research Labs49Frontier AI LabSan Francisco, United States$10.0MAI research lab building autonomous, collaborative, and socially intelligent digital human beings.
Open source
Entire49Artificial Intelligence$60.0MAn open-source tool to help developers manage code written by AI agents.
Open source · Self-hostable
Chalk.ai48LegalTechSan Francisco, United StatesChalk is the AI data platform that delivers real-time context and compute infrastructure for agents and ML models — deployed in your cloud, built for speed.
Open source
Seek AI46AI Coding AssistantTel Aviv, IsraelOpen source
Isacus46LegalTechTel Aviv, Israel$700KDevelops effective, efficient, and scalable foundational legal AI models for information retrieval and document analysis.
Open source
GitHits45Developer ToolsHelsinki, Finland$1.5MThe Google of code search for open-source.
Open source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesAn agentic coding environment with native spec-driven development.
Open source
Raindrop41AI Search EngineMoscow, Russia$32.8MAI-powered bookmark manager and knowledge base for organizing web content.
Open source
MemGPT39Foundation ModelMemGPT provides LLMs with extended context by intelligently managing different storage tiers.
Open source
- MIMind Lab35Artificial IntelligenceSan Francisco, United States
Developing efficient memory mechanisms for AI agents using delta-mem technology.
Open source
GrackerAI34Agentic SEOTel Aviv, IsraelAI-powered programmatic SEO platform for B2B SaaS to scale content and dominate search categories.
Open source