Open Source Alternatives to Brainsvault
60 open source Personal Knowledge Management options similar to Brainsvault, 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.
Open and Async10Agentic AISan Francisco, United StatesAI-powered platform for asynchronous communication and knowledge management.
Open source
Perplexity AI71Search EngineSan Francisco, United States$591.4MAI-powered search engine that delivers real-time, cited answers to complex questions.
Open source
Elicit62Artificial IntelligenceOakland, United States$31.0MAI-powered research assistant for scientific literature review and data extraction.
Open source
Vectara60Agentic AIPalo Alto, United States$40.0MVectara provides an enterprise-ready AI Agent and Assistant platform with secure RAG.
Open source
Tavily57Generative AITel Aviv, Israel$5.0MAI-native search engine API for RAG and AI agents, providing factual and reliable information.
Open source
Taskade49SpaceTechNew York, United States$1.0MAI-powered workspace for task automation, research, and team collaboration.
Open source
Raindrop40AI Search EngineMoscow, Russia$32.8MAI-powered bookmark manager and knowledge base for organizing web content.
Open source
Briefbridge36AI Search Engine$1.5MAI-powered platform for summarizing and understanding complex documents and information.
Open source
Andraste29Agentic AIAI-powered platform for automating and optimizing creative workflows for businesses.
Open source
Readwise Reader25Consumer AppRaleigh, United StatesAn all-in-one reading app that syncs highlights from various sources and offers AI-powered features.
Open source
Recallguru22AI Search EngineAI-powered platform for managing and recalling information from meetings and documents.
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
Kaliai10Foundation ModelInnovative AI solutions to unleash intelligence and drive business forward.
Open source
Paperswan9AI Search EngineAI-powered platform for automating document analysis and knowledge extraction.
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- buddy.9AI Agent
One buddy that sees what you see, remembers what matters, and lives in the corner of your screen.
Open source
Askjoyna8Agentic AIAI-powered platform that helps creators and businesses manage their online presence and customer interactions.
Open source
Redbuy8E-commerceAI-powered platform for optimizing e-commerce product listings and content.
Open source
Secondarybrain8AI Search EngineAI-powered personal knowledge management and productivity tool.
Open source
Goumi7Foundation ModelHands-free cooking app guided by voice commands with AI-generated recipes.
Open source
Tripvalet6Travel TechAI-powered platform for personalized travel planning and booking.
Open source
Fastclaude6AI Search EngineAI-powered platform for generating and managing Claude AI prompts and workflows.
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
Algolia75Search TechnologySan Francisco, United States$334.2MSaaS search platform for websites and applications, offering AI-powered search and discovery solutions.
Open source
Coveo75AI Search EngineQuebec City, Canada$315.0MAI-powered relevance platform for personalized digital experiences in e-commerce, service, and workplaces.
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
Dust65Agentic AIParis, France$15.0MPlatform for building and deploying custom AI agents connected to company knowledge and tools.
Open source
Rewind62Personal Agent Data VaultOttawa, CanadaAI-powered personal memory assistant that records and searches your digital life.
Open source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MAn AI coworker that lives in Slack and Microsoft Teams and works across the tools companies already use.
Open source
Composio59Agentic AISan Francisco, United States$50.0MAI skill layer enabling agents to reliably interact with over 3000 real-world tools and APIs.
Open source
timeOS56PersonalSan Francisco, United States$3.3MAI-powered calendar assistant that automates scheduling, note-taking, and task management.
Open source
Vanna AI56Agentic AINew York, United States$2.5MAn open-source AI-powered SQL agent for natural language database interaction and data insights.
Open source · Self-hostable
Mem054Agentic AISan Francisco, United States$24.0MPersistent memory layer for AI agents and applications.
Open source · Self-hostable
M Magical54Artificial IntelligenceSan Francisco, United StatesAI-powered workflow automation platform that saves users time by automating repetitive tasks.
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Toolbase54Developer ToolsSan Francisco, United StatesA platform simplifying AI model integration with applications and data sources.
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Anon53Agentic AI$6.5MIntegration platform for the AI Internet, enabling AI agents to act on behalf of users on websites without APIs.
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Plane53Project ManagementSan Francisco, United States$4.0MAI-native platform unifying project management, documentation, and workflows.
Open source
RelAI51Agentic AISan Francisco, United States$10.0MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
Entire49Artificial Intelligence$60.0MAn open-source tool to help developers manage code written by AI agents.
Open source · Self-hostable
Fundamental Research Labs49Frontier AI LabSan Francisco, United States$10.0MAI research lab building autonomous, collaborative, and socially intelligent digital human beings.
Open source
Isacus46LegalTechTel Aviv, Israel$700KDevelops effective, efficient, and scalable foundational legal AI models for information retrieval and document analysis.
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
- Spice AI46Databaseתל אביב - יפו, Israel
Ground AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.
Open source · Self-hostable
GitHits45Developer ToolsHelsinki, Finland$1.5MThe Google of code search for open-source.
Open source · Self-hostable
Adot43E-commerceSan Francisco, United StatesAdot is an AI startup founded by ex-Google team, specializing in AI-powered e-commerce solutions like AiLead for Shopify merchants to boost conversions and enhance customer experience.
Open source
Microsoft43Operating SystemRedmond, United StatesA global technology leader providing software, cloud services, AI, and devices for individuals and businesses.
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Haystack42AI Search EngineSan Francisco, United States$10.0MAI-powered knowledge management and search for enterprise teams.
Open source
Answers36AI Search EngineSan Francisco, United States$1.5BA Q&A website and cloud-based solutions provider for customer engagement.
Open source
Noumena AI35Agentic AIתל אביב - יפו, IsraelEngineered for Experts. Built for Mastery.
Open source
GrackerAI33Agentic SEOTel Aviv, IsraelAI-powered programmatic SEO platform for B2B SaaS to scale content and dominate search categories.
Open source
Qualifire32Generative AIAI Control Plane for LLM reliability, ensuring accurate, safe, and trustworthy AI outputs.
Open source
- Why-Health29Productivity
An AI-powered personal intelligence layer that automates everyday tasks and decisions.
Open source
Pluum29Travel TechAI-powered platform for personalized travel planning and booking.
Open source
Firstprinciplesgtm28Agentic AIAI-powered go-to-market strategy and execution platform for B2B companies.
Open source
MemGPT28Foundation ModelMemGPT provides LLMs with extended context by intelligently managing different storage tiers.
Open source
Inconvo25Agentic AIUnknown, UnknownInconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.
Open source · Self-hostable
Vibranium Dome23AI AgentsNext-gen API security for semantic applications and LLMs.
Open source · Self-hostable
TinyFish23Artificial IntelligenceSan Francisco, United StatesAI-powered search engine aiming to revolutionize information discovery.
Open source
Langbase20Agentic AISan Francisco, United StatesServerless AI developer platform with unified LLM API and AI agents.
Open source
Mikeos18Agentic AIAI-powered platform for automating and optimizing creative workflows for businesses.
Open source