Open source focus

Open Source Alternatives to StartupHub.ai

24 open source AI Search Engine options similar to StartupHub.ai, 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.

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DocsGPT8
Open Source
Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
CRAB27
Agentic AI
An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Airweave61
Agentic AISan Francisco, United States$6.0M
Open-source tool to transform application data into accessible knowledge for AI agents.
Open source · Self-hostable
Feast AI54
MLOpsSan Francisco, United States
An open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
BenchFlow42
Frontier AI LabSan Francisco, United States$1.0M
BenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source
Inconvo25
Agentic AIUnknown, Unknown
Inconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.
Open source · Self-hostable
Mem056
Agentic AISan Francisco, United States$24.0M
Persistent memory layer for AI agents and applications.
Open source · Self-hostable
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
RelAI51
Agentic AISan Francisco, United States$10.0M
An open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
PromptQL45
Artificial IntelligenceSan Francisco, United States
An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
GitHits45
Developer ToolsHelsinki, Finland$1.5M
The Google of code search for open-source.
Open source · Self-hostable
Spice AI40
Databaseתל 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
LlamaIndex Inc.39
Foundation ModelSan Francisco, United States
Company
Open source · Self-hostable
Langflow32
Agentic AILisbon, Portugal
Low-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.
Open source · Self-hostable
Recognai, S.L.U.31
Data CurationBarcelona, Spain
Company
Open source
Langchain-Chatchat10
Open Source
Open-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
Open source · Self-hostable
Agentjail10
Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
Causari10
Agentic AI
Causari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.
Open source · Self-hostable
Littlebat9
Open Source
Open-source AI tools for iOS and AWS, allowing self-hosting and data privacy.
Open source
Graphometer3
AI Observability
Seeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.
Open source
Qdrant71
Vector DatabaseBerlin, Germany$96.5M
High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
LiteLLM53
Foundation ModelSan Francisco, United States
An open-source Python library providing a unified interface for interacting with various LLM providers.
Open source · Self-hostable
Agentguardx26
AI Testing
An open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.
Open source
Faremeter22
Fintech
Open-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
DocsGPTOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.	Open Source	Open source · Self-hostable	—	—	8
CRABAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.	Agentic AI	Open source · Self-hostable	—	—	27
AirweaveOpen-source tool to transform application data into accessible knowledge for AI agents.	Agentic AI	Open source · Self-hostable	San Francisco, United States	$6.0M	61
Feast AIAn open-source feature store for managing and serving data for AI/ML models in production.	MLOps	Open source · Self-hostable	San Francisco, United States	—	54
BenchFlowBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.	Frontier AI Lab	Open source	San Francisco, United States	$1.0M	42
InconvoInconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.	Agentic AI	Open source · Self-hostable	Unknown, Unknown	—	25
Mem0Persistent memory layer for AI agents and applications.	Agentic AI	Open source · Self-hostable	San Francisco, United States	$24.0M	56
ProbablTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.	MLOps	Open source	Paris, France	$18.5M	54
RelAIAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.	Agentic AI	Open source · Self-hostable	San Francisco, United States	$10.0M	51
PromptQLAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.	Artificial Intelligence	Open source · Self-hostable	San Francisco, United States	—	45
GitHitsThe Google of code search for open-source.	Developer Tools	Open source · Self-hostable	Helsinki, Finland	$1.5M	45
Spice AIGround AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.	Database	Open source · Self-hostable	תל אביב - יפו, Israel	—	40
LlamaIndex Inc.Company	Foundation Model	Open source · Self-hostable	San Francisco, United States	—	39
LangflowLow-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.	Agentic AI	Open source · Self-hostable	Lisbon, Portugal	—	32
Recognai, S.L.U.Company	Data Curation	Open source	Barcelona, Spain	—	31
Langchain-ChatchatOpen-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.	Open Source	Open source · Self-hostable	—	—	10
AgentjailPolicy guardrails for coding agents to block dangerous tool calls before they are fired.	Agentic AI	Open source	—	—	10
CausariCausari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.	Agentic AI	Open source · Self-hostable	—	—	10
LittlebatOpen-source AI tools for iOS and AWS, allowing self-hosting and data privacy.	Open Source	Open source	—	—	9
GraphometerSeeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.	AI Observability	Open source	—	—	3
QdrantHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.	Vector Database	Open source · Self-hostable	Berlin, Germany	$96.5M	71
LiteLLMAn open-source Python library providing a unified interface for interacting with various LLM providers.	Foundation Model	Open source · Self-hostable	San Francisco, United States	—	53
AgentguardxAn open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.	AI Testing	Open source	—	—	26
FaremeterOpen-source framework enabling autonomous AI agents to make frictionless web3 payments via web2 infrastructure.	Fintech	Open source · Self-hostable	—	—	22