Open source focus

Open Source Alternatives to Embedder (YC S25)

14 open source AI Agents options similar to Embedder (YC S25), 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.

View all alternatives to Embedder (YC S25) →

Auto-GPT53
Agentic AI$12.0M
Open-source autonomous AI agent platform that automates complex digital workflows.
Open source · Self-hostable
All-Hands AI49
Agentic AIBoston, United States$5.0M
An open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
OpenDevin12
AI Agent Platform
An open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
KiloClaw54
Artificial Intelligence
A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
Kilo Code24
Agentic AISan Francisco, United States
Open-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.
Open source · Self-hostable
Trigger Device Inc59
AI AgentsLondon, United Kingdom$16.5M
An open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
Steel.dev58
Developer ToolsTel Aviv, Israel$17.0M
Cloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.
Open source · Self-hostable
Parlant26
AI AgentsTel Aviv, Israel
Parlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.
Open source · Self-hostable
Upsonic19
Developer ToolsLondon, United Kingdom
Open-source Python framework for building autonomous AI agents and agentic workflows, purpose-built for FinTech operations.
Open source · Self-hostable
Lastsaas2
SaaS Boilerplate
LastSaaS is an open-source SaaS boilerplate designed for AI-assisted development, offering a complete foundation for launching SaaS businesses.
Open source
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
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
Ainativex7
AI Infrastructure
An open-source AI IDE and infrastructure platform for building and deploying AI agents and applications.
Open source
Mastra77
Agentic AISan Francisco, United States$35.5M
An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
Auto-GPTOpen-source autonomous AI agent platform that automates complex digital workflows.	Agentic AI	Open source · Self-hostable	—	$12.0M	53
All-Hands AIAn open-source platform for building and running AI coding agents that automate software development tasks.	Agentic AI	Open source · Self-hostable	Boston, United States	$5.0M	49
OpenDevinAn open-source platform for developing AI-powered autonomous software engineering agents.	AI Agent Platform	Open source · Self-hostable	—	—	12
KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.	Artificial Intelligence	Open source · Self-hostable	—	—	54
Kilo CodeOpen-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.	Agentic AI	Open source · Self-hostable	San Francisco, United States	—	24
Trigger Device IncAn open-source platform for building and deploying AI agents and workflows.	AI Agents	Open source · Self-hostable	London, United Kingdom	$16.5M	59
Steel.devCloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.	Developer Tools	Open source · Self-hostable	Tel Aviv, Israel	$17.0M	58
ParlantParlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.	AI Agents	Open source · Self-hostable	Tel Aviv, Israel	—	26
UpsonicOpen-source Python framework for building autonomous AI agents and agentic workflows, purpose-built for FinTech operations.	Developer Tools	Open source · Self-hostable	London, United Kingdom	—	19
LastsaasLastSaaS is an open-source SaaS boilerplate designed for AI-assisted development, offering a complete foundation for launching SaaS businesses.	SaaS Boilerplate	Open source	—	—	2
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
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
AinativexAn open-source AI IDE and infrastructure platform for building and deploying AI agents and applications.	AI Infrastructure	Open source	—	—	7
MastraAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.	Agentic AI	Open source · Self-hostable	San Francisco, United States	$35.5M	77