Open source focus

Open Source Alternatives to Catalystpm

7 open source AI Coding Assistant options similar to Catalystpm, 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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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
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
OpenDevin12
AI Agent Platform
An open-source platform for developing AI-powered autonomous software engineering agents.
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
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
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

Company	Sector	License	HQ	Funding	Score
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
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
OpenDevinAn open-source platform for developing AI-powered autonomous software engineering agents.	AI Agent Platform	Open source · Self-hostable	—	—	12
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
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
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