Open source focus

Open Source Alternatives to Marsh McLennan

11 open source Professional Services options similar to Marsh McLennan, 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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KiloClaw
Not rated
A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
CommaAgent
Not rated
Best free & open source AI personal assistant.
Open source
H2O.ai
Not rated
An open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
Backslash Security
Not rated
Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
RelAI
Not rated
An open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
WhisperWeb
Not rated
Free in-browser Whisper transcription and subtitle editor; audio stays on your device.
Open source
FINLAI designs
Not rated
Develops digitalization partnerships, local IT security software (NoRisk), and AI agents for sole proprietors and SMEs.
Open source
Linuxed
Not rated
Linuxed provides an AI-powered platform for Linux system administration, automation, and infrastructure management.
Open source · Self-hostable
MCP.so
Not rated
A community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.
Open source · Self-hostable
GE
GeniA
Not rated
Open-source AI platform engineering team member for production environments, automating tasks and learning tools.
Open source · Self-hostable
BrowserUse
Not rated
Provides tools and services for automated browser testing and scraping.
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.	Open source · Self-hostable	-	Not rated	-
CommaAgentBest free & open source AI personal assistant.	Open source	-	Not rated	-
H2O.aiAn open-source AI and machine learning platform for enterprises.	Open source · Self-hostable	-	Not rated	-
Backslash SecurityAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.	Open source	-	Not rated	-
RelAIAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.	Open source · Self-hostable	-	Not rated	-
WhisperWebFree in-browser Whisper transcription and subtitle editor; audio stays on your device.	Open source	-	Not rated	-
FINLAI designsDevelops digitalization partnerships, local IT security software (NoRisk), and AI agents for sole proprietors and SMEs.	Open source	-	Not rated	-
LinuxedLinuxed provides an AI-powered platform for Linux system administration, automation, and infrastructure management.	Open source · Self-hostable	-	Not rated	-
MCP.soA community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.	Open source · Self-hostable	-	Not rated	-
GEGeniAOpen-source AI platform engineering team member for production environments, automating tasks and learning tools.	Open source · Self-hostable	-	Not rated	-
BrowserUseProvides tools and services for automated browser testing and scraping.	Open source · Self-hostable	-	Not rated	-