Open source focus

Open Source Alternatives to Contextbot

17 open source AI Coding Assistant options similar to Contextbot, 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
Kaos Control7
Developer Tools
An open-source lifecycle management tool delivered as a single Go binary to guide ideas through capture, requirements, planning, development, testing, and release.
Open source
Snyk76
AI Coding AssistantBoston, United States$488.5M
Snyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.
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
Slauth.io43
EnterpriseAshburn, United States$1.5M
Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
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
OpenDevin12
AI Agent Platform
An open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
Lullabeast9
MLOps
An autonomous developer pipeline that builds applications phase by phase against a Git repository.
Open source · Self-hostable
Lintlang2
AI Agent
An open-source static analysis tool for AI agent instructions to catch ambiguity and risks before runtime.
Open source
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
Socket64
Software Supply Chain SecuritySan Francisco, United States$60.0M
Socket is a software supply chain security company that proactively blocks malicious open-source packages and extensions in AI-driven software development.
Open source
Codefresh62
EnterpriseBrisbane, Australia$42.0M
Octopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
Chainguard62
CybersecuritySeattle, United States$385.0M
Secures the software supply chain with verifiable builds and open-source security tooling.
Open source · Self-hostable
Backslash Security56
CybersecurityTel Aviv, Israel$27.0M
Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
MetalBear56
Software DevelopmentSan Francisco, United States$12.5M
Open-core company building tools for modern backend engineers to ship faster and better.
Open source · Self-hostable
ORY47
Identity & Access ManagementBerlin, Germany$17.0M
Open-source identity and authorization services for applications, offering composable and scalable IAM solutions.
Open source · Self-hostable
Testkube39
MLOpsTel Aviv, Israel$12.0M
Open-source Kubernetes-native testing framework for CI/CD.
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
Kaos ControlAn open-source lifecycle management tool delivered as a single Go binary to guide ideas through capture, requirements, planning, development, testing, and release.	Developer Tools	Open source	—	—	7
SnykSnyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.	AI Coding Assistant	Open source · Self-hostable	Boston, United States	$488.5M	76
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
Slauth.ioArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.	Enterprise	Open source · Self-hostable	Ashburn, United States	$1.5M	43
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
OpenDevinAn open-source platform for developing AI-powered autonomous software engineering agents.	AI Agent Platform	Open source · Self-hostable	—	—	12
LullabeastAn autonomous developer pipeline that builds applications phase by phase against a Git repository.	MLOps	Open source · Self-hostable	—	—	9
LintlangAn open-source static analysis tool for AI agent instructions to catch ambiguity and risks before runtime.	AI Agent	Open source	—	—	2
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
SocketSocket is a software supply chain security company that proactively blocks malicious open-source packages and extensions in AI-driven software development.	Software Supply Chain Security	Open source	San Francisco, United States	$60.0M	64
CodefreshOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.	Enterprise	Open source · Self-hostable	Brisbane, Australia	$42.0M	62
ChainguardSecures the software supply chain with verifiable builds and open-source security tooling.	Cybersecurity	Open source · Self-hostable	Seattle, United States	$385.0M	62
Backslash SecurityAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.	Cybersecurity	Open source	Tel Aviv, Israel	$27.0M	56
MetalBearOpen-core company building tools for modern backend engineers to ship faster and better.	Software Development	Open source · Self-hostable	San Francisco, United States	$12.5M	56
ORYOpen-source identity and authorization services for applications, offering composable and scalable IAM solutions.	Identity & Access Management	Open source · Self-hostable	Berlin, Germany	$17.0M	47
TestkubeOpen-source Kubernetes-native testing framework for CI/CD.	MLOps	Open source · Self-hostable	Tel Aviv, Israel	$12.0M	39