Open source focus

Open Source Alternatives to Google Gemini Code Assist

25 open source AI Coding Assistant options similar to Google Gemini Code Assist, 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 Google Gemini Code Assist →

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
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
Together AI76
AI InfrastructureSan Francisco, United States$906.0M
AI acceleration cloud platform for open source and enterprise.
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
OpenDevin12
AI Agent Platform
An open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
Littlebat9
Open Source
Open-source AI tools for iOS and AWS, allowing self-hosting and data privacy.
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
Manhattan Reasoning7
AI Chip
Cloud silicon, open-source toolchains, and training environments where AI learns to design computer chips that are both correct and optimal.
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
Qdrant71
Vector DatabaseBerlin, Germany$87.5M
High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
Supabase70
DatabaseSan Francisco, United States$933.0M
Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
Open source · Self-hostable
npm66
Developer ToolsOakland, USA$10.6M
The world's largest software registry for JavaScript packages and the default package manager for Node.js.
Open source · Self-hostable
Appwrite58
EnterpriseSan Francisco, United States$37.0M
Open-source backend-as-a-service platform for building scalable applications.
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
Liblab55
Developer ToolsAustin, United States$42.0M
SDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.
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
Cua39
AI AgentSan Francisco, United States$500K
Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
Responsive35
EnterpriseSan Francisco, United States
Platform for developers building stateful reactive applications on the modern cloud with object store native databases.
Open source · Self-hostable
vxtwitter.com31
Web DevelopmentSan Francisco, United States
The world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.
Open source · Self-hostable
fixupx.com24
Web DevelopmentSan Francisco, United States
The world's leading software development platform for version control and collaboration.
Open source · Self-hostable
Procfunc23
Developer Tools
A service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.
Open source
Remls22
Developer Tools
GitHub is a platform for developers to collaborate on code, manage projects, and build software.
Open source
Apache CouchDB21
Database
An open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.
Open source · Self-hostable
Camunda Pte. Limited20
Workflow AutomationBerlin, Germany
Camunda provides an open-source process automation platform for orchestrating human and system workflows.
Open source · Self-hostable
Fastify12
Developer Tools
An open-source, highly efficient web framework for Node.js focused on speed and low overhead.
Open source

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
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
Together AIAI acceleration cloud platform for open source and enterprise.	AI Infrastructure	Open source · Self-hostable	San Francisco, United States	$906.0M	76
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
OpenDevinAn open-source platform for developing AI-powered autonomous software engineering agents.	AI Agent Platform	Open source · Self-hostable	—	—	12
LittlebatOpen-source AI tools for iOS and AWS, allowing self-hosting and data privacy.	Open Source	Open source	—	—	9
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
Manhattan ReasoningCloud silicon, open-source toolchains, and training environments where AI learns to design computer chips that are both correct and optimal.	AI Chip	Open source	—	—	7
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
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	$87.5M	71
SupabaseOpen source Firebase alternative with a PostgreSQL backend and real-time capabilities.	Database	Open source · Self-hostable	San Francisco, United States	$933.0M	70
npmThe world's largest software registry for JavaScript packages and the default package manager for Node.js.	Developer Tools	Open source · Self-hostable	Oakland, USA	$10.6M	66
AppwriteOpen-source backend-as-a-service platform for building scalable applications.	Enterprise	Open source · Self-hostable	San Francisco, United States	$37.0M	58
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
LiblabSDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.	Developer Tools	Open source · Self-hostable	Austin, United States	$42.0M	55
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
CuaCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.	AI Agent	Open source	San Francisco, United States	$500K	39
ResponsivePlatform for developers building stateful reactive applications on the modern cloud with object store native databases.	Enterprise	Open source · Self-hostable	San Francisco, United States	—	35
vxtwitter.comThe world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.	Web Development	Open source · Self-hostable	San Francisco, United States	—	31
fixupx.comThe world's leading software development platform for version control and collaboration.	Web Development	Open source · Self-hostable	San Francisco, United States	—	24
ProcfuncA service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.	Developer Tools	Open source	—	—	23
RemlsGitHub is a platform for developers to collaborate on code, manage projects, and build software.	Developer Tools	Open source	—	—	22
Apache CouchDBAn open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.	Database	Open source · Self-hostable	—	—	21
Camunda Pte. LimitedCamunda provides an open-source process automation platform for orchestrating human and system workflows.	Workflow Automation	Open source · Self-hostable	Berlin, Germany	—	20
FastifyAn open-source, highly efficient web framework for Node.js focused on speed and low overhead.	Developer Tools	Open source	—	—	12