Open source focus

Open Source Alternatives to Klui AI

21 open source AI Companion options similar to Klui AI, 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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Rasa49
Conversational AIBerlin, Germany$13.0M
Open-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Kyutai68
Frontier AI LabParis, France$300.0M
A non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Vocode50
Open SourceSan Francisco, United States$3.8M
Open-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Coqui48
Voice AIBerlin, Germany$2.0M
Open-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
CRAB27
Agentic AI
An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
GPT4All26
Foundation ModelNew York, United States
Open-source, privacy-focused AI assistant that runs locally on your hardware.
Open source · Self-hostable
Velorn12
AI Video Generation
AI-native video editing and generative production tools built around a creative timeline.
Open source
OP
OpenWorker7
Agentic AI
OpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.
Open source
Firmgate7
Enterprise Software
Australian-owned, sovereign-built, open-source self-hosted intranet with AI-enabled enterprise modules.
Open source
Gitpod63
Developer ToolsTübingen, Germany$28.0M
Cloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
Mycroft AI38
Voice AssistantKansas City, United States$4.0M
Open-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
Mycroft35
Voice AIKansas City, United States$121.5M
Open-source, privacy-focused voice assistant and AI platform.
Open source · Self-hostable
Omnivore23
Consumer App
A free and open-source read-it-later service with AI-powered features and integrations.
Open source · Self-hostable
Zotero22
Research ToolsFairfax, United States
Free, open-source personal research assistant for collecting, organizing, citing, and sharing research.
Open source · Self-hostable
Pomvox21
Voice AI
Press a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.
Open source
Cap19
Developer ToolsSan Francisco, United States
Open-source screen recording, editing, and hosting tool with ownership of your data.
Open source · Self-hostable
I3
i313
Software Development
A highly configurable and efficient tiling window manager for X11.
Open source · Self-hostable
EU
Euro-Office10
SoftwareEurope
A sovereign, open-source office suite for European enterprises and public administrations.
Open source · Self-hostable
Langchain-Chatchat10
Open Source
Open-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
Open source · Self-hostable
EU
Eurostack10
SoftwareEurope
A European enterprise contributing to the development of sovereign digital infrastructure.
Open source · Self-hostable
LibreChat10
AINew York, United States
Open-source, self-hostable AI chatbot UI.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
RasaOpen-source conversational AI platform for building custom chatbots and virtual assistants.	Conversational AI	Open source · Self-hostable	Berlin, Germany	$13.0M	49
KyutaiA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.	Frontier AI Lab	Open source · Self-hostable	Paris, France	$300.0M	68
VocodeOpen-source library for building hyper-realistic voice agents and conversational AI applications.	Open Source	Open source · Self-hostable	San Francisco, United States	$3.8M	50
CoquiOpen-source AI models for voice synthesis, translation, and TTS.	Voice AI	Open source · Self-hostable	Berlin, Germany	$2.0M	48
CRABAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.	Agentic AI	Open source · Self-hostable	—	—	27
GPT4AllOpen-source, privacy-focused AI assistant that runs locally on your hardware.	Foundation Model	Open source · Self-hostable	New York, United States	—	26
VelornAI-native video editing and generative production tools built around a creative timeline.	AI Video Generation	Open source	—	—	12
OPOpenWorkerOpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.	Agentic AI	Open source	—	—	7
FirmgateAustralian-owned, sovereign-built, open-source self-hosted intranet with AI-enabled enterprise modules.	Enterprise Software	Open source	—	—	7
GitpodCloud Development Environments for efficient and secure team software development.	Developer Tools	Open source · Self-hostable	Tübingen, Germany	$28.0M	63
Mycroft AIOpen-source, privacy-focused voice assistant and AI platform.	Voice Assistant	Open source · Self-hostable	Kansas City, United States	$4.0M	38
MycroftOpen-source, privacy-focused voice assistant and AI platform.	Voice AI	Open source · Self-hostable	Kansas City, United States	$121.5M	35
OmnivoreA free and open-source read-it-later service with AI-powered features and integrations.	Consumer App	Open source · Self-hostable	—	—	23
ZoteroFree, open-source personal research assistant for collecting, organizing, citing, and sharing research.	Research Tools	Open source · Self-hostable	Fairfax, United States	—	22
PomvoxPress a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.	Voice AI	Open source	—	—	21
CapOpen-source screen recording, editing, and hosting tool with ownership of your data.	Developer Tools	Open source · Self-hostable	San Francisco, United States	—	19
I3i3A highly configurable and efficient tiling window manager for X11.	Software Development	Open source · Self-hostable	—	—	13
EUEuro-OfficeA sovereign, open-source office suite for European enterprises and public administrations.	Software	Open source · Self-hostable	Europe	—	10
Langchain-ChatchatOpen-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.	Open Source	Open source · Self-hostable	—	—	10
EUEurostackA European enterprise contributing to the development of sovereign digital infrastructure.	Software	Open source · Self-hostable	Europe	—	10
LibreChatOpen-source, self-hostable AI chatbot UI.	AI	Open source · Self-hostable	New York, United States	—	10