Open source focus

Open Source Alternatives to ReigNN

20 open source Marketing options similar to ReigNN, 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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HU
HumanSignal7
Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
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
Defcon47
HardwareMcLean, United States$44.0M
The Defcon badges feature a unique open-source chip that doubles as a security key.
Open source
Faiss by Meta28
AI Foundation & Compute
Open-source library by Meta AI for efficient similarity search and clustering of dense vectors.
Open source · Self-hostable
AG
Agent4Rec20
Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
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
Glovity8
AI Infrastructure
Glovity is an open-source, low-cost teleoperation system for dexterous manipulation, integrating spatial wrench feedback with a haptic glove.
Open source
Databricks82
Data AnalyticsSan Francisco, United States$36.7B
A unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Hugging Face76
AINew York, United States$395.2M
Hugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
Elementor69
WebsiteRamat Gan, Israel$65.8M
Elementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
ClickHouse Cloud68
DatabaseSan Francisco, United States$1.1B
Fully managed ClickHouse service for real-time analytics on AWS, GCP, and Azure.
Open source · Self-hostable
Firebolt65
Cloud Data WarehousePalo Alto, United States$264.0M
Cloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
ClearML63
AutoMLTel Aviv, Israel$11.0M
Open-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
Redpanda61
Streaming Data PlatformNew York, United States$260.0M
A streaming data platform designed for real-time applications and data pipelines.
Open source · Self-hostable
Julia61
Programming LanguagesWaltham, USA$15.0M
A high-performance, dynamic programming language for technical computing.
Open source
Akash Network56
DePINSan Francisco, United States$2.0M
Decentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
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
Velum Labs49
Machine LearningSan Francisco, United States$500K
Firewall that controls access to information across AI and humans
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

Company	Sector	License	HQ	Funding	Score
HUHumanSignalAdala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.	Agentic AI	Open source · Self-hostable	—	—	7
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
DefconThe Defcon badges feature a unique open-source chip that doubles as a security key.	Hardware	Open source	McLean, United States	$44.0M	47
Faiss by MetaOpen-source library by Meta AI for efficient similarity search and clustering of dense vectors.	AI Foundation & Compute	Open source · Self-hostable	—	—	28
AGAgent4RecSimulates 1,000 LLM-powered agents for diverse movie recommendation preferences.	Agentic AI	Open source	—	—	20
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
GlovityGlovity is an open-source, low-cost teleoperation system for dexterous manipulation, integrating spatial wrench feedback with a haptic glove.	AI Infrastructure	Open source	—	—	8
DatabricksA unified data analytics and AI platform built on the lakehouse architecture.	Data Analytics	Open source · Self-hostable	San Francisco, United States	$36.7B	82
Hugging FaceHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.	AI	Open source · Self-hostable	New York, United States	$395.2M	76
ElementorElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.	Website	Open source · Self-hostable	Ramat Gan, Israel	$65.8M	69
ClickHouse CloudFully managed ClickHouse service for real-time analytics on AWS, GCP, and Azure.	Database	Open source · Self-hostable	San Francisco, United States	$1.1B	68
FireboltCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.	Cloud Data Warehouse	Open source	Palo Alto, United States	$264.0M	65
ClearMLOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.	AutoML	Open source · Self-hostable	Tel Aviv, Israel	$11.0M	63
RedpandaA streaming data platform designed for real-time applications and data pipelines.	Streaming Data Platform	Open source · Self-hostable	New York, United States	$260.0M	61
JuliaA high-performance, dynamic programming language for technical computing.	Programming Languages	Open source	Waltham, USA	$15.0M	61
Akash NetworkDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).	DePIN	Open source · Self-hostable	San Francisco, United States	$2.0M	56
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
Velum LabsFirewall that controls access to information across AI and humans	Machine Learning	Open source · Self-hostable	San Francisco, United States	$500K	49
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