Open source focus

Open Source Alternatives to LETA Capital

30 open source Venture Capital options similar to LETA Capital, 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 LETA Capital →

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
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
LibreChat10
AINew York, United States
Open-source, self-hostable AI chatbot UI.
Open source · Self-hostable
Databricks82
Data AnalyticsSan Francisco, United States$36.7B
A unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Airbyte70
Data IntegrationSan Francisco, United States$181.0M
An open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
ScyllaDB67
DatabasePalo Alto, United States$101.0M
ScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
ClickHouse62
DatabaseBerlin, Germany$350.0M
An open-source, column-oriented OLAP database management system for real-time analytics.
Open source · Self-hostable
DragonflyDB61
DatabaseTel Aviv, Israel$21.0M
Source-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
MariaDB61
DatabaseRedwood City, United States$131.0M
A cloud database company providing a unified platform for transactional, analytical, and AI workloads.
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
Akash Network56
DePINSan Francisco, United States$2.0M
Decentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
Open source · Self-hostable
Countly55
AnalyticsLondon, United Kingdom$1.1M
Product analytics and customer engagement platform built on an open-source, self-hosted foundation.
Open source · Self-hostable
Mozilla Firefox54
InternetSan Francisco, United States$2.3M
Open-source web browser focused on privacy, user control, and an open internet.
Open source · Self-hostable
Pollen Robotics52
RoboticsParis, France$2.6M
Pioneering accessible, open-source physical robots and AI-powered application development.
Open source · Self-hostable
Visual Layer50
DatabaseTel Aviv, Israel$7.0M
AI-powered database for visual data, enabling intelligent search and analysis of images and videos.
Open source · Self-hostable
Open Source Endowment45
Open SourceSan Francisco, United States$750K
A nonprofit endowment aiming to permanently solve the funding problem for open-source software maintainers.
Open source · Self-hostable
MA
Macrodata Labs39
Artificial IntelligenceParis, France$4.0M
Infrastructure for the robotics data loop.
Open source · Self-hostable
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
Kantu26
Workflow Automation
Open-source browser extension and RPA software for automating web and desktop workflows.
Open source · Self-hostable
PyTorch25
AISan Francisco, United States
An open-source machine learning framework for accelerating AI research and production deployment.
Open source · Self-hostable
UI.Vision RPA15
RPA
Free, open-source RPA software for browser and desktop automation using computer vision and AI.
Open source · Self-hostable
Cloud Native Computing Foundation15
Cloud ComputingIrvine, United States
The Cloud Native Computing Foundation (CNCF) is an open-source software foundation that aims to make cloud-native computing universal and sustainable.
Open source · Self-hostable
Linux Foundation15
Open SourceSan Francisco, USA
A non-profit technology consortium supporting the development of Linux and other open-source software projects.
Open source · Self-hostable
Apache Cassandra10
Database
Open-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.
Open source · Self-hostable
AI Habitat10
Embodied AI
An open-source platform for research in embodied AI, focusing on realistic simulation environments.
Open source
TensorFlow10
AIMountain View, United States
An open-source machine learning platform for building and deploying AI applications.
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
Ajthinking7
Open Source
Code, AI, GIS, maps, open-source tooling, city planning, and marketing automation.
Open source
Agentic Commerce Protocol (ACP)3
AISan Francisco, United States
Open-source standard enabling secure, programmatic commerce transactions between AI agents and online businesses.
Open source · Self-hostable
Model Context Protocol (MCP)2
AISan Francisco, United States
An open standard for connecting AI assistants to external data sources and tools.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
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
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
LibreChatOpen-source, self-hostable AI chatbot UI.	AI	Open source · Self-hostable	New York, United States	—	10
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
AirbyteAn open-source data integration platform for ELT, reverse-ETL, and AI agents.	Data Integration	Open source · Self-hostable	San Francisco, United States	$181.0M	70
ScyllaDBScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.	Database	Open source · Self-hostable	Palo Alto, United States	$101.0M	67
ClickHouseAn open-source, column-oriented OLAP database management system for real-time analytics.	Database	Open source · Self-hostable	Berlin, Germany	$350.0M	62
DragonflyDBSource-available, multi-threaded Redis replacement for modern cloud workloads.	Database	Open source · Self-hostable	Tel Aviv, Israel	$21.0M	61
MariaDBA cloud database company providing a unified platform for transactional, analytical, and AI workloads.	Database	Open source · Self-hostable	Redwood City, United States	$131.0M	61
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
Akash NetworkDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).	DePIN	Open source · Self-hostable	San Francisco, United States	$2.0M	56
CountlyProduct analytics and customer engagement platform built on an open-source, self-hosted foundation.	Analytics	Open source · Self-hostable	London, United Kingdom	$1.1M	55
Mozilla FirefoxOpen-source web browser focused on privacy, user control, and an open internet.	Internet	Open source · Self-hostable	San Francisco, United States	$2.3M	54
Pollen RoboticsPioneering accessible, open-source physical robots and AI-powered application development.	Robotics	Open source · Self-hostable	Paris, France	$2.6M	52
Visual LayerAI-powered database for visual data, enabling intelligent search and analysis of images and videos.	Database	Open source · Self-hostable	Tel Aviv, Israel	$7.0M	50
Open Source EndowmentA nonprofit endowment aiming to permanently solve the funding problem for open-source software maintainers.	Open Source	Open source · Self-hostable	San Francisco, United States	$750K	45
MAMacrodata LabsInfrastructure for the robotics data loop.	Artificial Intelligence	Open source · Self-hostable	Paris, France	$4.0M	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
KantuOpen-source browser extension and RPA software for automating web and desktop workflows.	Workflow Automation	Open source · Self-hostable	—	—	26
PyTorchAn open-source machine learning framework for accelerating AI research and production deployment.	AI	Open source · Self-hostable	San Francisco, United States	—	25
UI.Vision RPAFree, open-source RPA software for browser and desktop automation using computer vision and AI.	RPA	Open source · Self-hostable	—	—	15
Cloud Native Computing FoundationThe Cloud Native Computing Foundation (CNCF) is an open-source software foundation that aims to make cloud-native computing universal and sustainable.	Cloud Computing	Open source · Self-hostable	Irvine, United States	—	15
Linux FoundationA non-profit technology consortium supporting the development of Linux and other open-source software projects.	Open Source	Open source · Self-hostable	San Francisco, USA	—	15
Apache CassandraOpen-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.	Database	Open source · Self-hostable	—	—	10
AI HabitatAn open-source platform for research in embodied AI, focusing on realistic simulation environments.	Embodied AI	Open source	—	—	10
TensorFlowAn open-source machine learning platform for building and deploying AI applications.	AI	Open source · Self-hostable	Mountain View, United States	—	10
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
AjthinkingCode, AI, GIS, maps, open-source tooling, city planning, and marketing automation.	Open Source	Open source	—	—	7
Agentic Commerce Protocol (ACP)Open-source standard enabling secure, programmatic commerce transactions between AI agents and online businesses.	AI	Open source · Self-hostable	San Francisco, United States	—	3
Model Context Protocol (MCP)An open standard for connecting AI assistants to external data sources and tools.	AI	Open source · Self-hostable	San Francisco, United States	—	2