Open source focus

Open Source Alternatives to STELL

14 open source SpaceTech options similar to STELL, 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 STELL →

MA
Macrodata Labs39
Artificial IntelligenceParis, France$4.0M
Infrastructure for the robotics data loop.
Open source · Self-hostable
Kantu26
Workflow Automation
Open-source browser extension and RPA software for automating web and desktop workflows.
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
AI Habitat10
Embodied AI
An open-source platform for research in embodied AI, focusing on realistic simulation environments.
Open source
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
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
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Pollen Robotics52
RoboticsParis, France$2.6M
Pioneering accessible, open-source physical robots and AI-powered application development.
Open source · Self-hostable
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
PromptQL45
Artificial IntelligenceSan Francisco, United States
An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
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
BeagleBone Black17
Embedded SystemsDallas, United States
A low-cost, community-supported development platform for hobbyists and developers.
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

Company	Sector	License	HQ	Funding	Score
MAMacrodata LabsInfrastructure for the robotics data loop.	Artificial Intelligence	Open source · Self-hostable	Paris, France	$4.0M	39
KantuOpen-source browser extension and RPA software for automating web and desktop workflows.	Workflow Automation	Open source · Self-hostable	—	—	26
UI.Vision RPAFree, open-source RPA software for browser and desktop automation using computer vision and AI.	RPA	Open source · Self-hostable	—	—	15
AI HabitatAn open-source platform for research in embodied AI, focusing on realistic simulation environments.	Embodied AI	Open source	—	—	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
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
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
Pollen RoboticsPioneering accessible, open-source physical robots and AI-powered application development.	Robotics	Open source · Self-hostable	Paris, France	$2.6M	52
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
PromptQLAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.	Artificial Intelligence	Open source · Self-hostable	San Francisco, United States	—	45
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
BeagleBone BlackA low-cost, community-supported development platform for hobbyists and developers.	Embedded Systems	Open source	Dallas, United States	—	17
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