Open source focus

Open Source Alternatives to STEM FOR ALL

10 open source Climate Tech options similar to STEM FOR ALL, 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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Pollen Robotics
Not rated
Pioneering accessible, open-source physical robots and AI-powered application development.
Open source · Self-hostable
Arduino
Not rated
Open-source hardware and software company providing microcontrollers and kits for digital devices.
Open source · Self-hostable
Cardano
Not rated
A secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.
Open source · Self-hostable
Defcon
Not rated
The Defcon badges feature a unique open-source chip that doubles as a security key.
Open source
Open Source Endowment
Not rated
A nonprofit endowment aiming to permanently solve the funding problem for open-source software maintainers.
Open source · Self-hostable
OWASP
Not rated
A global non-profit foundation dedicated to improving software security through open community collaboration.
Open source · Self-hostable
Software Freedom Conservancy
Not rated
A non-profit organization providing infrastructure, legal support, and fiscal sponsorship for open-source software projects.
Open source · Self-hostable
Zotero
Not rated
Free, open-source personal research assistant for collecting, organizing, citing, and sharing research.
Open source · Self-hostable
CL
Clawdmeter
Not rated
Tiny desktop dashboard for Claude Code usage stats.
Open source · Self-hostable
KoBoToolbox
Not rated
Open-source platform for data collection and analysis in humanitarian and development contexts.
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
Pollen RoboticsPioneering accessible, open-source physical robots and AI-powered application development.	Open source · Self-hostable	-	Not rated	-
ArduinoOpen-source hardware and software company providing microcontrollers and kits for digital devices.	Open source · Self-hostable	-	Not rated	-
CardanoA secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.	Open source · Self-hostable	-	Not rated	-
DefconThe Defcon badges feature a unique open-source chip that doubles as a security key.	Open source	-	Not rated	-
Open Source EndowmentA nonprofit endowment aiming to permanently solve the funding problem for open-source software maintainers.	Open source · Self-hostable	-	Not rated	-
OWASPA global non-profit foundation dedicated to improving software security through open community collaboration.	Open source · Self-hostable	-	Not rated	-
Software Freedom ConservancyA non-profit organization providing infrastructure, legal support, and fiscal sponsorship for open-source software projects.	Open source · Self-hostable	-	Not rated	-
ZoteroFree, open-source personal research assistant for collecting, organizing, citing, and sharing research.	Open source · Self-hostable	-	Not rated	-
CLClawdmeterTiny desktop dashboard for Claude Code usage stats.	Open source · Self-hostable	-	Not rated	-
KoBoToolboxOpen-source platform for data collection and analysis in humanitarian and development contexts.	Open source · Self-hostable	-	Not rated	-