42 entries
Hardware
A fully open, solar-powered farm rover reference design from a California research farm. Development has been quiet since 2024; the plans remain.
A complete open rover design to study, with honest notice that the project is sleeping.
Visit ↗Checked Aug 30, 2026
Software tool
The only open ISOBUS implementation: a free CAN stack in C++, Arduino, and Rust that lets homemade electronics talk to real tractor equipment.
The key to your tractor's data bus without an OEM toll booth.
Visit ↗Checked Aug 30, 2026
Dataset
One loader for the public agricultural machine-learning datasets, benchmarks included, millions of labeled images.
If you are training a model on crops, start here instead of scavenging.
Visit ↗Checked Aug 30, 2026
Software tool
Centimeter-accurate tractor autosteer farmers build themselves from off-the-shelf GPS and electronics: a decade of development and probably the most vibrant farmer-built software community anywhere.
Precision guidance for hundreds of dollars instead of tens of thousands, with a forum full of farmers who wired theirs.
Visit ↗Checked Aug 30, 2026
Organization
The Linux Foundation's digital public infrastructure for agriculture: open field-boundary identifiers, weather services, and since late 2025 the merged OpenAgri toolset.
Vendor-free building blocks, like a field ID no company owns.
Visit ↗Checked Aug 30, 2026
Software tool
The open Python implementation of FAO's crop-water productivity model.
Model yield against water before you commit either.
Visit ↗Checked Aug 30, 2026
Reference work
The broadest community list of open agriculture software, developer-flavored and updating more slowly than it once did.
The long tail of ag code, if you can read a bare list of repositories.
Visit ↗Checked Aug 30, 2026
Hardware
An open-hardware soil moisture and temperature sensor that speaks Bluetooth and Zigbee straight to Home Assistant; order the board, flash it, done.
A soil sensor you can actually trust and repair, for less than the disposable ones.
Visit ↗Checked Aug 30, 2026
Hardware
An open-hardware handheld reflectometer measuring crop nutrient density and soil carbon, validated in the peer-reviewed literature.
A citizen-science window into the quality of what you grow, not just the weight.
Visit ↗Checked Aug 30, 2026
Software tool
Firmware for ESP32 boards written as configuration, not code: describe your sensors in YAML and flash from the browser. Ships monthly.
The gentlest path from a bare board to a working sensor node.
Visit ↗Checked Aug 30, 2026
Software tool
An ESP32 mesh for hauling sensor data across a farm where WiFi does not reach, hopping node to node. Development has slowed; the design still works.
Field-scale sensor reach without LoRaWAN infrastructure.
Visit ↗Checked Aug 30, 2026
Community
The farmer-driven open tool library: three hundred documented tool designs and the culture of farmers publishing what they build.
Plans for tools other farmers already proved, and a place to publish yours.
Visit ↗Checked Aug 30, 2026
Hardware
A modular electric farm rover with an open SDK, the platform behind the collegiate Farm Robotics Challenge. The hardware is commercial; the development surface is open.
A real rover you can program without signing an NDA.
Visit ↗Checked Aug 30, 2026
Hardware
The open-source CNC garden robot that seeds, waters, and weeds raised beds; hardware plans and software all free, used by five hundred schools.
A garden that tends itself, or the best robotics teaching platform agriculture has.
Visit ↗Checked Aug 30, 2026
Software tool
Data entry and reporting for diversified vegetable farms, built on farmOS, aligned with organic certification records, and sustained by a college course.
Certification-shaped record keeping, free, from people teaching the next generation to maintain it.
Visit ↗Checked Aug 30, 2026
Software tool
The open farm record-keeping platform, twelve years of steady releases, whose data model has become a de facto open standard others build on.
Farm records you own outright, on software nobody can take away or subscription-trap you with.
Visit ↗Checked Aug 30, 2026
Software tool
Microsoft Research's open geospatial and ag model toolkit: serious satellite and weather fusion workflows, freely licensed.
Big-company research tooling, open on the shelf for anyone technical enough to lift it.
Visit ↗Checked Aug 30, 2026
Software tool
The open coverage-path-planning library for farm vehicles: how a robot decides to drive a field.
A standard building block if you are pointing anything autonomous at a paddock.
Visit ↗Checked Aug 30, 2026
Community
The commons of open agricultural technology: a forum where the farmOS, OpenTEAM, and farm-hacker worlds meet, and a biennial gathering (next: December 2026, Seabrook Island, South Carolina).
The watering hole. If you build open tools for farms, these are your people.
Visit ↗Checked Aug 30, 2026
Community
The global open science hardware community, the adjacent gene pool the open ag sensing world draws from.
Where scientific instruments get opened up, often years before farming notices.
Visit ↗Checked Aug 30, 2026
Community
An open-data social platform for food gardeners, and the community that rescued the OpenFarm crop records when that project's servers died.
Track plantings and harvests in the open, and help keep crowd knowledge alive.
Visit ↗Checked Aug 30, 2026
Software tool
The world's largest open home-automation platform, nonprofit-owned, and quietly the largest community on earth doing ESP32 environmental monitoring.
The place your sensors, irrigation, and greenhouse controls all come together, owned by you.
Visit ↗Checked Aug 30, 2026
Software tool
The maintained plant-monitoring pair for Home Assistant: per-plant thresholds, a database of species targets, and the flower card to show it all.
Every plant's moisture, light, and warnings on one dashboard.
Visit ↗Checked Aug 30, 2026
Software tool
The power-user irrigation scheduler for Home Assistant: seasons, sequences, and every edge case, actively maintained.
Irrigation scheduling with no ceiling on complexity when your system outgrows the simple ones.
Visit ↗Checked Aug 30, 2026
Software tool
Free farm planning and record software built with farmers by a university team, used on three thousand farms in over a hundred countries.
The easiest on-ramp to farm records for a small diversified operation.
Visit ↗Checked Aug 30, 2026
Hardware
The food computer initiative, the most hyped open ag project of its decade, shut down in 2020 after its demos proved staged. The grassroots projects it overshadowed all outlived it.
The other cautionary tale: working tools and honest claims beat press releases.
Visit ↗Checked Aug 30, 2026
Software tool
A configurable smart-garden framework for Raspberry Pi and ESP32: sensors, relays, and automations from a YAML file.
Garden automation glue that reads like a config file, not a program.
Visit ↗Checked Aug 30, 2026
Software tool
Raspberry Pi environmental monitoring and regulation with real PID control: greenhouse, mushroom, and hydroponic automation, relentlessly maintained for a decade.
Closed-loop climate control you own completely, on a fifty-dollar computer.
Visit ↗Checked Aug 30, 2026
Software tool
A new scientific water-balance irrigation integration for Home Assistant, releasing weekly since spring 2026.
The newest thinking in water-balance irrigation, free and moving fast.
Visit ↗Checked Aug 30, 2026
Software tool
Open-source online marketplace software run by a global federation of nonprofits: twenty-five hundred farms and food hubs selling direct in fifteen countries.
Sell online without platform lock-in or a percentage skimmed by a landlord you cannot leave.
Visit ↗Checked Aug 30, 2026
Dataset
A global open database of soil spectra with a free prediction engine: upload a scan, get soil property estimates.
The open-science path to cheap soil analysis as DIY spectrometers mature.
Visit ↗Checked Aug 30, 2026
Dataset
The crowdsourced growing-guide project, ten years of work, servers shut down in 2025. Only a few hundred crop records were rescued, by Growstuff. The lesson: open data outlives dead servers only if someone mirrors it.
A cautionary tale other directories still link as though it were alive.
Visit ↗Checked Aug 30, 2026
Reference work
The actively curated index of open ag datasets, models, and hardware, from the OpenWeedLocator author, with a companion newsletter.
The research side of open ag, kept current by someone who ships hardware himself.
Visit ↗Checked Aug 30, 2026
Hardware
The proven open irrigation controller: buy the hardware or build it, firmware and weather logic all open and still releasing.
Irrigation control with weather smarts that answers to you, not a cloud subscription.
Visit ↗Checked Aug 30, 2026
Hardware
A 3D-printable irrigation pinch valve, the fastest-growing new open farm hardware project of the past year.
Print your own valves at the makerspace instead of buying them by the dozen.
Visit ↗Checked Aug 30, 2026
Hardware
A camera-and-Raspberry-Pi weed detector for spot spraying, peer-reviewed and buildable for a few hundred dollars, with excellent documentation.
The gentlest on-ramp to practical machine vision on a farm.
Visit ↗Checked Aug 30, 2026
Software tool
Ten years of open plant-phenotyping image analysis in Python, with version four lowering the bar for non-coders.
Measure plants from photographs the way the research stations do.
Visit ↗Checked Aug 30, 2026
University program
Purdue's Open Ag Technologies center: birthplace of OADA and the ISOBlue open machine-data hardware.
The academic anchor of getting your own data off your own machinery.
Visit ↗Checked Aug 30, 2026
Software tool
A long-lived Python irrigation controller for the Raspberry Pi, plugin-extensible and still actively maintained.
Roll-your-own irrigation scheduling with a decade of community plugins.
Visit ↗Checked Aug 30, 2026
Software tool
Evapotranspiration-based watering duration for Home Assistant: it does the FAO-56 math against real weather so you water what the plants actually used.
Irrigation that follows the weather instead of the calendar, free, in the platform you already run.
Visit ↗Checked Aug 30, 2026
Software tool
The open data-collection platform behind OpenTEAM and the Bionutrient Institute, with hooks for hand-held instruments and the Modus soil standard.
Community-owned research plumbing when your farm joins a study.
Visit ↗Checked Aug 30, 2026
Software tool
Once the friendliest tiny-scale farm journal to self-host; unmaintained since 2021 and still appearing in software roundups.
A name to recognize so you do not build on it; use farmOS or LiteFarm instead.
Visit ↗Checked Aug 30, 2026