The open source movement in agriculture.

ActiveOursPrint

33 entries

AgIsoStack++

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

AgML

Dataset

  • Active
  • Free

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.

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Checked Aug 30, 2026

AgOpenGPS

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

AgStack (Linux Foundation)

Organization

  • Active
  • Free

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.

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Checked Aug 30, 2026

AquaCrop (open source)

Software tool

  • Active
  • Free

The open Python implementation of FAO's crop-water productivity model.

Model yield against water before you commit either.

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Checked Aug 30, 2026

b-parasite

Hardware

  • Active
  • Free

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.

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Checked Aug 30, 2026

ESPHome

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Farm Hack

Community

  • Active
  • Free

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.

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Checked Aug 30, 2026

farm-ng Amiga

Hardware

  • Active
  • Paid

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.

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Checked Aug 30, 2026

FarmBot

Hardware

  • Active
  • Paid

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.

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Checked Aug 30, 2026

FarmData2

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

farmOS

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

FarmVibes.AI

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Fields2Cover

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

GOAT (Gathering for Open Agricultural Technology)

Community

  • Active
  • Free

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.

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Checked Aug 30, 2026

GOSH (Gathering for Open Science Hardware)

Community

  • Active
  • Free

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.

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Checked Aug 30, 2026

Home Assistant

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Home Assistant plant monitoring (Olen's plant + flower card)

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Irrigation Unlimited

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

LiteFarm

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

MudPi

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Mycodo

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

NeverDry

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Open Food Network

Software tool

  • Active
  • Freemium

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.

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Checked Aug 30, 2026

Open Soil Spectral Library

Dataset

  • Active
  • Free

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.

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Checked Aug 30, 2026

OpenSourceAgriculture index and newsletter

Reference work

  • Active
  • Free

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.

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Checked Aug 30, 2026

OpenSprinkler

Hardware

  • Active
  • Paid

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.

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Checked Aug 30, 2026

OpenValve

Hardware

  • Active
  • Free

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.

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Checked Aug 30, 2026

OpenWeedLocator

Hardware

  • Active
  • Free

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.

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Checked Aug 30, 2026

PlantCV

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

SIP (Sustainable Irrigation Platform)

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

Smart Irrigation for Home Assistant

Software tool

  • Active
  • Free

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.

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Checked Aug 30, 2026

SurveyStack and Our-Sci

Software tool

  • Active
  • Freemium

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