hammerhead

This extension for Karoo allows to use rolling fields and custom fields with double types in the same field (HR,Power,etc). Bell sound for Karoo

Scripts to extract device vendor files and generate AOSP makefiles.

Barberfishes keep Hammerheads sharp, in the ocean and on your bike. Native-feeling data field enhancements for the Hammerhead Karoo.

Custom TWRP for Unlegacy Android Project devices

Real-time pedaling efficiency extension for Hammerhead Karoo 2/3. Displays Balance, Torque Effectiveness, and Pedal Smoothness metrics from ANT+ Cycling Dynamics power meter pedals.

A Hammerhead Karoo extension to add a configurable W' (W Prime) data field

Smart climbing assistant for Hammerhead Karoo that helps riders make better decisions on climbs through real-time pacing, W′ balance analysis, power targets, and tactical terrain insights.

A Hammerhead Karoo extension to display speed with a colored background and icons

AI cycling coach for Hammerhead Karoo — real-time coaching alerts powered by rules + Gemini AI

Free FTP testing extension for Hammerhead Karoo cycling computers. No subscriptions, no accounts, works completely offline.

KSafe: free open-source Karoo safety + ride wellness extension. Reactive layer alerts your contacts on crash, missed check-in, speed drop, HR flatline or sustained high HR. Preventive layer tracks carbs and hydration with FIT export to Strava / Intervals.icu. Includes manual SOS, custom messages, and webhook actions.

Show W' balance as a data field on a Hammerhead Karoo

Karoo (Hammerhead) cycling-computer extension: race a virtual partner or your own past self (ghost) routes and segments — live gap data fields, GPX/FIT import, and a ghost marker on the map.

Device support for Nexus 5

Nexus 5 Qualcomm Proprietary Files

GoPro® camera control for Hammerhead Karoo — record, shoot, and monitor your camera from your bike computer.

MeteoRide — Weather along your MTB, cycling & walking routes

Maru OS on the Nexus 5.

A python script that syncs folders with gpx to Hammerhead Karoo Collections

LG Proprietary Files for Nexus 5