List of free time-tracking stuff for developerππ½
If you're looking for all programming tools around time-tracking (not just free). Check this page List of time-tracking Programming Tools

Code Time
Automatically track development metrics for continuous improvement. Learn from data, increase productivity, and code smarter.
Tag: time-tracking
90-day data retention Benchmarks from 150k+ devs Flow Mode Calendar and Slack integrations

Toggl Track
The world's best time tracking software. Track employee time, send beautiful client reports, and calculate profitability. Free and paid plans to save you time.
Tag: time-tracking, remote
Free for up to 5 users.

TMetric
Simple time tracking app for Windows, Mac, Linux which helps you control your time, increase productivity, and monitor your team performance.
Tag: productivity, time-tracking
tracking time with a timer reporting basic project management features team management integrations with 50+ tools

WhatPulse
WhatPulse is a small application that measures your keyboard/mouse usage, down- & uploads and your uptime. You can send these stats to our website, where you can use these stats to analyze your computing life, compete against or with your friends and compare to other people. It can provide you with a keystroke by keystroke tally of, most frequently used apps and which apps utilize the greatest amount of bandwidth.
Tag: productivity, time-tracking, key-counter, application-tracker, network-measurements, uptime-tracker
Free base client