jolt helps laptop users understand what’s draining their battery.
It provides real-time insights into power consumption, process energy usage, and battery health—all in a clean, themeable TUI.
This is free and open source software.
Key Features
- Battery Status — Charge percentage, time remaining, health, and cycle count.
- Power Monitoring — System power draw with CPU/GPU breakdown.
- Process Tracking — Processes sorted by energy impact with color-coded severity.
- Historical Graphs — Track battery and power trends over time.
- Themes — 10+ built-in themes with dark/light auto-detection.
- Background Daemon — Collect historical data even when the TUI isn’t running.
- Process Management — Kill energy-hungry processes directly.
Website: github.com/jordond/jolt
Support:
Developer: jordond
License: MIT License

jolt is written in Rust. Learn Rust with our recommended free books and free tutorials.
Related Software
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| TuneD | Daemon for monitoring and adaptive tuning of system devices |
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| thermald | Thermal daemon for Intel Architecture |
| powerstat | Measures the power consumption of a laptop |
| LACT | Linux GPU Control Application |
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| ddogreen | Smart power management tool |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

