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Software · Utilities & files

Concentré

Concentré is a timer and time tracking program, available on Windows, macOS and Linux: themes and dark mode.

  • Completely free
  • Windows, macOS and Linux
  • Open source
  • No account

Overview

Concentré is a timer and time tracking program, available on Windows, macOS and Linux.

Features described in its GitHub repository and on its official website: themes and dark mode.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Focus timer with rounds and breaks” — Flathub, 10 November 2026
  • “Built-in and custom themes” — official website, 10 November 2026

At a glance

Concentré is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (AGPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

About

Concentré (formerly Pomodorolm) is a simple, good looking and configurable focus timer. Work in focused rounds, take short breaks between them, and a longer break every few rounds. The remaining time is always visible: the timer circle and the tray icon change color as time runs out. You can change its look and feel with themes, or create your own. All session durations are configurable, and you can play sounds (ticking, end of session) and display notifications.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Unspecified source (platforms) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from Flathub — AppStream (Flathub)

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