Koncentro

Cross-platform app combining Pomodoro timing, task management, and website blocking

Desktopfree

Koncentro is a cross-platform desktop app that combines a Pomodoro timer, task timeboxing, and website blocking in one tool, built without Electron. It lets users set up separate workspaces, each with its own timer settings, task list, and site block/allow list, to keep work and personal focus sessions apart. Free and open source, available for Windows, macOS, and Linux.

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Behind the summary, Matchbox keeps a richer profile of Koncentro - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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