Kagelin
An offline-first productivity app combining tasks, a focus timer, habits, and a calendar in one distraction-free space. Free and open source, with an optional paid cloud sync tier.
🔗 Visit Kagelin
Description
Most productivity apps chase engagement — streaks, confetti animations, push notifications nudging you back in — which can end up working against the actual goal of getting things done with less friction. Kagelin takes the opposite approach: it's built to be calm and boring on purpose, and to keep working even with no internet connection at all.
Kagelin is an offline-first productivity app that combines task management, a focus timer with Picture-in-Picture support, habit tracking with streaks, and a calendar with Google/Outlook sync into one keyboard-first, installable PWA. It explicitly avoids dark patterns and engagement-driven design, storing data locally by default with .ics import/export and encrypted data export options. The core app is permanently free and open source under AGPL-3.0, with self-hosting supported; an optional $7/month Premium tier adds cloud sync, cross-device focus tracking, and background calendar sync.
💬 Our review
The short version: Kagelin's real differentiator isn't any single feature — task management, habit tracking, and calendars all exist elsewhere — it's the combination of offline-first architecture, AGPL open-source licensing, and an explicit refusal to use engagement-driven design patterns.
Mainstream tools like Todoist or TickTick are more polished and have larger ecosystems, but they're built around retention metrics and require an account and connectivity to function well; Kagelin's offline-by-default model and local data storage matter if you specifically want a tool that doesn't need you to be online or logged in to work. Notion can technically replace all four of Kagelin's functions too, but it's a general-purpose workspace, not a purpose-built, distraction-free daily driver, and it's considerably heavier. The free tier is genuinely complete for a solo user who doesn't need cross-device sync; the $7/month Premium tier is only necessary once you want your focus sessions and calendar to follow you across devices. Worth trying if calm, ownership-respecting design matters more to you than ecosystem size; skip it if you're already happy in Todoist or Notion and don't mind their trade-offs.
💰 Pricing
📊 Global score
🤖 AI-enriched data
Cœur de l'app gratuit et open source à vie ; Premium 7 $/mois (sync cloud, focus multi-appareils, sync calendrier en arrière-plan).
Pros
Offline-first avec sync cloud optionnelle
Refuse explicitement les patterns d'engagement (confetti, notifications agressives)
Open source AGPL-3.0, auto-hébergeable
Combine tâches, focus timer, habitudes et calendrier en un seul outil
Navigation clavier complète, PWA installable
Cons
Écosystème et communauté plus restreints que Todoist ou Notion
Palier Premium nécessaire pour la synchro multi-appareils
Moins de polish visuel que les outils mainstream financés par du capital-risque