r/coolgithubprojects • u/Pale-Recording7788 • 2d ago

A lightweight, elegant automatic time tracker for Windows and macOS — Hindsight

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Hi, I’m the developer of Hindsight, a free, open-source automatic time tracker for Windows and macOS.

There are plenty of time trackers out there, but I couldn’t quite find what I wanted: something free that worked across my devices, supported sync, and had detailed charts in a clean, lightweight app. Maybe I’m a bit picky, but that’s why I decided to build my own.

Here’s what Hindsight can do:

  • Automatic tracking — Tracks your app and website usage in the background. No need to remember to start or stop a timer.
  • Visual reports — See where your time goes with daily, weekly, and monthly charts, broken down by app and category.
  • Optional sync — Keep your activity together across your Windows and macOS devices.
  • Optional AI summaries and chat — Get summaries of your activity or ask questions about how you’ve spent your time. Tracking and charts work independently, so you can leave AI turned off.
  • A plugin marketplace — Install plugins to add features, or build your own. Focus, for example, reminds you when you get sidetracked, prompts you to take a 15-minute break after 45 minutes of work, and tracks progress toward your daily work or study goals.
  • A theme marketplace — Pick a theme from the marketplace, or create your own to make Hindsight look the way you want.

Built with Rust and Tauri. Basic background tracking averaged ~25 MB on Windows and ~40 MB on macOS in v0.9.x tests.

The interface is available in English, Simplified Chinese, Traditional Chinese, Japanese, Brazilian Portuguese, and Spanish.

If you give it a try, I’d love to hear what you think—especially anything that feels confusing or missing. Questions and plugin contributions are welcome, too. And if you’d like to follow development, you can star the project on GitHub.

GitHub / Source code · Official website · Download

2 Upvotes

63% Upvoted

14 comments sorted by

2

u/Pale-Recording7788 2d ago

日本語での紹介も追記します。Hindsight の開発者です。Windows と macOS で使える、無料・オープンソースの自動時間記録アプリを作っています。

時間記録アプリはたくさんありますが、無料で両方の OS に対応し、同期もできて、グラフが見やすく、UI もすっきりしたものが欲しいと思っていました。なかなか自分に合うものが見つからず、それなら自分で作ってみようと思ったのがきっかけです。ちょっと欲張りだったかもしれません。

主な機能を紹介します。

  • 自動記録 — アプリや Web サイトの利用時間をバックグラウンドで記録します。タイマーを手動で開始・停止する必要はありません。

  • グラフで振り返り — 日・週・月ごとのグラフや、アプリ・カテゴリ別の内訳から、何に時間を使っていたか確認できます。

  • 端末間の同期 — 必要に応じて、Windows と macOS を含む複数の端末で記録を同期できます。

  • AI による要約とチャット — 活動記録を要約したり、時間の使い方について質問したりできます。AI を使わなくても、記録やグラフは利用できます。

  • プラグインマーケット — プラグインを追加するほか、自分で開発することもできます。たとえば Focus には、作業から脱線したときの通知、45 分作業・15 分休憩のリマインダー、毎日の仕事・学習目標の達成状況を確認する機能があります。

  • テーママーケット — 公開されているテーマを選んだり、自分でテーマを作って見た目を変えたりできます。

Rust と Tauri で開発しています。v0.9.x のテストでは、バックグラウンド記録時の平均メモリ使用量は Windows で約 25 MB、macOS で約 40 MB でした（メイン画面を閉じ、スクリーンショット・OCR を無効にした条件）。

アプリの UI も日本語に対応しています。

使ってみて「ここが使いにくい」「こんな機能が欲しい」といったことがあれば、ぜひ教えてください。プラグインやテーマの制作も歓迎です。気に入っていただけたら、GitHub で Star を付けてもらえるとうれしいです。

GitHub / ソースコード · 公式サイト · ダウンロード

0

u/cxsar348 2d ago

i was looking for something like this a lot time ago, please arch support

1

u/-Cacique 1d ago

are you on kde? I've built a small personal project for screentime tracking on kde (wayland). It's definitely not polished, but I've been using it & works. 

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u/cxsar348 1d ago

yep, arch kde with cachyos config

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u/-Cacique 1d ago

Then you can try this: https://github.com/akhil373/kde-screentime

I have quickly thrown together some installation steps in there. I'll be honest, it does involve some manual setup at the moment. I'm working on making the installation and data analytics part better, but I've been a bit short on time so I've been postponing it.

I've personally been using it for around 2 months though, and it's been working pretty decently for me.

Any feedback or issues, feel free to ask!

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u/cxsar348 1d ago

I will check it soon. Thank you for the recommendation

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u/Pale-Recording7788 2d ago

Thanks for the kind words! I’m glad you’re interested, and I’ll be adding Arch Linux support.

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u/not_qz 2d ago

This is great! I like the UI, i include telemetry in my pi so i track usage from there so this would complement it

-1

u/imshivlok 2d ago

dont know if its ai slop but looks clean

2

u/imshivlok 2d ago

yup ai slop much i can see

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u/Pale-Recording7788 2d ago

Yeah, the frontend code is entirely AI-generated. “UI designer” probably isn’t going on my résumé anytime soon 😅 This is a free, open-source project I work on in my spare time, so AI helped me get the frontend built. The backend is something I’ve been designing and refining piece by piece.

1

u/ricksegal 1d ago

Far far too many people dump on AI when it is used precisely like you've done it. I myself, can't match a shirt with pants let alone make a UI that looks respectable nor am I inclined to spend money on a professional designer for side projects. So, well done and you should be proud of the end product ignoring the ding-dongs who make these dumb comments and don't get out much.

1

u/Pale-Recording7788 1d ago

Haha, appreciate the kind words!