Gaurav Suryavanshi
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LiveEveryday · Focus

Focus timer

Work for 25 minutes, rest for 5, repeat. A calm timer that keeps time even when the tab is in the background.

Focus25:00One thing at a time
Today
0 sessions

Keeps time in the background. Your count is saved in this browser only.

How it works

  1. 1Pick a rhythm: 25/5, 50/10 or 15/3 minutes of focus and break.
  2. 2The ring shows time left. The tab title shows it too, and a soft chime plays at the end of each part.
  3. 3Today’s finished sessions are counted and kept in this browser.

More demos

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LiveDatabases · Built from scratch

QueryLite: a SQL database

A SQL database written from scratch — parser, B+ tree indexes, a query planner, joins and transactions — running live on 22,000 rows in your browser.

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LiveDistributed systems · Built from scratch

Raft consensus, live

The algorithm that keeps etcd and Kubernetes consistent. Five servers elect a leader and replicate a log — crash them and split the network while it runs.

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LiveReal-time · Built from scratch

Live collaborative editor

Real-time editing with no server. Three devices share a note — take one offline, edit everywhere, reconnect, and they merge. Open a second tab and it syncs live.

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