nowfound

Dev tools · June 3, 2011

SC

Seinfeld Calendar webapp.

http://sein-cal.co.cc/ This is our first web application. It is a no-frills implementation of the Seinfeld Calendar, and aids in improving productivity by helping form habits. We (two of us) started with it 5 days ago. With a bit of Python background, we decided to go at it with Django. The process was in itself a learning experience with remote collaboration, learning and using git to manage the code, and using App Engine with Django. All for the first time. Feedback welcome.

Seinfeld Calendar webapp. launched on June 3, 2011 with 11 votes, #43 of 181 launches that month and more than 50% of that year's launches.

Visit sein-cal.co.cc ↗Alternativestop 24% of June 2011

In plain words

Seinfeld Calendar is a web application that helps users build habits and improve productivity using the Seinfeld Calendar method, which tracks daily task completion. Built with Django by two developers, it offers a straightforward interface without unnecessary features. The tool is designed for anyone looking to establish consistent habits through simple visual tracking of daily progress.

written from the facts on this page · September 2026

Does a similar job

all alternatives →
  • Hugo Calendar2022 · ▲283

    Calendar, notes, and tasks app - make every meeting worth it

  • Calendar2020 · ▲257

    Smart calendar that makes teams more productive

  • MF
    My first web app, DailyDo.it2012 · dailydo.it · ▲142
  • Joi Planner2024 · joi.software · ▲492

    Calendar + todo list + habit tracker all in one app

  • Button for Google Calendar™2021 · manganum.app · ▲525

    See your daily schedule and join meetings in one-click.

  • SnapTodoDec 2025 · snaptodo.app · ▲607

    If Cursor & To-do had a baby.

More dev tools this month

the category →
  • /dev/null▲481

    a social network for devs

    Dev tools · 2d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 27d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 25d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 22d ago · openbot.run

  • Talanoa▲341

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 20d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Show HN post ↗

Launched alongside, June 2011

the whole month →