Dev tools · alternatives · 2026
24 alternatives to Hexadecimal Hacker's Calendar
2021 calendar for real hackers
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Hexadecimal Hacker's Calendar launched in 2021; newer entries below may have overtaken it.
- 1OP
2019 · davebakker.io · its alternatives →
- 2
As a fun evening project, I made a live-updating version of the 'What a week, huh?' meme (based on a panel from The Adventures of Tintin comics [1]). There's a page for every timeframe: - 'What a day': https://tintin.dlazaro.ca/day - 'What a week': https://tintin.dlazaro.ca/week - 'What a month': https://tintin.dlazaro.ca/month - 'What a year': https://tintin.dlazaro.ca/year Current time is determined by a Cloudflare Worker using the request IP (not logged or stored). No JavaScript is sent to the browser. [1]…
2025 · tintin.dlazaro.ca · its alternatives →
- 3
Terminal based bit manipulator in ncurses. Contribute to mellowcandle/bitwise development by creating an account on GitHub.
2019 · github.com · its alternatives →
- 4
The summer marketing calendar you need
2018 · planable.io · its alternatives →
- 5
- 6
Dark & light, printable calendars for minimal offices
2020 · draptis.gumroad.com · its alternatives →
- 7
Add automatically updating date icons to your Notion
2021 · its alternatives →
- 8
No physical fireworks, just digital ASCII
2025 · its alternatives →
- 9
- 10
Calendazed▲84You can’t seize the day if you don’t know what day it is
2020 · air.inc · its alternatives →
- 11
Thirty Calendar▲153The best ai calendar to organize your work and life.
2025 · thirtycalendar.com · its alternatives →
- 12
Free physical calendar with funny IT encounters 📅
2017 · freshworks.com · its alternatives →
- 13
- 14
Generate unique text calendars using Unicode 🗓️
2019 · its alternatives →
- 15
$19 once, yours forever. Clean, ink-light PDFs in 32 languages. A4, A5 & Letter, portrait & landscape.
2023 · useminimal.com · its alternatives →
- 16
2019 events for marketers, in emojis
2018 · planable.io · its alternatives →
- 17
All special days and weeks in the world
2023 · ugurkilci.com · its alternatives →
- 18
OI Calendar▲78Encrypted, decentralized alternative to Google calendar
2019 · cal.openintents.org · its alternatives →
- 191O
The #1 Hacker News story on this day, every year since 2007.
Apr 2026 · onthisday-theta.vercel.app · its alternatives →
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- 21
I wrote an nvim plugin that does fuzzy time parsing on plain english dates to help you create + organise periodic notes. I use it daily at work and home. Hope it's helpful to others. :) note: not using NLP, LLMs or 'true' fuzzy parsing as per academic literature; just normal recursive descent parsing
2025 · github.com · its alternatives →
- 22
- 23IB
2025 · weeklong.life · its alternatives →
- 24
Minimalist 2026-2032 Calendar. Dark Mode. No Ads.
Feb 2026 · holidayscalendar.net · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →