Dev tools · alternatives · 2026
24 alternatives to { A Pi API for π-day }
Search for the 12345 sequences in this π API
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. { A Pi API for π-day } launched in 2016; newer entries below may have overtaken it.
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Cal.com Platform▲1,601Build your pixel-perfect booking experience with Atoms
2024 · cal.com · its alternatives →
- 2ED
2017 · euler.party · its alternatives →
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It's Pi day! How many digits do you remember?
2025 · pi-challenge.replit.app · its alternatives →
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Over the last year, I've worked on aggregating Groundhog data, including predictions, location, and a cute photo. Welcome to GROUNDHOG-DAY.com: The clean and breathable, machine-readable, all-regional data source for Groundhog Day forecasts. Find your fave groundhog, peruse past predictions, or trek the continent-wide Groundhog Map. Includes enterprise-grade API for corporate use cases.
2023 · groundhog-day.com · its alternatives →
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Free and open-source. Simple alternative to cal.com / calendly, built on Google-App-Script for Gmail users. Built with modern technologies like React, TypeScript, Shadcn/UI, and Vite.
2024 · github.com · its alternatives →
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Piktochart▲94Making Information Useful Has Never Been Easier
2014 · piktochart.com · its alternatives →
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i always loved looking up the On-Line Encyclopedia of Integer Sequences (OEIS) when researching a sequence of numbers. so I decided to make a TUI and CLI for it so that I can browse sequences in the terminal. it supports almost all the features on the site (including the OEIS Webcam) and supports graphs, a preview pane, exporting and bookmarks. more features here: https://github.com/hako/oeis-tui?tab=readme-ov-file#features repo: https://github.com/hako/oeis-tui gitHub releases: https://github.com/hako/oeis-tui/releases cargo:…
Nov 2025 · github.com · its alternatives →
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PixlQR▲53Dynamic QR codes + short links🔗+real-time analytics 📊📈
Aug 2026 · pixlqr.com · its alternatives →
- 13AU
2013 · mebe.co · its alternatives →
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Streamline your workflow with the power of Atomic + ChatGPT
2023 · chatgpt.atomiclife.app · its alternatives →
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Made this todo list + calendar heat map over a couple of weekends, so its rough, but should be valuable enough to be used. Currently stores data in local storage, but I'm working on persisting data with auth + a database. Features coming in the couple weeks: (1) Search, (2) Categories. Hope you find it useful!
2023 · todogrids.com · its alternatives →
- 23MW
2018 · date-format.xyz · its alternatives →
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An indie project for early 2010s internet addicts
2024 · jacobbartlett.substack.com · 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 →