Life & fun · September 22, 2022
Unita
Discover, compare and review the best communities and groups
In plain words
Unita is a directory of over 900 communities organized across more than 30 categories, allowing users to discover and compare groups by platform, language, format, and cost. The platform helps people find communities that match their interests and offers the ability to review groups they already participate in. It serves community-seekers looking to connect with others who share similar interests.
written from the facts on this page · September 2026
From the sources
Unita is a directory with more than 900 communities where you will find your tribe. Explore across +30 categories, filter by platform, language, online or in person, paid or free. Review the communities you already are to help others.
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the category →- TL
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
Life & fun · 26d ago · everycube.alen.is
Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
Launched alongside, September 2022
the whole month →- IM
Life & fun · 2022 · dogbunnypuzzle.com
- IM
A couple of years ago, I had an interesting idea. What if there was a marketplace where all the underlying tech was open-source? The order management system, the storefront, customer support, etc. The marketplace would simply connect to the seller’s infra instead of locking them in. If, for some reason, the seller is removed from the marketplace, their software stays with them and they can continue accepting orders directly. This model can be used to disrupt any marketplace from AirBNB to UberEats: building tech for home renters and restaurants and later, leveraging that to build a competing…
Dev tools · 2022 · openship.org
