InboxFee – make strangers pay for their cold emails
Does the same job
all alternatives →

- SESignal – Edit emails in your Gmail inbox2013 · trysignal.com · ▲151
- VCVeropost – Charge people to send you email2017 · veropost.com · ▲45
- ETEmails That Win You Clients – A guide to cold emails (free chapter)2015 · emailsthatwin.com · ▲10
- UYUse Your Inbox As A Google Reader Replacement2020 · feedsub.com · ▲62
More life & fun this month
the category →- TL
Life & fun · 10d ago · louisabraham.github.io

Photosynthesis fires two of your iPhone
Life & fun · 28d ago · photosynthesis.camera
SoloUno▲310Take control of hair pulling, nail biting & skin picking
Life & fun · 28d ago · solouno.io

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 · 27d ago · baselashraf81.github.io
Launched alongside, June 2020
the whole month →



A fun diverse library of 3D avatars for your design mockups.
Work · 2020 · amrit.art
- AR
Life & fun · 2020 · unim.press
- HN
Life & fun · 2020 · wolfgangfaust.com