Life & fun · alternatives · 2026

24 alternatives to Mitigating the spread of respiratory infections in indoor spaces

Hello HN, Almost 15 years into being a (rather quiet) user of HN, I am thrilled to write my first Show HN post! Early in the pandemic, we looked to devise a system that would drastically reduce the risk of spreading Covid-19 when people gathered in a room. The system would need to disinfect the air rapidly to keep the concentration of virions in the space low enough so the risk of cross infection would be drastically cut [1]. It became clear that an effective system would need to draw air away from the breathing space so that the exhaled air from an infected individual would not impinge upon…

This system reduces respiratory infection spread in indoor spaces by capturing exhaled air away from the breathing zone and rapidly disinfecting it before recirculation. Designed during the pandemic, it lowers airborne… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mitigating the spread of respiratory infections in indoor spaces launched in 2022; newer entries below may have overtaken it.

1IM
I'm 66 and created a negative-pressure dental clinic to combat Covid19▲13
Hello everyone, My son loves Hacker News, so I am using his account. I love innovation and technology. With the restrictions due to Coronavirus from practicing in my clinic. I created a system that replaces the air in my office in 20 seconds. Those vacuums are also filled with UV-rods inside to kill any viruses. The air is release below the office in a 2-3 foot basement, which is also filled with UV rods. https://youtu.be/UfYt1w156QA https://youtu.be/UpO8WXOlgcQ (side-by-side) Given how much my son enjoys Hacker News I thought you would all enjoy it. Here are…
2020 · its alternatives →
2
#Masks4All▲193
Wear a homemade mask to slow the spread of COVID-19
2020 · masks4all.co · its alternatives →
3
Flatten the Curve▲144
Learn how you can help fight coronavirus - using math!🤓
2020 · flattenthecurve.herokuapp.com · its alternatives →
4
SaaS for COVID▲287
A directory of discounts on popular SaaS companies
2020 · saasforcovid.com · its alternatives →
5
I made a p5.js simulation that shows how masks reduce Covid spread▲9
Visualize how wearing a mask reduces the spread of COVID-19. Anyone can help stop the spread by wearing a mask.
2020 · justwearit.fyi · its alternatives →
6
The COVID-19 Workplace Cleaning Playbook▲6
What organizations need to know about spreading Coronavirus
2020 · drive.google.com · its alternatives →
7
A list of discounted SaaS products which you can use to fight Covid-19▲56
2020 · saasforcovid.com · its alternatives →
8AC
A Covid-19 testing location site that a group of us are building▲305
2020 · findcovidtesting.com · its alternatives →
9
Reboot▲69
Design your office workflow during COVID-19 and after
2020 · its alternatives →
10
COVID-19 Trends▲260
See the growth and decline of topics affected by COVID-19
2020 · meetglimpse.com · its alternatives →
11
ImmuneCorps▲170
An army of the young and the low-risk helping people in need
2020 · immunecorps.com · its alternatives →
12
Just stay home▲150
Track the coronavirus (covid-19) pandemic per country 🌍
2020 · its alternatives →
13
Coronavirus Pandemic Simulation▲71
Simulate pandemic visually and test scenarios on browser.
2020 · its alternatives →
14
CovidCamp▲76
Connect with your neighbors during the COVID-19 pandemic.
2020 · its alternatives →
15
PostCorona▲93
Write yourself a letter. Receive it when coronavirus ends.
2020 · its alternatives →
16
A subtly obvious e-paper room air monitor▲65
In the cold season we tend to keep the windows closed. The air gets "stale": humidity often rises above 60 %, which can harm our wellbeing and promote mould. At the same time the CO₂ level in the air increases, which impacts our ability to concentrate. So I built a room air monitor that stays unobtrusive as long as everything is in the green zone, but becomes deliberately noticeable once thresholds are exceeded. For my personal love of statistics I also visualise the measurements in a clear dashboard.
Nov 2025 · nicolin-dora.ch · its alternatives →
17
Covid Signage Kit for Offices▲130
Illustrated safety instructions printed on stickable frames
2020 · covid.mixtiles.com · its alternatives →
18
Find ways to help your community as we grapple with Covid-19▲33
Find opportunities to help your community fight covid-19
2020 · pandemicsupport.info · its alternatives →
19
HowWeFeel▲95
Self-report how you feel to help stop the spread of COVID-19
2020 · howwefeel.org · its alternatives →
20
How bad is the corona virus?▲70
Visualize how dangerous the exponential growth of COVID19 is
2020 · its alternatives →
21
Healthcast▲78
Privacy friendly post-lockdown COVID-19 contact tracing
2020 · its alternatives →
22
COVID-19 Personal Risk Explorer▲72
See how COVID19 affects your life risks at home or traveling
2020 · its alternatives →
23
Discounted Tools for Remote Teams▲37
COVID-19 Crisis Survival
2020 · dragapp.com · its alternatives →
24
Covid Guard▲70
The global COVID-19 screening platform
2020 · 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 →