B2 Mask

Superior Respiratory Protection

B2 Mask launched on May 3, 2020 with 1 votes. The site was not reachable when checked in September 2026.

What it does

Superior breathing protection made available to everyone. Every mask sold supports donations to those in need of respiratory protection.

Blanc Mask2020 · kickstarter.com · ▲198
Your full-face modular mask with HEPA filters
I bought and tested the filtration of every mask on Amazon2022 · armbrustusa.com · ▲594
What are the best masks to protect you from Covid-19? We're testing surgical masks, non-medical 3 ply face masks, N95 masks, KN95 masks, KF94 masks, and cloth masks.
Mask Match2020 · mask-match.com · ▲124
Send your N95 masks to healthcare workers who need them
purME Air2021 · indiegogo.com · ▲107
Face mask that makes your breathing super safe and easy
air2021 · microclimate.com · ▲99
The full faced super mask
Vote Mask2020 · ▲82
Wearing a mask saves lives, your vote does too.

SimCity, but with Permits▲919
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 2d ago · permit.petercai.com
IV
I've been paying for a rural Tanzanian's education for 10 years▲778
Life & fun · 14d ago · tanzaniaeducationproject.org
Bigwords.page – Turn any screen into a sign. The URL is the app▲728
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 15d ago · bigwords.page
Guitoro, a virtual guitar you strum with your keyboard▲573
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 9d ago · guitoro.com
See *almost* any carriers phone settings▲432
Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 13d ago · carrierexplode.com
The whole Solar System and every tracked satellite, live in the browser▲407
Life & fun · 23d ago · space.bl2.net

Blush▲1,462
Illustrations for everyone
Dev tools · 2020 · blush.design
SHA-256 Animation▲1,053
Animation of the SHA-256 hash function in your terminal. - in3rsha/sha256-animation
Dev tools · 2020 · github.com
This Word Does Not Exist▲956
This Word Does Not Exist uses an artificial intelligence model named GPT-2 to invent new English words.
AI · 2020 · thisworddoesnotexist.com
P3
Plotting 3 years of hourly data in 150ms▲785
Life & fun · 2020 · leeoniya.github.io
Untools▲783
Hand-picked tools for better thinking
Work · 2020 · untools.co
Copytesting▲781
Improve your website copy based on data from your audience
Growth · 2020 · wynter.com