Twofu: A Two-Factor Authenticator Command-Line App
A Two-factor Authenticator Command-line App. Contribute to ukazap/twofu development by creating an account on GitHub.
Twofu: A Two-Factor Authenticator Command-Line App launched on January 23, 2016 with 11 votes, #2,112 of 4,523 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Twofu is a command-line application that generates two-factor authentication codes. It is designed for developers who need to manage authentication credentials from the terminal. The tool allows users to store and generate time-based one-time passwords for securing their accounts, making it useful for those who work primarily in command-line environments.
written from the facts on this page · September 2026
Does a similar job
all alternatives →
2FA, a one-file 2-factor authentication app written in Python2020 · gist.github.com · ▲82-factor authentication terminal app in Python. GitHub Gist: instantly share code, notes, and snippets.


Authenticator by 2Stable2021 · authenticator.2stable.com · ▲66Secure, encrypted and fast two-factor authentication app
TypingDNA Authenticator2018 · typingdna.com · ▲3152FA codes in your browser, secured by the way you type
A virtual Yubikey device for 2FA/WebAuthN2022 · github.com · ▲166A Virtual FIDO2 USB Device. Contribute to bulwarkid/virtual-fido development by creating an account on GitHub.
More dev tools this month
the category →

open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 27d ago · github.com

Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 25d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲345Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 20d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Show HN post ↗
Launched alongside, January 2016
the whole month →
Website Grader▲768Grade your website's strengths and weaknesses in seconds.
Growth · 2016 · website.grader.com


Clearbit Connect▲723Rapportive on steroids. See data about contacts in Gmail.
Growth · 2016 · clearbit.com

Create a viral waiting list in 60 seconds
Growth · 2016 · app.referralhero.com