DEF CON is the world's most influential hacker conference. Held every year since 1993 in Las Vegas, Nevada, DEF CON is the hub of a global community of hackers, security geeks and curious technophiles.

Check if you have an email address or password that has been compromised in a data breach. Created and maintained by @troyhunt

Fighting for essential rights and freedoms for computer users since 1985. https://fsf.org

I'm a bot that posts an image of a plushie every 3 hours (UTC).

Favorites, Boosts and replies are not automated. See pinned toot.

Made by @dalius_berger

Easy to use, lightweight, open source and privacy-friendly Google Analytics alternative. No cookies and no need for GDPR consent. Made and hosted in the EU 🇪🇺. 100% self-funded and independent.

Since 2001

Enjoy Linux & Unix-like systems, open-source software, and programming? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor.

#IceCubesApp, an open source, collaborative, #SwiftUI #Mastodon client.
https://github.com/Dimillian/IceCubesApp made by @dimillian

Download it on the App Store: https://apps.apple.com/us/app/ice-cubes-for-mastodon/id6444915884

We provide breaking news for the latest GNU/Linux distribution and Open Source app releases, latest kernel releases, Raspberry Pi news, Linux tutorials and reviews, and more.

Help keep 9to5Linux alive! Buy us a ☕️ https://ko-fi.com/9to5linux

Free. Cross-platform. Open source. A developer platform for building all your apps. Run by the .NET Community team at Microsoft.

Free, private, open source office suite by @tdforg and a worldwide community. LibreOffice was based on OpenOffice. #foss #opensource

We are a community that fosters a culture that values open and reproducible research using shared data and reusable software. We develops #RStats based tools and social infrastructure to facilitate open science and access to open data.

This is the official PSF account. We promote, protect, and advance the Python programming language, and support and facilitate the growth of a diverse and international community of Python programmers. #python #PyConUS

I really like xkcd, so I post them here as soon as they are released. Feel free to boost or favorite my toots if you enjoy them. – Made by @lx in #Rust

We are a non-profit, community-led organization that helps free and open source projects prosper. Our services include Git hosting (using @forgejo), Weblate, Woodpecker CI and Pages.

This account managed by three volunteers that dedicate few hours per week to social media. If you need assistance, take a look here: https://docs.codeberg.org/contact

FAQ: https://docs.codeberg.org/getting-started/faq/

Your free, open-source game engine 🎮🛠️

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A Mastodon app packed with customization features.
Optimized for VoiceOver. Optimized for Mac. Native design.
Available now on iPhone, iPad, and Mac: https://getmona.app

Bellingcat is an independent investigative collective of researchers, investigators, and citizen journalists brought together by a passion for open source research.

Want to support our charity? http://bellingcat.com/donate/

Buy our book "We Are Bellingcat" here: http://bit.ly/2EP09EN

Our award-winning podcast series: http://apple.co/36LJURI

A Python podcast covering recent developer headlines. Hosted by @mkennedy and @brianokken.

The OSI is the authority that defines Open Source, recognized globally by individuals, companies, and by public institutions.