Hacker101

What it does

Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.

Hacker101 is a free class for web security. Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.

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  Hacker101 – A Free Web Security Class2018 · hacker101.com · ▲33

  Hacker101 is a free class for web security. Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.

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  Practice.dev 2.02021 · ▲119

  Learn programming for free. Backed by Crypto.

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  Crypto 1012014 · crypto101.io · ▲126

  Free Intro course on cryptography available for programmers

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  Security Training for Developers2016 · hacksplaining.com · ▲128

  Hacksplaining teaches secure coding through interactive lessons where you exploit attacks, then learn fixes. Free. 45+ lessons covering OWASP Top 10 and AI-era threats.

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  Servers for hackers2015 · serversforhackers.com · ▲96

  Server Admin for Programmers

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  Hack Club2016 · hackclub.com · ▲182

  Free and open source high school coding clubs 👊💥

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  /dev/null▲481

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

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  Talanoa▲341

  Hi 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

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  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

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  Stripe Billing▲1,030

  Billing and subscriptions for fast-growing businesses

  Dev tools · 2018 · stripe.com

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  New Gmail▲935

  The new version of Gmail web

  Work · 2018 · blog.google

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  The Business Messenger by Intercom▲905

  More than just chat. Intercom's new app platform.

  Life & fun · 2018 · fin.ai

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  1.1.1.1 by Cloudflare▲871

  The Internet’s fastest, privacy-first DNS resolver

  Dev tools · 2018 · one.one.one.one

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  Artboard Studio▲732

  Online graphic design app mainly focused on product mockups.

  Growth · 2018 · artboard.studio

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  Grasshopper▲654

  The coding app for beginners by Google

  Dev tools · 2018