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200 OK - 05f5.com
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HTTP Code 200 OK

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GET / HTTP/1.1
Host: 05f5.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Welcome! | Open Source Founders Summit</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="The conference about building financially successful and sustainable open source companies.">
<meta property="og:image" content="https://05f5.com/assets/img/logo/og.png" />
<meta property="og:title" content="Welcome!" />
<meta property="og:description" content="The conference about building financially successful and sustainable open source companies." />
<link rel="canonical" href="https://05f5.com/">
<link rel="shortcut icon" type="image/x-icon" href="https://05f5.com/assets/img/logo/osfs_xs.svg" />
<link rel="alternate" type="application/rss+xml" title="Open Source Founders Summit" href="https://05f5.com/feed.xml">
<link rel="stylesheet" href="https://05f5.com/assets/css/main.css">

    <link rel="stylesheet" href="https://05f5.com/assets/css/home.css">
</head>
<body class="home">
<header>
    <div class="decorator-frame"></div>
    <section class="first-header">
        <nav class="clearfix">
            <a href="/" class="logo"><span class="visually-hidden">Home</span></a>
            <a class="minicta" href="/request-invite">Get Tickets</a>
            <a href="/sponsor">Sponsor</a>
            <a href="/schedule">Schedule</a>
            <a href="/about">About</a>
        </nav>
    </section>
    <section class="second-header clearfix">
        <div class="second-header-container">
            <div class="what">Open Source Founders Summit 2025</div>
            <div class="when round">
                <span>May</span>
                <span>19-20</span>
            </div>
            <div class="where round">
                <span>Paris</span>
                <span>France</span>
            </div>
        </div>
    </section>
</header>

<main>
<div class="container clearfix">
    <section class="intro">
        <h1>The conference about building financially successful and sustainable open source companies.</h1>
        <h3>Do you ever feel like the entire startup ecosystem just doesn’t get your open source company?
        </h3>
        <p>Proprietary software founders don’t have to worry about how to build an open source project that’s
            good enough to be valuable to users — but not so good that it’s impossible to monetize.
            They don’t have to balance community and customers.
        </p>
        <p>If you’re building an open source company, those are among your core strategic challenges.
            OSFS is a no-bullshit place where founders of open source companies can learn from and collaborate
            with each other to build more successful individual businesses and a stronger ecosystem of open source
            companies.</p>
        <p><a href="/about">About</a></p>
    </section>
    <section class="growth">
        <h2>How will <a href="https://www.linkedin.com/company/open-source-founders-summit">#05F525</a> help your business grow?</h2>
        <h3>Get feedback, be inspired, meet your peers, and get unstuck.</h3>
        <p><strong>Benchmark your performance:</strong> See how your company’s stats measure up, which metrics to pay attention to, and how to make those metrics move in the right direction. </p>
        <p><strong>Gain new skills:</strong> Get concrete strategies and tactics to try out in your business.</p>
        <p><strong>Form lasting connections:</strong> Build relationships with industry leaders and peers.</p>
        <p><strong>Get unstuck:</strong> Workshop your specific challenges; get inspired by others’ approaches to similar challenges.</p>
        <p><a href="https://05f5.com/schedule">Browse the Schedule</a></p>
    </section>
</div>
<div class="container clearfix">
    <section class="participants">
        <h2>Who is participating?</h2>
        <h3>The event is for founders of open source companies, big or small.</h3>
        <ul class="avatars clearfix">
            
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
<div class="avatar">
    <a href="https://05f5.com/participants/frank-karlitschek">
        <img src="https://05f5.com/assets/img/participants/frank-karlitschek.png" alt="Frank Karlitschek ()">
    </a>
</div>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


            
    

    

    

    

    

    

    
<div class="avatar">
    <a href="https://05f5.com/participants/amandine-le-pape">
        <img src="https://05f5.com/assets/img/participants/amandine-le-pape.png" alt="Amandine Le Pape ()">
    </a>
</div>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


            
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
<div class="avatar">
    <a href="https://05f5.com/participants/john-o-nolan">
        <img src="https://05f5.com/assets/img/participants/john-o-nolan.png" alt="John O'Nolan ()">
    </a>
</div>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


            
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
<div class="avatar">
    <a href="https://05f5.com/participants/jonathan-ellis">
        <img src="https://05f5.com/assets/img/participants/jonathan-ellis.png" alt="Jonathan Ellis ()">
    </a>
</div>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


            
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    
<div class="avatar">
    <a href="https://05f5.com/participants/peter-zaitsev">
        <img src="https://05f5.com/assets/img/participants/peter-zaitsev.png" alt="Peter Zaitsev ()">
    </a>
</div>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


            
    

    

    

    

    

    

    

    

    
<div class="avatar">
    <a href="https://05f5.com/participants/anna-widenius">
        <img src="https://05f5.com/assets/img/participants/anna-widenius.png" alt="Anna Widenius ()">
    </a>
</div>
    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    

    


        </ul>
        <p>
            Some of the speakers & participants include:
            <a href="https://05f5.com/participants/frank-karlitschek">Frank Karlitschek</a> (NextCloud),
            <a href="https://05f5.com/participants/amandine-le-pape">Amandine le Pape </a> (Element),
            <a href="https://05f5.com/participants/john-o-nolan">John O'Nolan</a> (Ghost),
            <a href="https://05f5.com/participants/johnatan-ellis">Johnatan Ellis</a> (Datastax),
            <a href="https://05f5.com/participants/anna-widenius">Anna Widenius</a> (MariaDB),
            and workshop faciliatators such as
            <a href="https://05f5.com/participants/peter-zaitsev">Peter Zaitsev</a> (Percona),
            <a href="https://05f5.com/participants/kevin-muller">Kevin Muller</a> (Passbolt)
        </p><p>
        Expect conversations and workshops with leaders from open source organizations
        such as Docker, Spring, Mastodon, Penpot, Eclipse, Mailvelope, Centreon, Gatling, Zulip, Collabora, VLC,
        XWiki, Packagist, Dolicloud, :Probabl, FerretDB, YottaDB, Payara & <a href="/participants">more</a>...
    </p>
        <a class="cta" href="https://05f5.com/request-invite">Get tickets</a>
    </section>
    <section class="where">
        <h2>Where?</h2>
        <h3>La Rotonde Stalingrad, Paris</h3>
        <p>6,8 place de la bataille de Stalingrad, 75019 Paris, France. Next to Bassin de la Villette, in the heart of Paris.</p>
        <div class="images">
            <div class="decorator-scribble"></div>
            <div class="decorator-frame"></div>
            <img src="https://05f5.com/assets/img/photo/rotonde2.png" alt="photo of the rotonde atrium" />
            <img src="https://05f5.com/assets/img/photo/rotonde1.png" alt="photo of the rotonde entry" />
        </div>
    </section>
</div>

<div class="footprints">
    <div class="container clearfix">
        <h2>Sponsors</h2>
        <ul class="logos clearfix">
            <li><a href="https://www.emilyomier.com/" class="logo eoc"><span class="visually-hidden">Emily Omier Consulting</span></a></li>
            <li><a href="https://www.passbolt.com/" class="logo passbolt"><span class="visually-hidden">Passbolt</span></a></li>
            <li><a href="https://opensource.org" class="logo osi"><span class="visually-hidden">OSI</span></a></li>
            <li><a href="https://www.eclipse.org/" class="logo ef"><span class="visually-hidden">Eclipse Foundation</span></a></li>
            <li><a href="https://yottadb.com" class="logo yottadb"><span class="visually-hidden">YottaDB</span></a></li>
            <li><a class="cta sponsor" href="https://05f5.com/sponsor">Become a sponsor</a></li>
        </ul>
    </div>
    <div class="container clearfix">
        <section class="newsletter">
            <form action="https://app.keila.io/forms/nfrm_QNVeG73w" class="contact-form" method="post" >
                <h2>Signup to the newsletter</h2>
                <label for="contact_email" class="visually-hidden">Email</label>
                <input id="contact_email" name="contact[email]" type="email" placeholder="Email"/>
                <button class="newsletter-submit">Submit</button>
                <div class="smallprints">We respect your <a href="https://05f5.com/privacy">privacy</a></div>
            </form>
        </section>
        <section>
            <div class="socials">
                <h2>Keep in touch</h2>
                <a class="social icon-linkedin" href="https://www.linkedin.com/company/open-source-founders-summit"><span class="visually-hidden">Linkedin</span></a>
                <a class="social icon-github" href="https://github.com/05F5/05f5"><span class="visually-hidden">Github</span></a>
                <a class="social icon-email" href="mailto:[email protected]"><span class="visually-hidden">Email</span></a>
                <a class="social icon-twitter" href="https://twitter.com/05F5Summit"><span class="visually-hidden">Twitter/X</span></a>
                <a class="social icon-mastodon" href="https://mastodon.social/@OpenSourceFoundersSummit"><span class="visually-hidden">Mastodon</span></a>
            </div>
        </section>
    </div>
</div>

</main>
<footer class="clearfix">
    <nav>
        <a href="https://05f5.com/" class="logo"><span class="visually-hidden">Open Source Founders Summit</span></a>
        <a href="https://05f5.com/privacy">Privacy</a>
        <a href="https://05f5.com/code">Code of conduct</a>
        <a href="mailto:[email protected]">Contact Us</a>
    </nav>
</footer>
</body>
</html>

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