This event is free for those that attend. We aim to sponsor the travel and accommodation costs for those who can not otherwise get funding, we also provide refreshments and work space during the day.

In order to help cover these costs we would be delighted to receive donations of any size. If you, or your company, would like to sponsor this event please email elbeho @ with PTS2023 in the subject. You can also make a donation here.

We want to thank the companies, organisations, inkind and individual sponsors that help us make the Perl Toolchain Summit 2023.

Diamond Sponsor

Founded in 1996 in Amsterdam, has grown from a small Dutch startup to one of the world’s leading digital travel companies. Part of Booking Holdings Inc. (NASDAQ: BKNG),’s mission is to make it easier for everyone to experience the world.

By investing in the technology that helps take the friction out of travel, seamlessly connects millions of travellers with memorable experiences, a range of transport options and incredible places to stay - from homes to hotels and much more. As one of the world’s largest travel marketplaces for both established brands and entrepreneurs of all sizes, enables properties all over the world to reach a global audience and grow their businesses. is available in 43 languages and offers more than 28 million total reported accommodation listings, including over 6.6 million listings alone of homes, apartments and other unique places to stay. No matter where you want to go or what you want to do, makes it easy and backs it all up with 24/7 customer support.

Gold Sponsors

Grant Street Group

Grant Street Group specializes in cloud-based government solutions for tax collection, e-payments, and auctions. Our applications handle the billing, collection, and distribution of taxes, as well as payment processing and online auctions of financial and legal instruments.
Nearly two-thirds of all property taxes in the state of Florida ($21 billion) are collected using TaxSys®, our fully hosted tax billing and collection solution. One-third of online vehicle and vessel registration renewals in the state are processed using RenewExpress®.

PaymentExpress®, our secure e-payments service, processes over $20 billion in credit card and e-check transactions annually.

Grant Street is also the world’s largest internet auctioneer. To date, we’ve conducted online auctions of bonds, notes, tax certificates, and other financial and legal instruments for more than 6,800 government and financial entities, with a value exceeding $13 trillion.

From Miami-Dade County to the State of New Mexico to the City of San Francisco, government entities from coast to coast rely on Grant Street products to deliver technological solutions that truly work.



Deriv is one of the world’s largest online brokers. We offer CFDs and other derivatives on forex, stocks & indices, cryptocurrencies, commodities, and derived to millions of registered users across the globe.

From inception, our goal was to break free of the high commissions and clunky products offered by traditional brokers. Also, we aim to deliver a first-class experience to digitally inclined traders, regardless of the size of their accounts.

In a journey spanning more than 22 years, we have grown to over 2.5 million customers worldwide. But our mission has remained the same.

Make trading accessible to anyone, anywhere

We are hiring!



Fastmail is the privacy-focused future of email. Devoted to contributing to a better internet through our use of open-source email standards, Fastmail is thoughtfully crafted by email experts and is easy to use.

Fastmail puts our customers back in control of their data. Customizable and packed with productivity features, Fastmail combines the personal and professional. Reclaim your time by upping efficiency with email, calendar, and contacts in one convenient place and an excellent support team just a click away.

With plans starting at just $3/month, Fastmail’s data practices put you first. Trusted by customers for over 20 years, Fastmail is the perfect, private, productive way to make email yours!

Silver Sponsors

Perl Carers

We help Perl Developers Land Their Dream Job.

Perl Careers is a Perl-focused recruitment consultancy, run by a Peter Sergeant, a CPAN contributor (PAUSE id SARGIE) with a recruitment background, rather than by a non-technical person.
Peter works with clients and candidates in London, the US, and Australia.
Peter attended several PTS as well, to work on some of his Test modules.



Since 1996, cPanel, Inc has been delivering the web hosting industry’s most reliable, intuitive control panel. The robust automation software helps businesses thrive and allows them to focus on more important things. Customers and partners receive first-class support and a rich feature set, making cPanel & WHM the hosting platform of choice.


Maxmind provides IP intelligence through the GeoIP brand. Over 5,000 companies use GeoIP data to locate their Internet visitors and show them relevant content and ads, perform analytics, enforce digital rights, and efficiently route Internet traffic. Businesses can obtain additional insights into their customers' connection speeds, ISPs, and more using GeoIP data. MaxMind's industry-leading minFraud service helps businesses prevent fraudulent online transactions and reduce manual review.
The minFraud service is used to screen over 175 million e-commerce transactions and account registrations a month. Over 7,000 e-commerce and other online businesses benefit from the minFraud service through our client and partner networks.


Developers change the way the world experiences the web: they drive the next groundbreaking innovation, power the companies that connect us, and create experiences that can transform our lives. And we built Fastly to make sure they always have what they need to make it happen.

Our powerful edge cloud network empowers developers to run, secure, and deliver websites and applications — as close to the users as possible, to create unforgettable experiences at global scale.

Bronze Sponsors

Perl Maven is the training and contracting company of Gábor Szabó, CPAN author (SZABGAB) and test automation enthusiast. In January 2023, he pledged to give all the proceedings of one of his Open Source Development Course to the Perl Toolchain Summit.

Perl services is the contracting company of Renée Bäcker, a CPAN author (RENEEB) since 2004.

Oetiker+Partner is a Swiss-based software consultancy that almost exclusively use open source software.
Beyond their customer projects, they have open-sourced a number of their own projects.

OpenCage uses Perl to offer their customers a highly-available, worldwide, easy to use, geocoding API based on open data.
OpenCage also sponsors

Procura serves local government with ICT projects in the Netherlands.


Les Mongueurs de Perl (the French Perl Mongers) help making this event by providing support for the website and the financial aspects.