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International Optimist Dinghy Association
Official site of the International Optimist Dinghy Association with news, events, and resources for sailing enthusiasts worldwide.
Connect with the global Optimist sailing community
This website is the official hub for the International Optimist Dinghy Association, dedicated to the youth sailing class known as the Optimist. You can find the latest news, event information, and resources related to Optimist dinghy sailing around the world. It serves as a central place for sailors, coaches, and fans to stay informed and engaged.
Whether you want to check upcoming championship events, browse photo galleries, or learn about class developments, this site offers a variety of multimedia and informational content. It also provides links to social media channels and newsletters, making it easy to connect with the broader sailing community.
Designed for sailors of all levels, parents, and sailing supporters, the site helps you stay up to date on international competitions and community activities. It’s a welcoming space to follow the sport, participate in events, and connect with fellow Optimist enthusiasts globally.
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Cornell Anime Club is a student-run community at Cornell University that brings anime fans together with weekly showings, cosplay, and fun events.
Anthrocon is an annual convention for fans of anthropomorphic art, stories, and costumes, bringing together artists, writers, and enthusiasts each summer in Pittsburgh.
Track and share all your concert experiences, connect with fellow fans, upload photos and videos, and explore a community-driven concert archive.
Glasgow 2024 hosts the World Science Fiction Convention, offering event info, schedules, and community updates for sci-fi fans attending in Scotland.
Connect with Broadway fans and professionals, discover event details, and explore the world of live theatre at BroadwayCon.
Global Game Jam brings together creators worldwide to design and build games in a short, collaborative event. Connect, create, and share your projects.
The Interactive Fiction Competition invites creators to enter, judge, or follow text-based story games each year, fostering a community around interactive fiction.
Civic Hall offers flexible spaces and resources for startups, events, and learning, helping innovators connect, create, and grow their ideas.
Discover and participate in the Clermont-Ferrand International Short Film Festival, offering screenings, events, and opportunities for film lovers and professionals.
World Space Week connects people worldwide to celebrate space science, events, and education every October as part of a global UN initiative.
Follow the Bridgestone World Solar Challenge 2025 for updates, event details, and news celebrating solar-powered vehicle innovation and sustainable mobility.
Join a vibrant community celebrating storytelling through events, resources, and recordings. Get involved, learn, or enjoy stories at the Timpanogos Festival.
Official site of the Boston Athletic Association, home to the Boston Marathon and other races, with info on events, volunteering, and community programs.
Science Hack Day connects people worldwide to create science projects in fun, collaborative events. Join or organize a hack day in your city.
Join the Nowhere community to connect, participate, and prepare for their unique annual event with guides, updates, and volunteering opportunities.
Arisia is a community-driven event where fans and creators gather for panels, activities, and fun. Find info on registration, hotels, schedules, and more.
Discover everything about the Head Of The Charles® Regatta, a major rowing event with race results, info for competitors, spectators, and volunteers.
Comic-Con International shares event news, schedules, and highlights for fans of comics, movies, and pop culture. Discover past guests and program info.
Open Data Day is a global event where people and groups celebrate open data, host local activities, and connect with others passionate about data sharing.
Official site for HackKU 2025, a 36-hour student hackathon at the University of Kansas with workshops, networking, and project competitions.
The Brooklyn Book Festival brings together authors, readers, and publishers for free literary events, book signings, and a vibrant marketplace in NYC.
Discover Memphis in May, an international festival celebrating Memphis culture with events, contests, and activities for the whole community.
She’s Geeky hosts unConferences where women geeks connect, share ideas, network, and learn together in a fun, inclusive environment.
Join creative minds worldwide for a 48-hour event to design, prototype, and play with new service ideas inspired by a secret global theme.
A UK non-profit camping festival for makers, hackers, artists, and anyone curious about technology, creativity, and science. Join talks, workshops, and activities.
Join the largest national Latinx student leadership conference to connect, learn, and create action plans for diversity and social justice in higher education.
Connect with a global community of game creators of color, discover new voices in gaming, and join the annual expo celebrating diversity in game development.
Worldwide Optiworld.org Alternatives
Castlefest brings fantasy lovers together with music, entertainment, and unique experiences at an annual festival in the Netherlands.
Join the Ajax Supporters Association for news, events, exclusive benefits, and a lively community for Ajax football fans. Site in Dutch.
Find tickets, news, and updates for New York Comic Con—NYC's biggest pop culture event with panels, cosplay, merch, and more. Tickets go on sale in June.
Lucca Comics & Games is a major Italian festival and online hub for comics, games, vintage pop culture, and creative events. Site in Italian.
Grugapark Poké-Liga brings Pokémon fans together for a real-life adventure event in Grugapark, featuring tournaments, challenges, and community fun. (German site)
Star Wars Celebration brings fans together for exclusive panels, exhibits, screenings, and more, celebrating everything from movies to merchandise and art.
Submit, review, and vote on session ideas for SXSW and SXSW EDU with PanelPicker®, the official platform to help shape the festival's programming.
Get Together helps you connect, create, and join events in your community. Easily host gatherings, find local teams, and meet people with shared interests.
ワンダーフェスティバルは、ガレージキットやホビー好きが集まる日本の大型イベント。参加申込や最新情報が見られます。
Melbourne Writers Festival brings together readers and writers for live events, talks, and workshops celebrating storytelling in all its forms.
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