Decentralized Systems & Applications

Potkáme se a dáme si dva kratší talky, které mají za úkol hlavně otevřít diskuzi. Tohle není přednáška ve škole – je to prostor pro zvídavce, kteří chtějí sdílet, ptát se a posouvat se dál. Vezmi s sebou nápady, otázky nebo jen chuť potkat další lidi, kteří přemýšlejí podobně. talks: 🎤 Ondrej Hatala - Open Code a Kimaki 🎤 Jakub Karlec - Design system sync (figma**↔**code) \-\-\- Přijdte od 17h si dát večeři, v 18h začne první přednáška v 19h druhá **Ondrej Hatala - Open Code a Kimaki** nadšený objaviteľ stále nových vecí, ktorým ešte celkom nerozumie. O to radšej o nich však rozpráva. OpenCode a Kimaki – Skúšali ste sa už rozprávať so svojím terminálom? Ukážeme si open-source BYOM stack („bring your own model“) postavený na OpenCode a Kimaki. \-\-\- **Jakub Karlec - Design system sync (figma↔code)** Jakub je spolumajitel designového studia 2FRESH. Věří, že dobrý design mění svět k lepšímu. Přes dvacet let pracoval jako vývojář a designér pro startupy i firmy z Fortune 500. V posledních letech má na starosti obchod, do kterého se snaží promítat principy design thinking. Na open-source projektu http://cal.com testuju, jestli je možné udržet design systém ve Figmě a v kódu skutečně 1:1. Postavil jsem sadu Claude Code skills, které díky Figma Console MCP a JSON mezivrstvě synchronizují tokeny, properties i komponenty. Z chyb, které agent dělá, se snažím postupně vytvářet nová pravidla, aby se celý systém průběžně zlepšoval. Je to dost bolestivý proces :-) \-\-\- Vibecoders vítáni :huggin-face: MCP EVERYWHERE \-\-\-

Complete your event RSVP here: [https://gdg.community.dev/events/details/google-gdg-cloud-berlin-presents-cloud-next-26-amp-rooftop-networking-building-agents-with-adk/](https://gdg.community.dev/events/details/google-gdg-cloud-berlin-presents-cloud-next-26-amp-rooftop-networking-building-agents-with-adk/) Hi. We are delighted to invite you to our hybrid (virtual and onsite RSVP available) April gathering at [Ojin AixHaus in Mitte](https://ojin.ai/community). We’ll be unpacking the top highlights from Google Cloud Next '26 its 22-24 of April [(register to get virtual spot)](https://www.googlecloudevents.com/next-vegas/) and sharing expert insights on the Agent Development Kit. **The Agenda** * 6:00 pm: Doors open for snacks, drinks, and a bit of a chinwag * 6:45 pm: Kick-off with the Ojin AixHaus crew * 7:00 pm: Google Cloud Next '26: The highlights! * 8:00 pm: [Iliyan Peychev](https://www.linkedin.com/in/iliyanpeychev/): Evolving Cloud Run Apps into Agents with ADK *Agents are here to stay, and Google’s ADK makes building them from scratch more accessible than ever. But in the real world, we rarely start with a blank slate. What if we have battle-tested Cloud Run applications already using Gemini that we need to evolve? How can we get the benefits of the Agentic world without a full rewrite? This session focuses on moving from manual controllers and service orchestration to Multi-Agent systems with Google’s ADK. We will explore the practical "why" and "how" of this architectural shift, along with the real-world caveats and pitfalls.* * 9:00 pm: 🍕🍻 Rooftop Drinks & Networking (with a view!) * 10:00 pm: Doors close **🙏 Thanks & Credits** A massive thank you to **[Ojin AixHaus Community ](https://ojin.ai/community)**crew for letting us in their brilliant space! **Follow Ojin AixHaus on socials: [Instagram ](https://www.instagram.com/ojin.ai/#)[Lin](https://ojin.ai/community)[kedin ](https://www.linkedin.com/showcase/ojin-aixhaus/)[X](https://x.com/Ojin_AI)** We’d love to see you there! ***

We are a group of runners who meet most weeks for a run around the beautiful Vltava River's edge. You can bring your running shoes straight from the office/home office if you don't have time to stop at home. There will be a place to put your bags in the Cafe. We will run about 9 km along the river and have a drink afterwards. Paces vary! We will meet in the square near Kavarna Liberal (Hermanova 6), near the Vltavska metro/tram stop at 6:30 on Wednesday. See you there!

**5-a-side Football** practice at Rajská Zahrada artificial grass pitch. No cleats shoes. Maximum of 15 participants for a 3 teams of 5 rotating. **Kick off at 18h00**. Everybody is welcome, no age, gender nor any restriction of any type to join. Cost: **90 crowns**. Please send the money using the **QR Code** stored here: https://imgur.com/a/G8NWGjM In case of any Opt-out within 24h of the session, or no show, the payment will be due (you still can ask someone to come instead of you, as your spot will be booked)

**The most welcoming dance floor on a Wednesday night in Prague**💃✨ Forró is a rhythmic Brazilian dance known for its warm, welcoming community and very casual dance floor vibes. ✅ **No experience needed** → We kick off at 7:45 PM with a quick introduction to the basics.🕺 ✅ **No partner needed** → We rotate after every song. If you feel like dancing, simply ask anyone taking a break to join you. 👋 ✅ **No dress code** → Wear casual basics. You can dance in socks or barefoot. 👣 ✅ **No pressure** → There is a bar at the venue for lemonade or some liquid courage. Entry is voluntary (usually 150 CZK via cash or QR code). Social dancing is better than the gym, cheaper than therapy and there is no small talk. If you love to move and want to make new friends, simply show up on Wednesday and let's dance!! 💃✨

Calling all board game enthusiasts in Prague! Join us for an exciting evening of fun and games at Sophie's Hostel! Whether you're a seasoned strategist or just looking for a casual night of entertainment, this event is perfect for everyone. Bring along your favourite board games or discover new ones from our collection. From classic favorites like Settlers of Catan, Carcassone or Ticket to Ride to modern gems like Codenames, Wyrmspan or Azul; from the simple UNO, Jenga or Pachisi to heavyweights like Brass: Birmingham, Root or Inis - there's something for every taste! Connect with fellow expats, make new friends, and challenge your skills in a welcoming and laid-back atmosphere. Don't worry if you're new to the city or don't know anyone — this is the perfect opportunity to mingle and bond over a shared love of tabletop gaming. Every Wednesday from 19 to... whenever they start preparing breakfast at the hostel. Mark your calendars, gather your game crew, and get ready for an unforgettable night of board game bliss! There is no entrance fee, but please support the hostel by ordering drinks. Let's roll!

🎤🔥 OPEN MIC \| JAM SESSION @ Tequila Tales 🔥🎶 Ready to step on stage, grab the mic, and let your talent shine? ✨ We’re launching a weekly Open Mic \| Jam Session — a vibrant\, inclusive space where artists come together to create\, experiment\, and perform in front of an energetic\, supportive crowd 🎭💛 📅 Every Wednesday 🚀 First Edition: Wednesday, 21st January 2026 🎭 Who can perform? 🎤 Poets & spoken word artists 😂 Stand-up comedians 🎸 Musicians & bands 🎭 Improv & theatre performers 🪄 Magicians & experimental acts ⏱ Performance slots: 15–20 minutes 🎶 Open format \| Free entry \| Community vibes only 📝 Want to perform? Sign up here: 👉 https://forms.gle/uwcZcDdGkBwM3Yqs9 ⏰ Signup deadline: Sunday 19:00 (same week) 📋 Final roster announced: Monday ⚠️ Late requests may be considered via WhatsApp on Monday & Tuesday only if slots are available — no guarantees once the lineup is full. Whether you’re testing new material, performing for the first time, or just soaking in the creative energy — this stage is yours 🎶🔥 Come perform, come support, come vibe ✨🍹 🎤💥 Every Wednesday. One mic. Endless talent. 💥🎤

Join **RSP Adventures** for an unforgettable hiking day in Bohemian Paradise (Český ráj), one of the most spectacular natural regions in the Czech Republic. Just 90 km from Prague, this protected landscape feels like stepping into a world of towering sandstone cliffs, forest trails, hidden viewpoints, and fairytale castles. We’ll hike along the famous Golden Path through the Hruboskalsko Rock City — a maze of dramatic sandstone towers connected by scenic ridges and stone staircases carved directly into the rocks. Expect breathtaking panoramas at every turn. A major highlight is Hrubá Skála Castle, perched high above the rock formations. Originally founded in the 14th century, the castle offers stunning views over the surrounding landscape. In the distance, we’ll also spot the iconic twin towers of Trosky Castle, rising dramatically from volcanic hills. Sandstone giants, epic viewpoints, and a full day of adventure — this is the Czech Republic beyond the city, active and unforgettable. Distance : 13 km (about 7 hours) Difficulty Rating : Moderate to Moderately Strenuous **Tour Highlights :** • Hassle-free day trip to Bohemian Paradise from Prague • Professional and friendly guide • Transportation by air-conditioned bus • Tour of the Castle Valdštejn • Tour of the Hrubá Skála Château - "Zámek Hrubá Skála" • Explore the Rock Town Hrubá Skála “Hruboskalské skalní město“ • Visit the "Symbolic Climber Cemetery" • Coquer the Mariánská Lookout “Mariánská vyhlídka“ • Walk through the Mouse hole “Myší díra” • Visit Adam's bed “Adamovo lože” • Discover The Lighthouse “Maják“ • Viewing tower in Hlavatice “Skalní útvar Hlavatice“ • See the Dragon rocks “Dračí skály” • Savor traditional cuisine at a charming local restaurant. You can pay for the trip via: • Bank transfer: 7392420507/6363 • Revolut: @augustetqc • Wise: @agustind162 **More information at :** [https://www.facebook.com/events/1040973505773326](https://www.facebook.com/events/1040973505773326)

You went on that retreat, read the book, committed to meditate daily. And here you are at 3 am, drunkenly staring down a Žižkov doner, wondering what went wrong. You are not alone! Come share your spiritual misadventures. Its a space where you can bring a poem, story, koan etc. Or just come and hang out. All paths and experiences are welcome. We are meeting at Stromovka Park, near Rudolfov rybník. Bring something to sit on, pets are also welcome! We’ll start with an opening circle, short group meditation and then move into sharing and discussion.

Join **RSP Adventures** for a unique hiking adventure through the stunning Bohemian Karst (Český kras) nature reserve — a landscape of limestone hills, dramatic cliffs, deep canyons, and towering rock formations just 30 km southwest of Prague. Our journey will take us through scenic forest trails and panoramic viewpoints, before descending into the mysterious Koněprusy Caves — the largest and longest-known cave system in Bohemia. Hidden beneath the surface, this underground world is filled with ancient dripstone formations, fascinating geology dating back millions of years, and legends that add a touch of mystery to every corner. Whether you're into nature, geology, or a bit of underground adventure, this trip has something for everyone! We can end the day with a nice tour and meal at the family brewery Medvěd where they have great food and an excellent beer selection Distance : 11 Km (aabout 7 hours) Difficulty Rating : Moderate **Tour Highlights :** • Professional and friendly guide • Transportation from Prague • Entrance fee to the caves • Visit Kodské kaskády • Cimb to the Vyhlídka na lom Čertovy schody • Visit Aksamitova brána (Velvet Gate) • Explore the Kosov Quarry • Savor traditional cuisine at a charming local restaurant. You can pay for the trip via: • Bank transfer: 7392420507/6363 • Revolut: @augustetqc • Wise: @agustind162 **More information at :** [https://www.facebook.com/events/1079722548564497](https://www.facebook.com/events/1079722548564497)

**ВАЖЛИВО! Зареєструйтеся на [Luma page](https://luma.com/be1oxtyg)** Приходьте розібратись, чому софтскіли вирішують більше, ніж здається. Бо справа не тільки в тому, що ви робите, а в тому, як ви ведете процес: від першого контакту до фінальних домовленостей. Поговоримо коротко і по ділу: * як брифити без зайвих «уточнень» * що робити на кікофі, щоб не загрузнути в хаосі * як тримати фокус за допомогою простих інструментів (типу lean canvas) * і розберемо реальні кейси з клієнтами — з усіма нюансами **Спікери:** * [​](https://www.linkedin.com/in/olexworld/)**[Євген Олексюк](https://www.linkedin.com/in/olexworld/)**, Senior UX Designer в EPAM, куратор курсів UX Design Beginning та UX Design Medium у Projector Online Institute, ментор Projector Mentorship * [​](https://www.linkedin.com/in/vadym-kulatsky/)**[Вадим Кулацький](https://www.linkedin.com/in/vadym-kulatsky/)**, Senior UI/UX Designer в Stfalcon * **[Віталій Шматлай,](https://www.linkedin.com/in/shmatlai/)** Business Analyst in P2H, Inc * **​[Наталя Гринчук](https://www.linkedin.com/in/nataliahrynchuk/)**, модераторка **📍 Деталі події** **30 квітня (четвер)**, **19:00** *EET (Україна)* Локація: **МУСКАТ** *(вул. Подільська, 70)* Подія **безкоштовна**, але за **попередньою реєстрацією** - **[LUMA](https://luma.com/be1oxtyg)** ! Без теорії заради теорії. Тільки те, що реально працює! ​Формат — живе спілкування, обмін думками та чесні розмови! ​Після — нетворкінг, кава і коктейлі в МУСКАТ ​Приходьте! Поспілкуємось та проведемо круто час 😊

📚 Improve your Spanish through guided reading, vocabulary in context, and discussion-based speaking practice. In these lessons, we use books and stories to improve your Spanish in a natural, structured way. We read a level-appropriate text and focus on vocabulary, comprehension, pronunciation, and speaking. The goal is not to finish a lot of pages. The goal is to understand the text, notice useful grammar in context, and use it in speaking to build confidence. Level: A2–B1 📚 What to expect: – Small group learning – Friendly and interactive atmosphere – Guided language practice – Specialty coffee served during the event Fee: 300 CZK If you’re interested in joining or would like more information, send me a message. I look forward to reading and learning together! \- 60\-minute lesson 10 min: warm-up and review 5 min: vocabulary preview 20 min: guided reading 15 min: comprehension questions 10 min: discussion and recap

Some people go to pubs. Some people conquer galaxies, build empires, trade spices, or outsmart dragons. Nerdy Fridays are our open board game nights for anyone who prefers strategy over small talk and dice over disco lights. Come solo or bring your crew. We’ll help you find a table, explain the rules, and match you with a game that fits your vibe. From light party games to deep strategic battles, the shelves are open. Entry fee: 50 CZK if you drink something, 100 CZK if not (includes access to games and rule explanation) Friday nights don’t have to be loud. They can be legendary. 🎲✨

This group is for anyone who writes - for any reason. Have a thesis or article you need to write? Trying to finish a novel or an academic paper? This group is for you. We are currently meeting in-person at Locus Workspace. If you have any questions, contact Sonya Lano here or on Facebook or Messenger (https://www.facebook.com/sonya.lano). We start at 9:00, introduce ourselves, and share a few words about what we're working on and what we hope to accomplish during the session. At the end of the session, you can give us a brief recap of how it went. We'll break at noon. The afternoon session starts at 2:00 pm. You're welcome to join both sessions or just one. Please come as close to 9:00 as you can if you come for the morning session. If you come to the afternoon session, we are usually back by about a quarter to 2:00.

Want to be a speaker? submit your talk to our Call for Presenters!!! https://sessionize.com/cbus-hug-2026/

In this local meeting, you will discover knowledge that you can use to get over the past. The key to improving your personal motivation, self-confidence, and happiness is to get over your painful memories. When you become free of your past, you will be free from stress, anger, anxiety and depression. Studies show that negative emotions can affect your health. By being free of negative emotions, believe it or not, you will most likely even look younger, feel more energetic, and become healthier! Be sure to click on the red "Attend" button below to come to this local event. We look forward to seeing you there. This group is brought to you by the Dianetics and Scientology life improvement center.

It feels like we just saw each other 🤷. Join members of the local design and UX community for our monthly breakfast. For May we’re stopping in for Rooh’s popup breakfast/cafe concept. You know someone is getting the lobster yuzu croissant, and that’s not even the prettiest thing on the menu!.

Central Ohio Radio Enthusiasts—CORE—is an informal community for anyone enthusiastic or curious about radio—whether you're new to radio and want to learn or you've been tinkering for years and want to share. Ham radio operators, GMRS users, Meshtastic fans, software-defined radio nerds, makers, and technical and non-technical folks are all welcome. No experience required or expected. This month we have **Radio Signal Analysis Using SDRs and OpenWebRX+** with **Scott McCrory**. Details are are [core.radio](https://core.radio/).

Some trained COUNT volunteers work together once a month at RMH (http://www.rmhc-centralohio.org/volunteer.php) as Housewarmers (usually on the 1st Sunday from 1 – 5 PM). Some schedule other shifts at their convenience. You may try this out with less fuss by following a "Fast track" or go through the normal process. Fast track • Arrange a time to shadow a COUNT volunteer. Call Dave Nohle at 614-268-9558 (cell). • Show up and try it out. • Complete application, etc. later. Normal process • Complete an online application (http://rmhc-centralohio.org/volunteer/). • Attend orientation in advance. • At orientation you will complete forms agreeing to keep family/patient info private and allowing a background check and tour the facility. • Complete one training shift. Daily shifts are: morning 9 AM - 1 PM, afternoon 1 - 5 PM and evening 5 - 9 PM. • Schedule shifts online using the on the RMH scheduling system (http://www.volgistics.com/ex/portal.dll/?FROM=32895). The Ronald McDonald House (RMH) provides housing and meals for families with sick children. The Columbus RMH is the largest in the world with 137 rooms. COUNT has been volunteering there since May 2014. Housewarmers work with RMH guests to provide a home-like environment - greet, assist with family needs, answer phones, give tours, assist with checkin/checkout, prepare guest rooms after checkout, clean facility, laundry, restock supplies and staff the front desk. RMH Housewarmers volunteer at least one four-hour shift a month. All Housewarmers must complete an application and agree to a background check before they can be full fledged volunteers.

Join other experienced and aspiring agile coaches and professionals to: * develop and practice your coaching skills in a peer-to-peer environment * share current successes and challenges in your work environment and get support from each other * learn from each other, build better relationships and experiment with new ideas ***NOTE:*** Pre-registration is required for this event. **Please arrive 10 minutes early** to check in at the security desk.