/ HackNight #5: Jev-a-thon
Built something tonight? Put it on the wall.
Submit your project in a minute, share your link everywhere, and let the room vote. The leaderboard updates live during demos, and Jev sorts every project into a category and gives it a jury score.
23 projects · 343 votes so far
Votes follow shares.
Every project gets its own page. Post it on LinkedIn, drop it in your group chats, tag @HackBarna and #HackNightBCN. The more people see it, the higher you climb.
The wall
Tap the arrow to vote. One vote per project, as many projects as you like.
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01
HomeCrush
HomeCrush protects foreign buyers and investors from costly mistakes in Barcelona. It delivers a clear verdict on whether to pursue or skip the flat, highlights missing deal-breakers to ask agent.
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02
Human, Please
A visual layer for Jev. Built on Vonage's video escalation starter, it shows how Jev scores a support chat: JEV, a Channign Tatum cardboard-cutout agent, reacts to each message while the agent dashboard shows live frustration meters, then a Vonage Video call connects a person.
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03
Luar
Luar helps friends in different cities plan a trip together. Everyone joins via one link and marks free days on a shared calendar. Luar finds destinations all can reach by direct flight or train, ranks them by cost, travel time and fairness, and the group votes on the top three.
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04
SkillArs
It's a videocall topic tracker. One screen with a simulated video call, a live transcript and a shared agenda of each person's topics. As the pair talks, the Jev model works out which topic they're on, highlights it and crosses off earlier ones, so the session has structure.
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05
Theoretical Jobs
Recruitment is BROKEN! Notable companies cannot even email you now. But the real value add fix, is rematching. If you do not get offerred a job after passing the initial interview(s), which have cost them money, you can be matched again for other roles with them.
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06
Comarruga Flood Lab
What-if flood simulator for Coma-ruga (Catalonia): pick a rainfall and an urban fix and see in 3D how many cm of water each street saves. Built on real public terrain data, with Jev's decisions measured against a physics solver.
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07
JudgeJev
Judge Jev is your partner to finish the hackathon on time. Organizers write the rubric, Jev reads every entry the moment it's submitted and gives each judge a first pass, and judges score in their own queue while code adds up the results and every team gets a feedback card with r
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08
Tria
Tria turns a photo of an object into Barcelona-specific recycling advice. Jev ranks seven disposal routes and flags uncertainty, helping residents and visitors sort with less guesswork. Built with Lovable in Catalan, Spanish and English.
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09
La Rambla Pickpockets
A Pokémon-style simulation of La Rambla where tourists walk to Colom and pickpockets try to rob them. Jev decides every character’s move in real time from a one-line personality. Shows how fast AI decisions can drive believable agents, from games to simulating user behaviour.
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10
Bicing Planner
Desktop trip planner for Barcelona's Bicing bike-share: reliable pickup/drop-off stations, map, ca/es/en, TypeSafe Jev plain-language requests. [https://github.com/ebcodev/bicing-planner]
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11
Council-convention
A panel of personas stress-tests your idea, then a chair delivers one verdict.
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12
Push cube
Push·Cube is a browser game where you race TypeSafe's decision model Jev to push a block onto a green goal outline, matching both position and angle, in the fewest pushes. The blocks come in six shapes (square, T, L, I-bar, Z and triangle) and spin when pushed off-centre. You on
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13
What's for dinner?
A dashboard suggesting dinners kids will actually eat. It looks at what they've eaten over the last 14 days, how bored they may be of a food, parent preferences and Nutri-Scores. Then it shows six dinners with a percentage likelihood they will actually eat it.
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14
Label Lens
Point your camera at a food package to see the ingredients and barcode up close. Jev spots blurry text or a list cut off mid-line and tells you how to retake the photo. The barcode pulls up the product record. I built this to test an idea for a future halal food scanner.
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15
Prospect Decision Radar
Prospect Decision Radar finds and researches B2B prospects, then uses Jev to assess buying signals and recommend who to contact next. Every decision includes supporting evidence and a suggested outreach draft.
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16
kiki
this is a test project, rate it high
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17
Should I?
A decision engine that helps you with taking any decisions in your life. Rather than second guessing "Should I do this" Jev will tell you. Starting with just purchase advise, later for everything.
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18
App Review Triage
For a given mobile app it analyses the Apple Store and Google Play reviews and identify technical issues.
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19
Offline Life
Offline Life replaces doomscrolling with reading & exploring Barcelona. Hit "I want to scroll", share your mood or drop a voice note, and Jev decides the ideal antidote: a book from your shelf, a cozy spot, or some new reading material, backed by a focused anti-leave timer.
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20
GRIN
GRIN scans content in product pages for sustainability claims and find out if it's compliance with the new EU law regarding greenwash, it's going to asses the claims and find out if there is data that backs it up. Otherwise, it will give bad score.
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21
Queue Firehouse
My project Outcompet tracks SaaS competitors in an easy way. It finds & monitors competitors, scrape data from websites, socials, etc but now has a manual review for news that adds a lot of manual work. This project automates this with multi-classification and reduces this by 90%
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22
Portfolio- deeps island
It’s a small game based portfolio, check it out !!
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23
Scam Radar
an app that helps identify potential scammers in rental listings