Skip to content
HackWinnerDBv0.1
Tech Stack Indexdatabase

MongoDB

220 winning projects123 hackathons20262026
QU
[MLH] Best Use of MongoDB Atlas

Quartet

Quartet is a web application utilising Gemini AI to ask strangers questions picking out key traits for an algorithm that sorts users into groups of four, sugges

DUWiT Hacks 2026 · 2026

Artificial IntelligenceSocial Impact
FlaskGeminiMongoDBPython
Source pending review
Best use of MongoDB

RateMyWater

Is it swimmable? Sippable? A biohazard? Find out.

Code-A-Site · 2026

Other
MongoDBNext.jsReactTailwind CSS+2
Source pending review
Backboard: Most Innovative use of Backboard.io

Recompile

son, don't be stressed, I got u

Hack the 6ix 2026 · 2026

Artificial IntelligenceEducation
ElevenLabsGeminiMongoDBNext.js+3
Source pending review
RE
[MLH] Best Use of Presage

ReelTrust

In 2036 AI generated content runs rampant. How do we tell if a video is real or fake? ReelTrust uses Presage SDK to detect real life signs, Solana to authentica

HackLondon 2026 · 2026

Artificial IntelligenceEducation
KotlinMongoDBNode.jsSolana
Source pending review
Best UI/UX Design

Rekindle

Bridging Generational & Oceanic Gaps

HackDavis 2026 · 2026

Social Impact
AnthropicElevenLabsMongoDBNext.js+1
Source pending review
MLH Best Use of MongoDB Atlas

Replate

A Boston surplus-food marketplace. Businesses list surplus at a set price and can donate a share to nearby food banks; buyers reserve and pick up. Less waste, m

Civic Hacks 2026 · 2026

Social Impact
FastAPIMongoDBNode.jsPython+3
Source pending review
MLH - Best Use of MongoDB Atlas

Research-RAG

If you've ever had a stack of research papers and no time to read them all, this is for you. Upload your PDF, and it stores them into a vector database for you,

SproutGT · 2026

Creative Tools
JavaScriptMongoDBReactVite
Source pending review
[MLH] Best Use of Gemini API

ResponseOne

Respond to incidents before they’re reported. Real-time AI analysis of public footage enables immediate detection and faster, informed response.

HackUSF 2026 · 2026

Artificial IntelligenceEducation
GeminiMongoDBNext.jsPython+1
Source pending review
MLH - Best Use of Solana

ResumeLand

Gamification of Job Application & Candidate Screening Process to decrease the emotional distress caused to both applicants and recruiters

SproutGT · 2026

Creative Tools
GeminiMongoDBNext.jsSolana+2
Source pending review
Best Use of Vultr

SafeCare NEO

Ecosistema IoT de monitoreo neonatal en tiempo real. Protegemos cada suspiro con sensores biométricos y alertas instantáneas que salvan vidas cuando cada segund

Hackathon Troyano 2026 · 2026

EducationIoT
C++DockerElevenLabsESP32+8
Source pending review
Most Likely to Become a Startup

SafeWalk

SafeWalk is an AI-powered voice companion that keeps women safe during late-night walks by detecting distress in real time and alerting emergency contacts insta

AthenaHacks 2026 · 2026

Artificial IntelligenceEducation
ElevenLabsFastAPIJavaScriptMongoDB+6
Source pending review
Best AI Depth & Integration

SafeWalk

SafeWalk is an AI-powered voice companion that keeps women safe during late-night walks by detecting distress in real time and alerting emergency contacts insta

HackHayward 2026 · 2026

Artificial IntelligenceEducation
ElevenLabsFastAPIJavaScriptMongoDB+6
Source pending review
Best Use of Hermes -- Nous Research

Second Self

What if you could be in two places at once? Meet your AI twin who lives in your notch, works as you on your computer (via macos fast user switching), while you

YHack Spring 2026 · 2026

Artificial IntelligenceEducation
ClaudeElevenLabsFastAPIFirebase+12
Source pending review
Best Use of ElevenLabs

Sign Bridge

"Yo también hablo tu idioma" Aplicación de traducción en vivo y aprendizaje de lengua de señas, diseñada para motivar a hablantes de español a comprender y comu

Hackathon Troyano 2026 · 2026

EducationMedia
ElevenLabsGeminiJavaScriptMongoDB+1
Source pending review
Best Beginner Hack

signflowai

SignFlowAI bridges the gap between Deaf and hearing communities using real-time ASL detection, speech-to-sign translation, and an AI assistant — all in one beau

Grizzhacks 8 · 2026

Artificial IntelligenceEducation
GeminiJavaScriptMongoDBNext.js+2
Source pending review
[MLH] Best Use of Auth0 AI Agents

SiteSentinel

A pre-shift safety kiosk that catches missing PPE and unfit workers before they walk on the job site, multilingual, edge-AI, $35 of hardware.

KeanUHackThis 2026 · 2026

Artificial IntelligenceEducation
ClaudeElevenLabsMongoDBNext.js+7
Source pending review
Best Beginner

Skill Swap

Free peer‑to‑peer skill exchange for students—AI‑powered matching, real‑time reminders, and auto‑generated session guides, turning knowledge into a social curre

AthenaHacks 2026 · 2026

Artificial IntelligenceEducation
MongoDBNode.jsReact
Source pending review
Best App Deployed on Google Cloud

Skill Swap

Free peer‑to‑peer skill exchange for students—AI‑powered matching, real‑time reminders, and auto‑generated session guides, turning knowledge into a social curre

IntelliAI Arena · 2026

Artificial IntelligenceEducation
MongoDBNode.jsReact
Source pending review
[MLH] Best Use of MongoDB Atlas

Skrunkly Draw

Skrunkly Draw is the desire for an art platform that rules out machines and lets humanity shine.

HackUPC 2026 · 2026

Artificial IntelligenceEducation
MongoDBPythonRust
Source pending review
[MLH] Best Hack Built with Google Antigravity

SocialBytes

Social Bytes is your AI-powered nutritional ecosystem that can transform a simple photo into a personalized health journey!

HackMerced XI · 2026

Artificial IntelligenceHealthcare
ElevenLabsFastAPIJavaScriptMongoDB+3
Source pending review
[MLH] Best Use of DigitalOcean

SolaNode

SolaNode transforms complex blockchain activity into clear, actionable insights through 3D node visualizations, seamlessly linking each transaction to its corre

AI Hackfest · 2026

Artificial IntelligenceEducation
MongoDBNext.jsPythonSolana+1
Source pending review
[MLH] Best Use of Solana

SolShield

SolShield is a minimal non-custodial Solana-based wallet focused on seamless USDC transactions with automatic wallet creation, smart token transfers, and an int

HackMerced XI · 2026

Artificial IntelligenceEducation
GeminiJavaScriptMongoDBNext.js+5
Source pending review
Best Use of MongoDB Atlas

Soteria

Web app that turns picking up litter into a game. Win points by picking up a piece of trash, compete with others in a leaderboard, and maintain a high streak. M

JAMHacks 10 · 2026

Gaming
ClaudeFastAPIMongoDBNext.js+4
Source pending review
Best Jr Hack: Sony Wireless Headphones

SpeakForge

SpeakForge is an AI speaking coach that analyzes your voice and body language while you practice and gives you instant feedback on pace, energy, posture, and cl

HackTCNJ 2026 · 2026

Artificial IntelligenceSocial Impact
JavaScriptMongoDBNext.jsReact+1
Source pending review