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HackWinnerDB

LangChain

42 winning projects · 41 hackathons · 20262026 · framework

Frequently paired with

LU
[MLH] Best Use of Gemini API

Lunalysis

Lunalysis is an agentic tool that takes your project abstract and related literature, automatically builds context around your data using online sources, and le

WEHack 2026 · 2026

Other
FlaskGeminiLangChainPostgreSQL+2
Source pending review
Best Beginner Hack

Medical Bill Analyzer - Bill Express

Provides a summary of crucial details on medical documents, including multi-lingual features to support accessibility.

Hack Brooklyn · 2026

Artificial IntelligenceHealthcare
ElevenLabsFlaskLangChainPython+1
Source pending review
PF
Best Use of Kiro

pFMEA Agent

AI agent that analyzes manufacturing procedure documents and generates process Failure Mode and Effects Analysis (pFMEA) reports. Uses LangGraph to orchestrate

Deep Agents Hackathon · 2026

Artificial IntelligenceEducation
LangChainPythonVercel
Source pending review
Most Innovative Project Using Macroscope

Signal

Deep agent for product teams: connects your real tools, researches across them, and turns raw signals into decision-ready briefs.

Deep Agents Hackathon · 2026

Artificial IntelligenceEducation
FastAPILangChainPythonTypeScript
Source pending review
Loveable x HackTech - Best use of Lovable

SoilTune

Farmers lose up to 75% of their yield to guesswork. SoilTune reads your soil live and turns it into an strategic plan.

Hacktech by Caltech 2026 · 2026

Artificial IntelligenceEducation
LangChainSupabase
Source pending review
[MLH] Best Use of ElevenLabs - Wireless Earbuds

Sova

AI-powered First Responder for Post-Operation Complications

Hacktech by Caltech 2026 · 2026

Artificial IntelligenceEducation
KotlinLangChainOpenAIPython+2
Source pending review
Best use of Google Gemini API

SurakshaNet

SurakshaNet predicts and monitors floods in real-time using AI, IoT sensors, and satellite data. It coordinates emergency response and enables instant community

Hack Days Guwahati · 2026

Artificial IntelligenceIoT
FastAPIJavaScriptLangChainNext.js+3
Source pending review
MLH: Best Use of Auth0 AI Agents

TravelMate

An AI-powered travel buddy that makes trip planning simple and stress-free. Never miss a trip because planning feels like a hassle.

Innovation Hacks 2.0 - 2026 · 2026

Artificial IntelligenceHealthcare
ElevenLabsFastAPIGoogle MapsLangChain+4
Source pending review
Track: Light The Way

Accent

Accent is a macOS accessibility tool for elderly and non-English users that gives LLMs sight with a CV UI classifier. Users ask what to do and get the right UI

LA Hacks 2026 · 2026

AccessibilitySocial Impact
ElevenLabsGeminiGoogle CloudLangChain+4
Source pending review
Top 100 Finalist Award

LaunchGate AI

LaunchGate AI is an AI-powered release governance platform that uses collaborative specialist agents to review software releases, identify risks, and generate a

Moonshot Hackathon · 2026

Artificial IntelligenceEducation
FastAPILangChainOpenAIPython+3
Source pending review
All participant get 1 month of free snap2measure api

Coder

Coder is an automated multi-agent AI software engineer that converts natural language into production-ready projects through planner,architect,coder,reviewer,fi

Measure up · 2026

Artificial Intelligence
GroqJavaScriptLangChainPython+1
Source pending review
InsForge

JAI

Build hardware as fast as software. JAI uses a multi-agent AI swarm to translate plain English into physics-validated, manufacturing-ready CAD files in under 3

GlobeHack · 2026

Artificial IntelligenceEducation
DockerFastAPILangChainPython+2
Source pending review
Google - Build with AI

LegaLens

Legal clarity on demand: Scan, negotiate, and rewrite with confidence.

Hack Canada 2026 · 2026

Other
ElevenLabsFastAPIGeminiGoogle Cloud+6
Source pending review
Google Swag Kits

PaperTrial

Defend your thesis before the real defense destroys you.

Bot To Agent by MLH Hack Days · 2026

Artificial IntelligenceEducation
FastAPIJavaScriptLangChainPostgreSQL+5
Source pending review
Google: Build with AI - The Agentic Frontier

PitchMirror

PitchMirror is an AI simulation environment for interviews, pitches, and coding rounds, with role-specific agents, live feedback, progress tracking, and persona

Innovation Hacks 2.0 - 2026 · 2026

Artificial IntelligenceHealthcare
JavaScriptLangChainNext.jsReact
Source pending review
win

Prompt Shield

Prompt Shield is an open-source AI Agent Security Firewall that detects and blocks prompt injections, jailbreaks, data exfiltration, and tool abuse for secure A

Hack Day Jabalpur 2026 · 2026

Artificial IntelligenceEducation
DockerKubernetesLangChainPython
Source pending review
Participation

Scholaris

Scholaris is an AI-powered test-prep platform that helps students master exams through personalized practice. It delivers targeted mock tests and real-time feed

TechCommons Hacks · 2026

Artificial IntelligenceEducation
LangChainPythonReactTypeScript
Source pending review
What would you build on top of a user’s purchase data? by KnotAPI [3 Prizes]

Shomi: Shop without leaving iMessage

Skip the noise. Use your purchase history to streamline shopping, entirely through iMessage.

HackPrinceton Spring '26 · 2026

Artificial IntelligenceEducation
LangChainSQLiteTypeScript
Source pending review
SK
Stickers

SkillVerse AI

An AI-powered career operating system that helps students discover career paths, identify skill gaps, build projects, prepare for interviews, and connect with i

Hackdays Prayagraj · 2026

Artificial IntelligenceEducation
DockerFastAPIFirebaseLangChain+7
Source pending review
SM
50$ Gift Card

SmartCalAI

SmartCal AI: One app that schedules, prioritizes, and remembers — so you don't have to.

Build With AI Hack Days @DIU · 2026

Artificial IntelligenceEducation
FastAPIJavaScriptLangChainPostgreSQL+1
Source pending review
Developer

TruStudy

All your courses, deadlines, and to-dos in one place, powered by a multi-agent RAG system that extracts from PDFs, slides, images, and videos so you can chat wi

Boeing presents TruHacks 2026 · 2026

Artificial IntelligenceEducation
FastAPILangChainPythonReact+1
Source pending review