Skip to content
HackWinnerDB

LangChain

42 winning projects · 41 hackathons · 20262026 · framework

Frequently paired with

Grand Prize

EmoLens

EmoLens: The AI sensory translator. We map raw physical sensations into clear emotional vocabulary and instant communication cards, bringing clarity to emotiona

IncludAI - The Neurodiversity Hackathon, in Partnership with Stanford NNEA · 2026

Artificial IntelligenceEducation
GroqLangChainReactSupabase+3
Source pending review
Top 10 winners each receive a free .xyz domain — launch your project with a real web presence! (valued at $150)

Acharya - AI Classroom Coach for Rural Indian Teachers

An AI-powered classroom assistant that helps rural teachers solve teaching by providing real-time, context-aware guidance and personalized strategies to improve

Hyperbloom V2 · 2026

Artificial IntelligenceEducation
GeminiLangChainTypeScript
Source pending review
United Nations & FAO Problem Statement Winner

food-bridge-SkyHigh

"Eat well, spend smart — personalized nutrition for every community."

George Hacks x United Nations "Reboot the Earth" Hackathon · 2026

HealthcareEducation
DockerLangChainPythonTypeScript
Source pending review
QU
Winner LineWise Challenge

Quick2Plan

Quick2Plan uses AI, graph optimization, and simulation to find faster, explainable factory production sequences, reducing changeovers and helping planners react

DAMM <&> EHUB · 2026

Artificial IntelligenceEducation
FastAPILangChainReact
Source pending review
1st Place Winner!

Food for Beautiful Skin

See how food you already have at home can make your skin more beautiful — powered by Perfect Corp AI

The Silicon Valley Hackathon: Perfect Corp x Startup World Cup · 2026

Artificial IntelligenceProductivity
Google CloudLangChainPython
Source pending review
1st Place Winner

PROXY — Agentic AI for Consumer Justice

Autonomous multi-agent AI that investigates disputes across 8 domains, self-corrects hallucinations, verifies every citation, and drafts ready-to-send appeals —

Agentic AI Innovation Challenge 2026 · 2026

Artificial IntelligenceConsumer
DockerFastAPILangChainNext.js+4
Source pending review
Best AI Hack 1st

PROXY — Agentic AI for Consumer Justice

Autonomous multi-agent AI that investigates disputes across 8 domains, self-corrects hallucinations, verifies every citation, and drafts ready-to-send appeals —

STEMist Hacks IV · 2026

Artificial IntelligenceConsumer
DockerFastAPILangChainNext.js+4
Source pending review
1st Overall

SODIUM

Jarvis for senior citizens.

DiamondHacks 2026 · 2026

Artificial IntelligenceEducation
LangChainPythonSvelteTypeScript
Source pending review
First Timers Prize (by Atlassian)

StepFlow

StepFlow is a step forward in study. Focused on your rhythm, not your results.

UNIHACK 2026, funded by the European Union · 2026

Other
FastAPIFirebaseJavaScriptLangChain+4
Source pending review
AI Track (2nd Place)

Audit.Co2

AI agents that turn months of manual ESG auditing into minutes. Drop in your invoices, get back auditable Scope 1, 2 & 3 emissions. No spreadsheets. No consulta

HackHayward 2026 · 2026

Artificial IntelligenceEducation
LangChainPython
Source pending review
GU
Second

GuardianAI – Your Personal Emergency Intelligence Companion

GuardianAI uses AI to detect emergencies, provide real-time first-aid guidance, assess risks, and instantly connect users with emergency contacts and nearby med

Beyond Tomorrow Summit · 2026

Artificial IntelligenceHealthcare
FirebaseLangChainOpenAIVercel
Source pending review
2nd Place Winner

LearnVis

Your AI study partner that turns dense engineering textbooks into interactive video animations

Evorozen Innovators Hackathon · 2026

Artificial IntelligenceEducation
FastAPILangChainPythonSupabase+1
Source pending review
3rd Place Overall

Keystone

A property management platform that helps independent landlords streamlines leasing, tenant screening, and investment decisions.

CSBA x HBA Hack Day · 2026

Other
CloudflareLangChainSupabaseTypeScript+1
Source pending review
3rd Prize

PROXY — Agentic AI for Consumer Justice

Autonomous multi-agent AI that investigates disputes across 8 domains, self-corrects hallucinations, verifies every citation, and drafts ready-to-send appeals —

Aethera Hacks · 2026

Artificial IntelligenceConsumer
DockerFastAPILangChainNext.js+4
Source pending review
3rd Place - SAP Stream

Rootstock

Rootstock preserves knowledge for nonprofits by capturing decisions, relationships, and history from tools like Gmail, Slack, and Google Drive so when staff lea

youCode 2026 · 2026

Social Impact
LangChainOpenAIPythonStreamlit
Source pending review
DH 5 Overall 3rd Place Winner - JBL Go 4 Speaker

Sova

AI-powered First Responder for Post-Operation Complications

DeerHacks V (2026) · 2026

Artificial IntelligenceEducation
KotlinLangChainOpenAIPython+2
Source pending review
Best Use of Pioneer

Agent Negotitation platform

Autonomous AI agents that negotiate deals and settle payments -> no humans required.

Harness Engineering Hack · 2026

Artificial IntelligenceEducation
FastAPILangChainPythonReact+1
Source pending review
AI
Best Real-World Application

AI Blox

A visual representation of Python based infrastructure in a drag-and-drop format.

vibeFORWARD · 2026

Artificial IntelligenceEducation
FastAPILangChainPyTorchTypeScript
Source pending review
Best AI Project Award

AXIOM — Cognitive Blind Spot Engine

Four specialized AI agents debate your startup idea or thesis in real time, exposing hidden assumptions before the market, a VC, or reality finds them first.

FutureAI Global Hackathon 2026 · 2026

Artificial IntelligenceEducation
FastAPIJavaScriptLangChainPython+2
Source pending review
Best Solo Hack

Bodify

Bodify is your multi-agent AI health partner. A council of AI specialists creates personalized nutrition, fitness, and lifestyle plans that adapt to your goals,

Garuda Hacks 7.0 · 2026

Artificial IntelligenceHealthcare
LangChainReactSupabaseTailwind CSS+1
Source pending review
Best Use of Gemini API

EO

Traffic sucks. EO pits AI stakeholders against physics to balance safety, traffic, emissions, and costs. Run 5-year future simulations to perfect street designs

MacHacks 2026 · 2026

Artificial IntelligenceEducation
FastAPIGeminiLangChainMapbox+2
Source pending review
IM
Best Project in Social Cause

ImpactLink AI`

Help NGO draft and track grant proposals

ACM Trojan Hacks 2026 · 2026

Artificial IntelligenceHealthcare
GroqLangChainPythonReact
Source pending review
Best of UiPath Maestro Case

InsureIQ

See risk before it happens

UiPath AgentHack · 2026

Artificial IntelligenceEducation
LangChainPython
Source pending review
Best Use of Auth0 - Wireless Headphones

LOCATR

Agentic-powered discovery to find your perfect venue.

DeerHacks V (2026) · 2026

Artificial IntelligenceEducation
DockerFastAPILangChainMapbox+3
Source pending review