Web Development Hackathons
Explore 50 web development hackathons. Hackathons building web apps, frontend and backend systems, and full-stack projects.
Hackathons
50
Avg Prize
$79K
Organizers
45
Wednesday, July 1, 2026
Ongoing
Intellect Global Hackathon
Online
Dec 5, 2021 – Dec 31, 2026Intellect Design ArenaOnline
Fintech
Web Development
Hackathon
Ongoing
MCA 2026 projects
Online
Feb 27 – Dec 25, 2026Mizzou Computing AssociationOnline
Data Science
Web Development
Artificial Intelligence
Ongoing
DEMOKHE
Online
Mar 24, 2026 – Mar 24, 2030HacKSUOnline
Data Science
Web Development
Artificial Intelligence
Ongoing
Hoobit Hacks 2026
Online
Mar 30 – Jul 18, 2026HoobitOnline
Artificial Intelligence
Data Science
Web Development
Ongoing
Aurora Global Hackathon
Online
Mar 31, 2026 – Apr 1, 2027no hostOnline$1K
Web Development
Mobile Development
Artificial Intelligence
Ongoing
GenZ Can Hack 2026
In Person
Apr 1 – Aug 22, 2026Kids for Kids Toronto Coding ClubToronto, Canada$1K
Data Science
Web Development
Climate Tech
Ongoing
LUMA Hackathon: Pitch your idea, win up to $500
Online
Apr 11 – Jul 11, 2026LUMAOnline$250
Data Science
Web Development
Artificial Intelligence
Ongoing
Github readme generation
Online
Apr 22 – Jul 6, 2026presentmeOnline
Data Science
Healthtech
Web Development
Ongoing
DevSoc Starlight 2026
In Person
Apr 28 – Jul 10, 2026DevSocKensington, Australia$1K
Data Science
Web Development
IoT
Ongoing
Assistive Innovation Challenge 2026
Online
May 4 – Aug 1, 2026Student Innovators Without BordersOnline
Data Science
Web Development
Healthtech
Ongoing
Byte2Beat
Online
May 14 – Jul 1, 2026Hack4HealthOnline$15K
Data Science
Web Development
Artificial Intelligence
Ongoing
SMU .Hack Enrichment Application Programme 2026
In Person
May 15 – Jul 24, 2026Singapore Management UniversitySingapore, Singapore$2K
Data Science
Web Development
Cloud
Ongoing
Build with Gemini XPRIZE
Online
May 19 – Aug 17, 2026XPRIZEOnline$2.0M
Artificial Intelligence
Data Science
Web Development
Ongoing
Slack Agent Builder Challenge
Online
May 20 – Jul 14, 2026SalesforceOnline$42K
Data Science
Social Impact
Web Development
Ongoing
Casper Agentic Buildathon 2026 - Qualification Round
Online
Jun 1 – Jul 7, 2026Casper NetworkOnline$150K
Artificial Intelligence
Blockchain
Web Development
Ongoing
CodeStorm 2026 #2
Online
Jun 1 – Jul 30, 2026Online$3
Web Development
Mobile Development
Artificial Intelligence
Ongoing
1st Nature's Blueprint Ideathon 2026 !!
Online
Jun 1 – Jul 1, 2026Yaod Multifaceted CompanyOnline
Data Science
Climate Tech
Web Development
Ongoing
Ventura Challenge
Online
Jun 1 – Jul 29, 2026Student CouncilOnline
Data Science
Web Development
Artificial Intelligence
Ongoing
SunnyHacks June 2026
Online
Jun 1 – Jul 1, 2026SunnyHacksOnline
Data Science
Artificial Intelligence
Web Development
Ongoing
305 HackShells Edition June 2026
Online
Jun 1 – Jul 1, 2026Swift at FIUOnline
Data Science
Web Development
Mobile Development
Ongoing
Arm Create: AI Optimization Challenge
Online
Jun 4 – Aug 14, 2026armOnline$8K
Artificial Intelligence
Data Science
Web Development
Ongoing
InnovatorsX: Startup Sprint
Online
Jun 5 – Jul 10, 2026InnovatorsXOnline
Data Science
Web Development
Artificial Intelligence
Ongoing
Agentic AI Build Week 2026
In Person
Jun 9 – Jul 12, 2026GenAI FundHo Chi Minh City, Vietnam$900
Artificial Intelligence
Data Science
Web Development
Ongoing
Kaya AI IIT India Hackathon 2026
Online
Jun 10 – Jul 11, 2026KayaOnline$4K
Artificial Intelligence
Data Science
Web Development
Ongoing
AI Hackathon.
Online
Jun 10 – Aug 18, 2026Algo UniversityOnline
Artificial Intelligence
Web Development
Edtech
Ongoing
Brainwave
Online
Jun 12 – Aug 9, 2026ACT HouseOnline$1K
Data Science
Web Development
Blockchain
Ongoing
Impact Creation
Online
Jun 13 – Jul 1, 2026TrainzexAIOnline
Data Science
Web Development
Artificial Intelligence
Ongoing
AnimalHack 2026
Online
Jun 14 – Sep 12, 2026BinnovativeOnline
Data Science
Web Development
Social Impact
Ongoing
Next Byte Hacks V3
Online
Jun 15 – Jul 15, 2026Next BytesOnline$100
Data Science
Web Development
Artificial Intelligence
Ongoing
India High School Exoplanet Data Challenge
Online
Jun 15 – Jul 31, 2026CelestaOnline$10K
Data Science
Artificial Intelligence
Web Development
Ongoing
Web Champ
Online
Jun 16 – Jul 16, 2026The FusionOnline
Data Science
Web Development
Artificial Intelligence
Ongoing
Reddit’s Games with a Hook Hackathon
Online
Jun 17 – Jul 16, 2026redditOnline$40K
Data Science
Social Impact
Web Development
Ongoing
Hack Days in Hosur
In Person
Jun 18 – Jul 2, 2026Krishnagiri, India
Artificial Intelligence
Mobile Development
Web Development
Ongoing
Build Beyond Hackathon
Online
Jun 18 – Aug 16, 2026BuildBeyondOnline$500
Data Science
Web Development
Artificial Intelligence
Ongoing
Hack The Limit
Online
Jun 18 – Jul 30, 2026HackTheLimitOnline$350
Data Science
Web Development
Social Impact
Ongoing
DTI Hackathon 2026
Online
Jun 18 – Jul 31, 2026Cloud CounselageOnline
Data Science
Web Development
Cloud
Ongoing
NeuralSprint
Online
Jun 19 – Aug 24, 2026NeuralSprintOnline$150
Data Science
Artificial Intelligence
Web Development
Ongoing
ImpactForge
Online
Jun 19 – Jul 24, 2026ImpactForgeOnline$300
Data Science
Web Development
Social Impact
Ongoing
Vitalitics 2026
Online
Jun 20 – Jul 31, 2026vitaliticsOnline
Data Science
Healthtech
Web Development
Ongoing
QuantumHacks
Online
Jun 21 – Aug 21, 2026QuantumhacksOnline$1K
Data Science
Web Development
Artificial Intelligence
Ongoing
Pinch Me! I Want 50K Australia
In Person
Jun 22 – Jul 22, 2026Pinch PaymentsSydney, Australia$50K
Fintech
Artificial Intelligence
Web Development
Ongoing
BuunieX Hackathon
Online
Jun 22 – Jul 22, 2026TechieBunnies teamOnline
Artificial Intelligence
Data Science
Web Development
Ongoing
3D Websites Hackathon
Online
Jun 22 – Jul 31, 2026high schoolOnline$55
Data Science
Web Development
Artificial Intelligence
Ongoing
IGAD Hackathon 2026: Smarter Early Warning, Stronger Communities
In Person
Jun 22 – Jul 31, 2026BuildBeyondNgong, Kajiado County$10K
Data Science
Web Development
Artificial Intelligence
Ongoing
LECATHON 2.0
In Person
Jun 23 – Jul 4, 2026Robotics Club of LECTilottama, Lumbini Province$1K
Data Science
IoT
Web Development
Ongoing
Pinch Me! I Want 50K
In Person
Jun 23 – Jul 22, 2026Pinch PaymentsHaymarket, Australia$50K
Fintech
Data Science
Web Development
Ongoing
The Rice University Urban Sustainability Hackathon
Online
Jun 23 – Sep 18, 2026Rice UniversityOnline$18K
Climate Tech
Data Science
Web Development
Ongoing
Trading Tools and Agents
Online
Jun 24 – Jul 19, 2026TxODDSOnline$16K
Data Science
Fintech
Web Development
Ongoing
Consumer and Fan Experiences
Online
Jun 24 – Jul 19, 2026TxODDSOnline$16K
Data Science
Web Development
Artificial Intelligence
Ongoing
Prediction Markets and Settlement
Online
Jun 24 – Jul 19, 2026TxODDSOnline$18K
Data Science
Blockchain
Web Development
Past hackathons
Recently ended — many run again.
Tuesday, June 30, 2026
Monday, June 29, 2026
Sunday, June 28, 2026
Saturday, June 27, 2026
Past
CSIHacks
In Person
Jun 27 – Jun 28, 2026CSIPleasanton, United States
Data Science
Web Development
Artificial Intelligence
Past
AI COMMUNICATION BRIDGE HACKATHON
In Person
Jun 27, 2026Bricklabs AIJuja, Kenya
Artificial Intelligence
Data Science
Web Development
Past
Build with AI Makerere Hackathon
In Person
Jun 27, 2026GDG on Campus Makerere UniversityKampala, Central Region
Artificial Intelligence
Data Science
Web Development
Past
Hack Days CUET
In Person
Jun 27, 2026ML, AI, DL & NLP CommunityChittagong District, Chittagong Division
Web Development
Cloud
Data Science
Past
AICOO HACKATHON
Online
Jun 27 – Jun 28, 2026AICOOOnline$12K
Web Development
Artificial Intelligence
Data Science
Past
Codex Community Hackathon - Hanoi
In Person
Jun 27, 2026Giang NguyenTừ Liêm, Vietnam$10K
Social Impact
Artificial Intelligence
Web Development
Past
Gemini AI Hackathon @Google Japan ハッカソン東京
In Person
Jun 27, 2026EbiShibuya, Japan
Artificial Intelligence
Cloud
Web Development
Past
$1,000 Industrial AI Hackathon
In Person
Jun 27 – Jun 28, 2026Zapdos LabsAustin, United States$1K
Artificial Intelligence
Data Science
Web Development
Past
AScAIthon 2026
Online
Jun 27 – Jun 28, 2026Ascentracore SolutionsOnline$800
Artificial Intelligence
Mobile Development
Web Development