Caiyai has a new address

Our new official website is https://www.caiyai.com. Please bookmark it in your browser. You can continue using this site during the transition.

Visit www.caiyai.com
Featured

Hackathons

Every event, every theme, every corner of the world.

2,644 results
HackDays Delhi
Ended
TBA
India·In person
MLHMLH

HackDays Delhi

India, Jul 25, 2026

Jun 28, 2026182
One Kindness Challenge
Ended
TBA
Online·Online
One KindnessOne Kindness

One Kindness Challenge

Do one act of kindness a day for 21 days and watch your life change.

Jun 28, 2026117
DevonomicsV1
Ended
TBA
Online·Online
DevonomicsDevonomics

DevonomicsV1

Online, Sep 16 - 23, 2026

FintechProductivity
Jun 28, 202672
Hack Days CUET
Ended
TBA
Chittagong, Bangladesh·In person
ML, AI, DL & NLP CommunityML, AI, DL & NLP Community

Hack Days CUET

Chittagong, Bangladesh, Jun 27 - 29, 2026

AI & MLSocial ImpactEducation
Jun 28, 202620
Brain Blitz 2026
Ended
TBA
Online·Online
Techverse solutionsTechverse solutions

Brain Blitz 2026

Online, Jun 25 - Jul 08, 2026

AI & MLRobotics & IoTEducation
Jun 28, 202617
BuunieX Hackathon
Ended
TBA
Online·Online
TechieBunnies teamTechieBunnies team

BuunieX Hackathon

Online, Jun 22 - Jul 22, 2026

AI & MLProductivityEducation
Jun 28, 202610
Universal CTF
Ended
TBA
Online·Online
CTFtime

Universal CTF

Cybersecurity CTF contest; Jeopardy format; 8 teams will participate

AR / VR
Jun 28, 20268
Esri's Weekend of Innovation 2026
Ended
TBA
Redlands·In person
ESRIESRI

Esri's Weekend of Innovation 2026

Redlands, Jul 24 - 26, 2026

Social Impact
Jun 28, 20267
GTPN Hackathon 2026
Ended
TBA
Online·Online
GTPNGTPN

GTPN Hackathon 2026

Online, Aug 07 - 09, 2026

Social Impact
Jun 28, 20265
VolgaCTF 2026 Final
Ended
TBA
Russia, Samara·In person
CTFtime

VolgaCTF 2026 Final

Cybersecurity CTF contest; Attack-Defense format; 2 teams will participate

AR / VR
Jun 28, 20262
MCP test
Ended
TBA
Online·Online
MCP TestMCP Test

MCP test

Online, Jun 29 - Aug 05, 2026

AI & MLEducationAR / VR
Jun 28, 20262
Dummy
Ended
TBA
Online·Online
global insglobal ins

Dummy

Online, Jul 07 - 08, 2026

GamingFintech
Jun 28, 20261

Loading…