CodingCall

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Discover CTFs, bug bounties, hackathons, and coding competitions.

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Showing 24 of 76 events
OSS Bounty

Outreachy — December 2026 Internship Cohort

by Outreachy

$7K
Dec 1 - Mar 5, 2027
Deadline passed
Beginner
Online
OSS Bounty

LFX Mentorship 2026 — Term 3 (Fall)

by The Linux Foundation

$3K
Sep 7 - Nov 27, 2026
Deadline passed
Intermediate
Online
Conference

KubeCon + CloudNativeCon North America 2026

by Cloud Native Computing Foundation

Nov 9 - Nov 12, 2026
Deadline passed
Salt Lake City, UT, USA
Open
In-Person
Coding Contest

AtCoder Weekday Contest 0183 Beta

by AtCoder

Oct 21 - Oct 21, 2026
Deadline in about 5 hours
Open
Online
Coding Contest

Starters 261

by CodeChef

Oct 21 - Oct 21, 2026
Deadline in about 8 hours
Open
Online
CTF

CREST CTF 2.0

by CREST

Oct 23 - Oct 23, 2026
Deadline in 2 days
Open
Online
Coding Contest

Placement Prep Weekends - 12

by CodeChef

Oct 23 - Oct 27, 2026
Deadline in 3 days
Open
Online
Hackathon

Build, Ship, Shape: Amazon Developer Hackathon

by Amazon

$138K
Aug 31 - Oct 23, 2026
Deadline in 3 days
Open
Online
Coding Contest

Codeforces Round (Div. 2)

by Codeforces

Oct 24 - Oct 24, 2026
Deadline in 3 days
Intermediate
Online
Coding Contest

SMBC Programming Contest #2 (AtCoder Beginner Contest 481）

by AtCoder

Oct 24 - Oct 24, 2026
Deadline in 3 days
Beginner
Online
Coding Contest

Biweekly Contest 194

by LeetCode

Oct 24 - Oct 24, 2026
Deadline in 3 days
Beginner
Online
CTF

BSides Peoria CTF 2026

by BSides Peoria CTF Village

Oct 24 - Oct 24, 2026
Deadline in 4 days
Peoria, Illinois, USA
Open
In-Person
CTF

cruXipher 2026 - ATMoS '26, BITS Hyderabad

by CRUx BPHC

Oct 23 - Oct 25, 2026
Deadline in 4 days
Open
Online
Coding Contest

Weekly Contest 525

by LeetCode

Oct 25 - Oct 25, 2026
Deadline in 4 days
Beginner
Online
CTF

Cryovault 2026 Finals

by x6e.x65.x78.x75.x73

Oct 24 - Oct 25, 2026
Deadline in 4 days
Bengaluru, India
Open
In-Person
CTF

H7CTF 2026 Finals

by H7Tex

Oct 24 - Oct 25, 2026
Deadline in 4 days
Chennai, Tamil Nadu
Open
In-Person
Coding Contest

AtCoder Regular Contest++ 233

by AtCoder

Oct 25 - Oct 25, 2026
Deadline in 4 days
Advanced
Online
CTF

HITCON CTF 2026

by HITCON

$8K
Oct 23 - Oct 25, 2026
Deadline in 4 days
Open
Online
CTF

RSTCON 2026 CTF

by RSTCON

Oct 23 - Oct 25, 2026
Deadline in 4 days
Open
Online
CTF

Hack.lu CTF 2026

by FluxFingers

Oct 23 - Oct 25, 2026
Deadline in 4 days
Open
Online
Coding Contest

Codeforces Round (Div. 2)

by Codeforces

Oct 26 - Oct 26, 2026
Deadline in 5 days
Intermediate
Online
Featured
Coding Contest

ARC Prize 2026 — ARC-AGI-2

by ARC Prize Foundation

$700K
Mar 25 - Nov 2, 2026
Deadline in 6 days
Advanced
Online
Hackathon

OpenCV AI Competition 2026, powered by AWS

by OpenCV

$20K
Aug 26 - Oct 27, 2026
Deadline in 7 days
Open
Online
Coding Contest

Starters 262

by CodeChef

Oct 28 - Oct 28, 2026
Deadline in 7 days
Open
Online