Curated Issues

C Good First Issues

Browse open source issues tagged with C in the issue metadata. Results stay focused on work that can become public contribution evidence.

1,905 matching issues

C

Slice signals

  • Average annotated difficulty: 2.7/5 across 1,905 issues.
  • 70% of 1,905 time estimates are one day or less.
Open
Not boot without wifi.
help wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

SpacehuhnTech / esp8266_deauther · #1793 · May 12, 2026 · C · 14,772 stars

0 comments0 reactions0 assignees
Open
PKCS12 - Ability to use PRF hmacWithSHA512
help wantedissue: feature requesttriaged: feature
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #31120 · May 8, 2026 · C · 30,157 stars

1 comment0 reactions0 assignees
Closed
Probably harmless UB in aes_x86core.c
help wantedtriaged: bug
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #31117 · May 8, 2026 · C · 30,157 stars

2 comments0 reactions0 assignees
Open
Improve Validation of Geo Binary Base
enhancementgood first issuerefined
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

nginx / nginx · #1321 · May 6, 2026 · C · 30,331 stars

1 comment0 reactions1 assignee
Open
Tracking issue for OpenSSL 4.0 migration
help wantedopenssl-4-migration
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Homebrew / homebrew-core · #278366 · Apr 19, 2026 · Ruby · 15,288 stars

7 comments0 reactions0 assignees