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.

1,912 matching issues

C

Slice signals

  • Average annotated difficulty: 2.7/5 across 1,912 issues.
  • 69% of 1,912 time estimates are one day or less.
Open
[Android] Implement post-build symbol stripping
area-Infrastructuregood first issueos-android
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #115717 · May 19, 2025 · C# · 17,886 stars

3 comments0 reactions1 assignee
Closed
borg2: implement new chunker?
c: chunkerhelp wantedsecurity
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

borgbackup / borg · #8841 · May 16, 2025 · Python · 10,086 stars

16 comments0 reactions1 assignee
Open
Make it easy to authenticate a server correctly
branch: 3.0branch: 3.2branch: 3.3branch: 3.4branch: 3.5branch: masterhelp wantedtriaged: documentation
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #27628 · May 15, 2025 · C · 30,157 stars

2 comments0 reactions0 assignees
Open
Deprecate EVP_BytesToKey()
branch: masterhelp wantedtriaged: feature
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #27618 · May 14, 2025 · C · 30,157 stars

10 comments0 reactions0 assignees
Open
Doxygen links to wrong implementation file
documentationgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

llvm / llvm-project · #139512 · May 12, 2025 · C++ · 26,378 stars

5 comments0 reactions1 assignee
Open
missing ASN1_{buf|bn}_print documentation
branch: 3.0branch: 3.2branch: 3.3branch: 3.4branch: 3.5branch: masterhelp wantedtriaged: documentation
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #27546 · May 3, 2025 · C · 30,157 stars

1 comment0 reactions0 assignees
Open
Arduino IDE rejects 2.7.2
help wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

SpacehuhnTech / esp8266_deauther · #1770 · Apr 29, 2025 · C · 14,772 stars

0 comments0 reactions0 assignees
Open
callback parameter with minimum password lenght
help wantedtriaged: feature
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #27427 · Apr 17, 2025 · C · 30,157 stars

9 comments0 reactions0 assignees
Open
Possible division by zero in zstdcli_trace.c
buggood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

facebook / zstd · #4368 · Apr 17, 2025 · C · 27,100 stars

7 comments1 reaction0 assignees