Code × C / C++
Abandoned C / C++ projects
The foundation. Operating systems, browsers, databases. Long-lived codebases, high bus-factor risk.
Published July 16, 2026 · ~1 min read
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About the C / C++ ecosystem
C and C++ are the foundation of modern computing. The Linux kernel, the Chrome browser, the Python interpreter, the LLVM compiler — all C/C++. These codebases are long-lived, but the bus factor is high: a single security vulnerability can put the project at risk (the XZ Utils backdoor, CVE-2024-3094, is the canonical example).
The handoff signal for C/C++ projects is often through Linux distributions: when Debian or Ubuntu deprecates a package, the upstream project often gets a wave of new maintainer interest. The CVE database is the other major signal: when a CVE is filed and the upstream is unresponsive, the project often gets forked or adopted.
The median drop-to-first-PR for C/C++ projects on BreakPoint is 35 days — the slowest of any language, because the codebases are larger and the supply of skilled systems programmers is smaller. If you know C/C++ well, this is the highest-leverage language to adopt in — the bus factor risk in C/C++ is real and the supply of adopters is limited.
C / C++ handoff signals
GitHub adopt-me topic, distro package deprecation, CVE-archived upstream