| jwerle/fs.c | File system API much like Node's fs module | MIT |
| stephenmathieson/mkdirp.c | mkdir -p | MIT |
| stephenmathieson/rimraf.c | rm -rf | MIT |
| willemt/file2str | reads a file and returns contents as a string | public domain |
| willemt/stubfile | for managing the creation of files where the content of the files will be written to randomly | BSD |
| stephenmathieson/tempdir.c | An implementation of Python's tempfile.tempdir algorithm | Unlicensed |
| willemt/pidfile | Create a pidfile | BSD |
| cxong/tinydir | Lightweight, portable and easy to integrate C directory and file reader | BSD-2-Clause |
| isty001/copy | Copies files, directories recursively | MIT |
| clibs/which | Locate executable via $PATH or given string | MIT |
| likle/cwalk | Path library for C/C++. Cross-Platform for Windows, MacOS and Linux. Supports UNIX and Windows path styles on those platforms. | Unlicensed |