| aso | Atomic Scalar Operations |
| ast | miscellaneous libast support |
| astsa | standalone libast support |
| cdb | cql database format library |
| cdt | container data types |
| chr | character constant conversion routines |
| compat | ast library compatibility routines |
| compatibility | ast library compatibility routines |
| coshell | shell coprocess support |
| cs | connect stream ipc support |
| error | error and debug trace message formatter |
| find | fastfind algorithm interface |
| fmt | string formatting routines |
| fmtls | format file information in buffer |
| fs3d | 3D (nDFS) on/off switch |
| ftwalk | file tree walker |
| getcwd | return absolute path to current directory |
| hash | hash table support (obsolete: use cdt instead) |
| hsort | array heap sort |
| huff | huffman coding/decoding |
| huffman | huffman coding/decoding |
| iblocks | compute number file blocks used |
| int | integral type macros |
| interval | Nested intervals and longest prefix matching |
| ip6 | IP V6 address support |
| iv | arbitrary size unsigned big-endian integer nested intervals and longest prefix matching |
| LIBAST | introduction to the ast library |
| Libinterval | Nested intervals and longest prefix matching |
| libiv | arbitrary size unsigned big-endian integer nested intervals and longest prefix matching |
| libptv | arbitrary size prefix matching by intervals |
| magic | magic file interface |
| mem | fixed string routines |
| mime | mime/mailcap interface |
| modecanon | canonical file mode representation |
| nval | the ksh name/value library |
| optget | option parse assist |
| path | file path routines |
| pp | ANSI C preprocessor library |
| preroot | preroot support |
| proc | process control routines |
| ptv | arbitrary size prefix matching by intervals |
| pzip | fixed record partition compress/decompress library |
| recsort | sorting records |
| regex | regular expression interface |
| setenviron | set environment value |
| sfdisc | sfio disciplines |
| sfio | safe/fast string/file input/output |
| shell | a ksh library interface |
| sig | signal interface routines |
| spawnveg | process spawn with process group and session control |
| stak | data stack storage library (obsolete: use stk instead) |
| stk | data stack storage library |
| strcopy | copy strings |
| strdup | duplicate nul-terminated string |
| strelapsed | parse elapsed time expression |
| strerror | return error message string given error number |
| stresc | convert character constants in string |
| streval | long integer arithmetic expression evaluator |
| strgid | return group name given group number |
| strmatch | match shell file patterns |
| stropt | table driven option expression evaluator |
| strperm | evaluate file permission expression |
| strsignal | return signal description string given signal number |
| strsort | array heap sort |
| strtape | convert string to tape device pathname |
| strton | convert string to long integer |
| struid | return user name given user number |
| swap | integral representation conversion routines |
| tab | simple table lookup routines |
| tm | time conversion support |
| tmx | time conversion support |
| tok | space separated token stream routines |
| touch | set file access and modify times |
| tv | high resolution time support |
| vcodex | Data transformation for compression, encryption, etc. |
| vdelta | data differencing and compression |
| vecargs | command argument vector insertion routines |
| vmalloc | virtual memory allocation |
| zlib | compression/decompression library |