| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| html/template | Package template (html/template) implements data-driven templates for generating HTML output safe against code injection. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| zgo.at/errors | Package errors adds some useful error helpers. |
| zgo.at/goatcounter/v2 | |
| zgo.at/z18n | Package z18n provides translations ("internationalisation", or "i18n"). |
| zgo.at/zlog | Package zlog is a logging library. |
| zgo.at/zstd/zint | Package zint implements functions for ints. |
| zgo.at/zstd/ztime | Package ztime implements functions for date and time. |