| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/containerd/containerd/cmd/ctr/commands | |
| github.com/containerd/containerd/content | |
| github.com/containerd/containerd/diff | |
| github.com/containerd/containerd/log | |
| github.com/containerd/containerd/mount | |
| github.com/containerd/containerd/pkg/progress | Package progress assists in displaying human readable progress information. |
| github.com/containerd/containerd/rootfs | |
| github.com/containerd/containerd/snapshots | |
| github.com/opencontainers/go-digest | Package digest provides a generalized type to opaquely represent message digests and their operations within the registry. |
| github.com/opencontainers/image-spec/specs-go/v1 | |
| github.com/urfave/cli | Package cli provides a minimal framework for creating and organizing command line Go applications. |
| io | Package io provides basic interfaces to I/O primitives. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| text/tabwriter | Package tabwriter implements a write filter (tabwriter.Writer) that translates tabbed columns in input into properly aligned text. |
| time | Package time provides functionality for measuring and displaying time. |