SKM is an SSH key manager designed for people who maintain several identities across different servers, repositories and development environments. It provides commands for creating, organising and selecting SSH keys without having to manage every key file manually.
Keys are organised under memorable aliases, allowing users to switch their default identity, inspect individual keys and copy public keys to remote hosts. An interactive selector makes it easier to work with a larger collection.
SKM also offers tools for examining the security of stored keys. It can identify weak keys, missing passphrases and ageing credentials, while providing facilities for importing, exporting and backing up keys.
This is free and open source software.
Key Features
- Creates and manages SSH keys under descriptive aliases, with support for Ed25519, RSA and FIDO2 hardware-backed key types.
- Lists stored keys with optional detailed information, including key type, strength, fingerprint and SSH agent status.
- Switches the default SSH identity and provides an interactive fuzzy-search interface for selecting keys.
- Imports existing key pairs and exports individual keys as archive bundles, with optional encryption.
- Backs up and restores the SSH key collection.
- Supports adding, changing and removing private-key passphrases.
- Audits stored keys for insufficient RSA strength, missing passphrases and excessive age, with machine-readable output for automation.
- Provides diagnostic checks for the SSH environment, agent configuration and stored keys.
- Publishes public keys to GitHub, GitLab and Bitbucket.
- Copies a selected public key to a remote host, with interactive selection and dry-run options.
- Moves deleted keys into a recoverable trash collection instead of immediately destroying them.
- Supports event hooks for key creation, use, deletion and copying, alongside SSH agent integration.
Website: github.com/TimothyYe/skm
Support:
Developer: Timothy Ye
License: MIT License
SKM is written in Go. Learn Go with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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