| haskellPackages.HongoDB | A Simple Key Value Store |
| haskellPackages.cache | An in-memory key/value store with expiration support |
| haskellPackages.vimus | An MPD client with vim-like key bindings |
| haskellPackages.mlkem | Module-Lattice-based Key-Encapsulation Mechanism |
| haskellPackages.CurryDB | CurryDB: In-memory Key/Value Database |
| haskellPackages.wild-bind | Dynamic key binding framework |
| haskellPackages.phkdf | Toolkit for self-documenting password hash and key derivation functions |
| haskellPackages.ppad-hkdf | A HMAC-based key derivation function |
| perlPackages.CryptArgon2 | Perl interface to the Argon2 key derivation functions |
| yaziPlugins.smart-enter | Open files or enter directories all in one key |
| perlPackages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| haskellPackages.sortee | Generate string for sort key |
| perl5Packages.CryptArgon2 | Perl interface to the Argon2 key derivation functions |
| haskellPackages.tahoe-chk | The Tahoe-LAFS' Content-Hash-Key (CHK) cryptographic protocol |
| texlivePackages.lparse | A Lua module for parsing key-value options |
| perlPackages.HashMultiValue | Store multiple values per key |
| perl540Packages.CryptDH | Diffie-Hellman key exchange system |
| perl538Packages.CryptDH | Diffie-Hellman key exchange system |
| tmuxPlugins.minimal-tmux-status | Minimal tmux status line plugin with prefix key indicator |
| haskellPackages.ppad-pbkdf | A password-based key derivation function |
| perl5Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perl540Packages.CryptDSA | DSA Signatures and Key Generation |
| perl538Packages.CryptDSA | DSA Signatures and Key Generation |
| haskellPackages.spake2 | Implementation of the SPAKE2 Password-Authenticated Key Exchange algorithm |
| texlivePackages.ctable | Flexible typesetting of table and figure floats using key/value directives |
| akkuPackages.chibi-crypto-rsa | RSA public key cryptography implementation |
| perl5Packages.HashMultiValue | Store multiple values per key |
| haskellPackages.group-with | Classify objects by key-generating function, like SQL GROUP BY |
| libxeddsa | Toolkit around Curve25519 and Ed25519 key pairs |
| perlPackages.CryptScryptKDF | Scrypt password based key derivation function |
| texlivePackages.clefval | Key/value support with a hash |
| libargon2 | Key derivation function that was selected as the winner of the Password Hashing Competition in July 2015 |
| libcredis | C client library for Redis (key-value database) |
| perl5Packages.CryptScryptKDF | Scrypt password based key derivation function |
| haskellPackages.Twofish | An implementation of the Twofish Symmetric-key cipher |
| emacsPackages.control-lock | Like caps-lock, but for your control key |
| haskellPackages.libmdbx | Bindings for libmdbx, an embedded key/value store |
| rocksdb_8_3 | Library that provides an embeddable, persistent key-value store for fast storage |
| haskellPackages.newhope | Library implementing the NewHope cryptographic key-exchange protocol |
| texlivePackages.options | Provides convenient key-value options for LaTeX package writers |
| haskellPackages.type-level-kv-list | Type level Key-Value list |
| haskellPackages.io-storage | A key-value store in the IO monad |
| texlivePackages.expkv-bundle | An expandable key=val implementation and friends |
| perl538Packages.CryptArgon2 | Perl interface to the Argon2 key derivation functions |
| perl540Packages.CryptArgon2 | Perl interface to the Argon2 key derivation functions |
| haskellPackages.map-classes | A set of classes and instances for working with key/value mappings |
| perl538Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perl540Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| haskellPackages.url-generic | Parse/format generic key/value URLs from record data types |
| perl538Packages.HashMultiValue | Store multiple values per key |
| perl540Packages.HashMultiValue | Store multiple values per key |
| rocksdb_7_10 | Library that provides an embeddable, persistent key-value store for fast storage |
| rocksdb_9_10 | Library that provides an embeddable, persistent key-value store for fast storage |
| rocksdb_6_23 | Library that provides an embeddable, persistent key-value store for fast storage |
| rocksdb_8_11 | Library that provides an embeddable, persistent key-value store for fast storage |
| texlivePackages.multienv | Multiple environments using a "key=value" syntax |
| texlivePackages.simplekv | A simple key/value system for TeX and LaTeX |
| haskellPackages.kvitable | Key/Value Indexed Table container and formatting library |
| perl538Packages.CryptScryptKDF | Scrypt password based key derivation function |
| perl540Packages.CryptScryptKDF | Scrypt password based key derivation function |
| haskellPackages.amazonka-kms | Amazon Key Management Service SDK |
| haskellPackages.int-multimap | A data structure that associates each Int key with a set of values |
| texlivePackages.kvoptions | Key value format for package options |
| haskellPackages.gogol-cloudkms | Google Cloud Key Management Service (KMS) SDK |
| zsh-system-clipboard | Plugin that adds key bindings support for ZLE (Zsh Line Editor) clipboard operations for vi emulation keymaps |
| haskellPackages.compactmap | A read-only memory-efficient key-value store |
| haskellPackages.downloader | A small, low-dependency library that provides turn-key file download over HTTP and HTTPS |
| haskellPackages.certificate | Certificates and Key Reader/Writer |
| texlivePackages.affilauthor | Tag author and affiliation information in a key-value style |
| haskellPackages.DescriptiveKeys | A library for specifying xmonad key bindings with functionality |
| haskellPackages.refined-containers | Type-checked proof that a key exists in a container and can be safely indexed |
| haskellPackages.justified-containers | Keyed container types with type-checked proofs of key presence |
| haskellPackages.composable-associations | Types and helpers for composing types into a single larger key-value type |