| avbroot | Sign (and root) Android A/B OTAs with custom keys while preserving Android Verified Boot |
| libnspsl | NetSurf Public Suffix List - Handling library |
| asc-key-to-qr-code-gif | Convert ASCII-armored PGP keys to animated QR code |
| flatito | Grep for keys in YAML and JSON files |
| transito | Data-provider-agnostic (GTFS) public transportation app |
| mobroute | General purpose public transportation router based on GTFS |
| stb | Single-file public domain libraries for C/C++ |
| mdns | Public domain mDNS/DNS-SD library in C |
| vid-stab | Video stabilization library |
| belr | Belledonne Communications' language recognition library. Part of the Linphone project |
| oksh | Portable OpenBSD ksh, based on the Public Domain Korn Shell (pdksh) |
| exploitdb | Archive of public exploits and corresponding vulnerable software |
| wxsqlite3 | C++ wrapper around the public domain SQLite 3.x for wxWidgets |
| sshd-openpgp-auth | Command-line tool for creating and managing OpenPGP based trust anchors for SSH host keys |
| keychain | Manage SSH and GPG keys in a convenient and secure manner |
| netsurf.libnspsl | NetSurf Public Suffix List - Handling library |
| linalg | Single-header, public domain, short vector math library for C++ |
| belle-sip | Modern library implementing SIP (RFC 3261) transport, transaction and dialog layers. Part of the Linphone project |
| cacert | Bundle of X.509 certificates of public Certificate Authorities (CA) |
| pdpmake | Public domain POSIX make |
| ripsecrets | Command-line tool to prevent committing secret keys into your source code |
| belcard | C++ library to manipulate VCard standard format. Part of the Linphone project |
| bc-soci | Database access library for C++. Belledonne Communications' fork for Linphone |
| haskellPackages.hpke | Hybrid Public Key Encryption |
| haskellPackages.pvss | Public Verifiable Secret Sharing |
| haskellPackages.VKHS | Provides access to Vkontakte social network via public API |
| bcunit | Belledonne Communications' fork of CUnit test framework. Part of the Linphone project |
| age-plugin-1p | Use SSH keys from 1Password with age |
| linphonePackages.lime | End-to-end encryption library for instant messaging. Part of the Linphone project |
| perlPackages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perlPackages.TieRefHash | Use references as hash keys |
| linphonePackages.ortp | Real-Time Transport Protocol (RFC3550) stack. Part of the Linphone project |
| linphonePackages.bc-soci | Database access library for C++. Belledonne Communications' fork for Linphone |
| perl5Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perl5Packages.TieRefHash | Use references as hash keys |
| linphonePackages.belr | Belledonne Communications' language recognition library (a SIP parsing library). Part of the Linphone project |
| akkuPackages.chibi-crypto-rsa | RSA public key cryptography implementation |
| haskellPackages.knit | Ties the knot on data structures that reference each other by unique keys |
| linphonePackages.bc-ispell | Interactive spelling checker |
| linphonePackages.bcunit | Fork of the defunct project CUnit, a unit testing framework |
| texlivePackages.xcite | Use citation keys from a different document |
| texlivePackages.tipfr | Produces calculator's keys with the help of TikZ |
| linphonePackages.belle-sip | Modern library implementing SIP (RFC 3261) transport, transaction and dialog layers. Part of the Linphone project |
| haskellPackages.tie-knot | "Ties the knot" on a given set of structures that reference each other by keys |
| perl538Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perl540Packages.AltCryptRSABigInt | RSA public-key cryptosystem, using Math::BigInt |
| perlPackages.TieRegexpHash | Use regular expressions as hash keys |
| perl540Packages.TieRefHash | Use references as hash keys |
| perl538Packages.TieRefHash | Use references as hash keys |
| haskellPackages.hackage-diff | Compare the public API of different versions of a Hackage library |
| haskellPackages.holidays | Library for country public holidays |
| haskellPackages.crypto-pubkey | Public Key cryptography |
| haskellPackages.zcache | Zobrist keys for game state tracking |
| linphonePackages.bc-mbedtls | Portable cryptographic and TLS library, formerly known as PolarSSL (Linphone fork) |
| perl5Packages.TieRegexpHash | Use regular expressions as hash keys |
| haskellPackages.data-store | Type safe, in-memory dictionary with multidimensional keys |
| haskellPackages.tables | In-memory storage with multiple keys using lenses and traversals |
| vimPlugins.jsonfly-nvim | Search blazingly fast for JSON / XML / YAML keys via Telescope |
| linphonePackages.belcard | C++ library to manipulate VCard standard format. Part of the Linphone project |
| haskellPackages.list-tries | Tries and Patricia tries: finite sets and maps for list keys |
| texlivePackages.esindex | Generate sorting keys for indexes |
| texlivePackages.graph35 | Draw keys and screen items of several Casio calculators |
| haskellPackages.keycode | Maps web browser keycodes to their corresponding keyboard keys |
| haskellPackages.commsec | Provide communications security using symmetric ephemeral keys |
| haskellPackages.crypto-totp | Provides generation and verification services for time-based one-time keys |
| haskellPackages.typerep-map | Efficient implementation of a dependent map with types as keys |
| perlPackages.DirManifest | Treat a directory and a manifest file as a hash/dictionary of keys to texts or blobs |
| perl540Packages.TieRegexpHash | Use regular expressions as hash keys |
| perl538Packages.TieRegexpHash | Use regular expressions as hash keys |
| haskellPackages.generic-trie | A map, where the keys may be complex structured data |
| texlivePackages.dichokey | Construct dichotomous identification keys |
| haskellPackages.bytetrie | Tries with Bytes as keys |
| perl5Packages.DirManifest | Treat a directory and a manifest file as a hash/dictionary of keys to texts or blobs |
| texlivePackages.identkey | Typesetting bracketed dichotomous identification keys |
| vimPlugins.demicolon-nvim | Overloaded ; and , keys in Neovim |
| idrisPackages.patricia | Immutable map from integer keys to values based on patricia tree. Basically persistent array |
| haskellPackages.bank-holiday-germany | German bank holidays and public holidays |
| haskellPackages.config-parser | Parse config files using parsec and generate parse errors on unhandled keys |
| haskellPackages.xinput-conduit | Conduit of keys pressed by xinput |
| haskellPackages.xmonad-spotify | Bind media keys to work with Spotify |
| texlivePackages.edichokey | Typeset dichotomous identification keys |
| haskellPackages.data-map-multikey | Data.Map with multiple, unique keys |
| texlivePackages.ticollege | Graphical representation of keys on a standard scientific calculator |
| perl540Packages.DirManifest | Treat a directory and a manifest file as a hash/dictionary of keys to texts or blobs |
| perl538Packages.DirManifest | Treat a directory and a manifest file as a hash/dictionary of keys to texts or blobs |
| haskellPackages.battleplace-api | Public API definitions of BattlePlace.io service |
| haskellPackages.rest-stringmap | Maps with stringy keys that can be transcoded to JSON and XML |
| haskellPackages.amazonka-finspace-data | Amazon FinSpace Public API SDK |
| texlivePackages.bracketkey | Produce bracketed identification keys |
| haskellPackages.enummapset | IntMap and IntSet with Enum keys/elements |
| haskellPackages.enummapmap | Map of maps using Enum types as keys |
| haskellPackages.polysemy-keyed-state | Effect for a set of stateful values indexed by a type of keys |
| haskellPackages.crypto-pubkey-openssh | OpenSSH keys decoder/encoder |
| haskellPackages.private-hackage-uploader | Upload a package to the public or private hackage, building its docs |
| haskellPackages.byte-containers | Sets and maps with 8-bit words for keys |
| haskellPackages.multihashmap | hashmap from keys to hashsets |
| haskellPackages.bank-holiday-germany_2_1_0_0 | German bank holidays and public holidays |
| mpvScripts.eisa01.simplebookmark | Simple bookmarks script based on assigning keys |
| perlPackages.PerlCriticPolicyVariablesProhibitLoopOnHash | Don't write loops on hashes, only on keys and values of hashes |
| perl5Packages.PerlCriticPolicyVariablesProhibitLoopOnHash | Don't write loops on hashes, only on keys and values of hashes |