* [Zax v4.0.0](https://github.com/vault12/zax) – NaCl-based cryptographic relay network enabling asynchronous, end-to-end encrypted mobile messaging with ephemeral storage and device privacy.

* [Hasher v2.0.0](https://github.com/s12v/hasher) – Browser extension providing local hashing, HMAC, CRC, ciphers, password generation, and encoding tools in a popup UI.

* [gnark-crypto v0.22.0](https://github.com/Consensys-Incorporated/gnark-crypto) – Go library of efficient elliptic-curve, pairing, hash, signature, and polynomial-commitment cryptographic primitives for zero-knowledge systems.

* [UltrafastSecp256k1 v4.6.0](https://github.com/shrec/UltrafastSecp256k1) – High-performance multi-backend secp256k1 engine providing reproducible audit evidence, compatibility shims, and bindings across CPU and GPU platforms.

* [OpenPubkey v0.29.0](https://github.com/openpubkey/openpubkey) – Protocol leveraging OpenID Providers to bind identities to public keys through verifiable tokens.

* [go-siat v2.4.0](https://github.com/ron86i/go-siat) – Go SDK that simplifies SIAT SOAP web-service integration for Bolivian electronic invoicing, handling XML/SOAP envelopes, digital signatures, and request/response types.

* [PrivacyNotes v0.621.0](https://github.com/LifetimeLabsDev/PrivacyNotes.app) – End-to-end encrypted notes, tasks, journal, passwords, files, and bookmarks using a phrase-derived identity key and client-side encryption across multiple platforms.

* [Drand - A Distributed Randomness Beacon Daemon v2.1.8](https://github.com/drand/drand) – Distributed network producing publicly verifiable, unbiased, and unpredictable random values at fixed intervals using threshold cryptography.

* [eddy v1.6.1](https://github.com/70sh1/eddy) – Simple, fast CLI file encryption tool with concurrent processing, BLAKE2b-based authenticity, and plausible deniability.

* [ironhide 1.1.1](https://github.com/IronCoreLabs/ironhide) – CLI tool for proxy re-encryption to encrypt and decrypt files using cryptographic groups with scalable membership and revocation.

* [Crypto11 v2.0.0-rc7](https://github.com/eclipse-keypont/crypto11) – PKCS#11 backend implementing Go crypto.Signer and crypto.Decrypter for HSM-protected RSA, DSA, and ECDSA keys, certificates, and supported signing and encryption mechanisms.