Alternatives

Products that do what PQC.club – Post-Quantum Cryptography Tools and Alternatives does

1. 1DH
   Diffie-Hellman exchange for the layman▲75

   2021 · borisreitman.com

2. 2AH
   A Hand-Drawn QR Code Alternative▲270

   2015 · meshtag.com

3. 3QJ
   Quantum JavaScript▲210

   2020 · quantumjavascript.app

4. 4QS
   Quantum suicide in Python▲151

   2016 · github.com

5. 5
   QU3▲133

   Quantum-safe MCP servers for private, verifiable inference

   2025

6. 6MA
   Monocypher: a small, easy to use crypto library▲90

   2017 · loup-vaillant.fr

7. 7DF
   Differential Fuzzing of Cryptographic Libraries▲84

   2019 · guidovranken.com

8. 8AQ
   A Quantum Perceptron – First Steps in QML▲65

   2019 · qml.entropicalabs.io

9. 9BA
   Beamsplitter – a new possibly universal hash▲69

   2020 · github.com

10. 10RV
    Rqlite v4.0 – With node-to-node encryption▲101

    2017 · github.com

11. 11KA
    Kryptor – A simple, modern, and secure encryption tool▲78

    2021 · kryptor.co.uk

12. 12BA
    Bitcoin and Quantum Computing – a three-part research series▲6

    Apr 2026 · bitcoinquantum.space

13. 13CA
    CryptoHack – a fun platform for learning cryptography▲20

    2020 · cryptohack.org

14. 14CA
    CLMM, an exercise in cryptographic minimalism▲22

    2015 · github.com

15. 15HA
    Hardware-agnostic library for near-term quantum machine learning▲8

    2018 · github.com

16. 16GE
    GoUmbral – ECC arithmetic layer, and soon-to-be proxy re-encryption lib▲19

    2018 · github.com

17. 17QM
    Quantum Machine Learning – Training with the Iris Dataset on IBMQ▲10

    2020 · iris.entropicalabs.io

18. 18HM
    Hazmat Math – Elliptic curve arithmetic for Cryptography.io objects▲33

    2017 · github.com

19. 19RC
    Roq – C++ HFT on Crypto Exchanges with μs Latency▲11

    2019 · roq-trading.com

20. 20TH
    Toy Haskell blockchain with variable hash functions for ASIC resistance▲15

    2020 · github.com

21. 21OS
    Open-source code for a private, infinitely scalable, PQ-secure L1 layer▲7

    Feb 2026 · github.com

22. 22PA
    PyBV – A Python Implementation of the BV Homomorphic Encryption Scheme▲9

    2017 · github.com

23. 23LQ
    Live Quantum Random Numbers▲5

    2013 · qrand-6081.onmodulus.net

24. 24AP
    Age-PHP: a PHP implementation of age encryption (post-quantum)▲6

    Apr 2026 · github.com

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