Life & fun · alternatives · 2026

24 alternatives to Public-Key Cryptography

IACR Conference on Practice and Theory (PKC 2016)

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Public-Key Cryptography launched in 2016; newer entries below may have overtaken it.

1. 1MA
   Monocypher: a small, easy to use crypto library▲90

   2017 · loup-vaillant.fr · its alternatives →

2. 2
   The Mathematics of Secrets▲3

   Cryptography from Caesar Ciphers to Digital Encryption

   2017 · its alternatives →

3. 3
   Obfuscation▲53

   A user's guide for privacy and protest

   2015 · its alternatives →

4. 4SK
   SecretCrypt – Keeping secrets in plain sight▲75

   2016 · zemanta.github.io · its alternatives →

5. 5
   The Architecture Of Privacy▲68

   How to engineer technologies with trustworthy safeguards

   2015 · its alternatives →

6. 6LA
   Lego – A Let's Encrypt Library and CLI in Go▲93

   2015 · github.com · its alternatives →

7. 7
   My Book Bulletproof TLS and PKI (Second Edition) Is Out▲134

   Hello HN. I am excited to share with you my new book, Bulletproof TLS and PKI. I've worked in this space since the very early days (think SSLv2), always frustrated with the fact that the field is vast but the documentation poor. That first led me to create SSL Labs (which ended up being very popular) and then the first edition of my book (in 2014), where I aimed to cover everything a curious person needed to know about SSL/TLS and PKI. Most importantly, it's a very practical book that you can use to just learn what you need at that moment. The second edition (just out) adds coverage of…

   2022 · feistyduck.com · its alternatives →

8. 8
   Social Engineering▲62

   The Art of Human Hacking

   2015 · its alternatives →

9. 9PC
   PQC.club – Post-Quantum Cryptography Tools and Alternatives▲6

   2024 · pqc.club · its alternatives →

10. 10CA
    CLMM, an exercise in cryptographic minimalism▲22

    2015 · github.com · its alternatives →

11. 11
    Re/code Decode - Y Combinator's Sam Altman▲92

    and the internet of things and Google

    2015 · its alternatives →

12. 12GE
    GoUmbral – ECC arithmetic layer, and soon-to-be proxy re-encryption lib▲19

    2018 · github.com · its alternatives →

13. 13
    Code▲76

    The Hidden Language of Computer Hardware and Software

    2016 · its alternatives →

14. 14
    Phishing for Phools▲63

    The economics of manipulation and deception

    2015 · its alternatives →

15. 15PF
    Private Forms: PGP-Encrypted Webforms for Privacy-Conscious Receipients▲60

    2015 · privateforms.com · its alternatives →

16. 16EI
    Equilibrium in Cryptoeconomic Networks▲54

    2019 · solmaz.io · its alternatives →

17. 17PA
    PyBV – A Python Implementation of the BV Homomorphic Encryption Scheme▲9

    2017 · github.com · its alternatives →

18. 18CS
    Cryptomove – security via data concealment, last-line data defense▲31

    2015 · cryptomove.com · its alternatives →

19. 19
    An interactive tutorial on symmetric encryption▲5

    symmetric encryption, speck, block modes, brute-force, nonce reuse

    2022 · easylang.online · its alternatives →

20. 20
    Cryptonomicon▲2

    Profound and prophetic, hypnotic and hyper-driven

    2015 · its alternatives →

21. 21HM
    Hazmat Math – Elliptic curve arithmetic for Cryptography.io objects▲33

    2017 · github.com · its alternatives →

22. 22LS
    Lockbox – simple encryption with key management▲25

    2017 · github.com · its alternatives →

23. 23OD
    On-Demand Secure Private Networks – Documentation▲17

    2016 · wormhole.network · its alternatives →

24. 24FG
    Freenet Ghost Keys: Anonymous, Verifiable Identities▲6

    2024 · freenet.org · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →