Alternatives

Products that do what Backdoor – Security CTF Platform does

1. 1AP
   A proof-of-concept FoundationDB based network block device backend▲192

   2018 · github.com

2. 2PA
   Picosnitch – a reliable and lightweight security/privacy tool for Linux▲92

   2022 · elesiuta.github.io

3. 3SA
   SeKey: An SSH Agent for OS X, Using Secure Enclave and TouchID, in Rust▲169

   2017 · github.com

4. 4CA
   Cryptic – A sensible secret management toolkit and Go library▲93

   2016 · github.com

5. 5HS
   Hyper_ – Simple and Secure Container Cloud▲88

   2016 · blog.hyper.sh

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

   2015 · github.com

7. 7HP
   Hypergolix, “programmable Dropbox” with client-side encryption▲130

   2017 · pyhgx.readthedocs.io

8. 8NA
   NoKey, a Distributed Password Manager Without a Master Password▲37

   2018 · github.com

9. 9LL
   Link-lock – Distributed app to password-protect URLs▲73

   2020 · github.com

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

    2017 · github.com

11. 11CS
    Crypt – Secure Configuration Storage in Etcd or Consul▲69

    2014 · xordataexchange.github.io

12. 12SA
    Securefs, a better transparent encryption filesystem▲18

    2015 · github.com

13. 13SA
    Sandy – A tiny Sandbox to run untrusted code ️▲64

    2020 · github.com

14. 14BA
    Beacon – a new open-source privacy and security-focused browser▲47

    2021 · impervious.com

15. 15SC
    S-Cache – Secure storage for cryptographic secrets, modeled after sudo▲51

    2020 · github.com

16. 16VA
    Vaulted – a tool for managing encrypted environments full of secrets▲13

    2016 · github.com

17. 17CS
    Cryptomove – security via data concealment, last-line data defense▲31

    2015 · cryptomove.com

18. 18CC
    CloudSploit – Continuous AWS Security Scanning▲28

    2015 · cloudsploit.com

19. 19LS
    Lockbox – simple encryption with key management▲25

    2017 · github.com

20. 20CS
    Cocert: split your private keys securely amongst untrusted network▲37

    2021 · github.com

21. 21OR
    Oyabun – resilient C2 infrastructure for pentesters▲15

    2020 · oyabun.io

22. 22CA
    CryptoHack – a fun platform for learning cryptography▲20

    2020 · cryptohack.org

23. 23DI
    Drov.io – plug-and-play user authentication and management platform▲15

    2015 · drov.io

24. 24SA
    Sqreen API, a security toolbox for developers▲8

    2017 · sqreen.io

Ranked by how close each launch is in meaning, then by votes. Refine with a description →