Alternatives

Products that do what Smart Contract Security CTF (Capture the Flag) on the Ropsten Testnet does

1. 1SD
   SSL Decoder – An open-source alternative for the SSL Labs server test▲160

   2015 · tls.so

2. 2PA
   Pact – a safe smart contract language (web editor)▲18

   2016 · kadena.io

3. 3OV
   Online Vulnerability Scanner for Ethereum Smart Contracts▲16

   2017 · tool.smartdec.net

4. 4
   Signadot SmartTests▲109

   AI Powered Contract Testing

   2025

5. 5SA
   SeKey: An SSH Agent for OS X, Using Secure Enclave and TouchID, in Rust▲169

   2017 · github.com

6. 6AP
   A proactive way of securing your Linux server▲143

   2020 · github.com

7. 7DA
   Dsnet, a simple command to manage a centralised WireGuard VPN▲69

   2020 · github.com

8. 8EP
   eth-private-net – Tooling to run a private Ethereum network locally▲140

   2017 · github.com

9. 9SA
   SECCOMP – A Secure Spreadsheet▲34

   2017 · calctopia.com

10. 10SA
    Sandy – A tiny Sandbox to run untrusted code ️▲64

    2020 · github.com

11. 11BS
    Backdoor – Security CTF Platform▲12

    2015 · backdoor.sdslabs.co

12. 12BA
    Building a no gimmick smart contract platform as a service▲45

    2017 · ellcrys.co

13. 13CS
    Crypt – Secure Configuration Storage in Etcd or Consul▲69

    2014 · xordataexchange.github.io

14. 14SC
    Smart Contracts over HTTP▲12

    2016 · dev.blockcypher.com

15. 15NR
    Netty-rs – Rust library to easily write server/client network protocols▲22

    2021 · gitlab.com

16. 16CC
    CertMagic – Caddy's automagic HTTPS features as a Go library▲33

    2018 · github.com

17. 17SA
    Securefs, a better transparent encryption filesystem▲18

    2015 · github.com

18. 18SC
    Smart Contracts for Cracking Passwords▲9

    2017 · initialized.github.io

19. 19AE
    An Ethereum Smart Contract in Solidity with a React Front End▲9

    2018 · github.com

20. 20OR
    Oyabun – resilient C2 infrastructure for pentesters▲15

    2020 · oyabun.io

21. 21WB
    We built a web application security testing tool for developers and SMB▲22

    2019 · beaglesecurity.com

22. 22AS
    A Solidity library for verifying Ethereum message multi-signatures▲8

    2018 · github.com

23. 23HS
    Hyperchecker – Static Analyzer for Hyperledger Fabric Smart Contracts▲11

    2018 · hyperchecker.chainsecurity.com

24. 24FS
    Free, secure dev tunnels with custom domains using Fly and WireGuard▲24

    2020 · github.com

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