C Smartcard

Open-source C projects categorized as Smartcard

Top 6 C Smartcard Projects

  1. OpenSC

    Open source smart card tools and middleware. PKCS#11/MiniDriver/Tokend

  2. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

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  3. vsmartcard

    umbrella project for emulation of smart card readers or smart cards

  4. putty-cac

    Windows Secure Shell Client With Support For Smart Cards, Certificates, & FIDO Keys

  5. hydrafw

    HydraBus HydraFW official firmware for open source multi-tool for anyone interested in learning/developping/debugging/hacking/Penetration Testing for basic or advanced embedded hardware

  6. PCSC

    pcsc-lite: PC/SC implementation

  7. tls-ca-manage

    Multi-level Certificate Authority Management tool, front-end tool to OpenSSL, written in bash shell.

    Project mention: Lets Encrypt Ending TLS Client Authentication Certificate Support in 2026 | news.ycombinator.com | 2025-05-17

    Yes. But I like my own certificate tool better.

    Problem is OpenSSH 3.1 broke CLI syntax, so that needs fixing.

    Used JetBrain with Bash plugin.

    https://github.com/egberts/tls-ca-manage

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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C Smartcard related posts

  • NIST: Personal Identity Verification (PIV) of Federal Employees and Contractors

    1 project | news.ycombinator.com | 23 Mar 2024
  • How do you put your private key files (.ppk) on a security key (HYPERFIDO U2F/FIDO2/HOTP) ?

    2 projects | /r/sysadmin | 25 Oct 2023
  • Unix sockets, Cygwin, SSH agents, and sadness

    4 projects | news.ycombinator.com | 29 Aug 2023
  • Create Your Own Local Root CA With Yubikey Signing

    1 project | dev.to | 9 Aug 2023
  • You can link an OpenPGP key to a German eID

    1 project | news.ycombinator.com | 31 May 2023
  • Enhance your Network Security with Zero Trust and OTP

    2 projects | /r/yubikey | 4 Apr 2023
  • SSH from any computer using FIDO2 resident key, multiple keys and hosts.

    1 project | /r/yubikey | 28 Dec 2022
  • A note from our sponsor - SaaSHub
    www.saashub.com | 8 Jul 2025
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Index

What are some of the best open-source Smartcard projects in C? This list will help you:

# Project Stars
1 OpenSC 2,781
2 vsmartcard 786
3 putty-cac 521
4 hydrafw 394
5 PCSC 306
6 tls-ca-manage 42

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