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Made in Estonia

I work on practical NDA-free software to work with JavaCard and GlobalPlatform smart cards with Java, JavaScript, Android and on the web, publishing things under (L)GPL and MIT licenses.

GlobalPlatformPro and ant-javacard are among the most-used open source JavaCard developer utilities according to a study.

Recently GlobalPlatformPro received a small recognition from Google Open Source as a Peer Bonus!

Historically I’ve worked on software to make national eID cards like Estonian eID work on the web and on non-windows platforms, like writing Linux/macOS drivers for Estonian eID card and maintaining @OpenSC or creating @web-eid to ease user experience on the desktop.

Your sponsorship will allow me to do this more!

(Bitcoin accepted)

Current sponsors 5

Private Sponsor
@Toporin
@marbindrakon
@Reloohcs
@unicount
Past sponsors 6
Private Sponsor
@xavo95
@jo-bitsch
@huckym
@0xRake
Private Sponsor

Featured work

  1. martinpaljak/GlobalPlatformPro

    🌐 🔐 Manage applets and keys on JavaCard-s like a pro

    Java 732
  2. martinpaljak/ant-javacard

    Easy to use Ant task for building JavaCard applets (2.1.1 to 3.2.0)

    Java 209
  3. martinpaljak/apdu4j

    Java code for APDU level smart cards: javax.smartcardio, PC/SC and remote JSON

    Java 113
  4. martinpaljak/cdoc4j

    Java library for handling CDOC 1.0/1.1/2.0 files with AES-256 GCM and RSA or ECC

    Java 3
  5. martinpaljak/EstEID

    Estonian eID tools and libraries in Java

    Java 18

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A Public Sponsor achievement will be added to your profile.

$50 one time

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✉️ You just received a lifelong single user license for one of my tools of your choosing.

I will send you a postcard with a confirmation and "license key" if you provide an address.

$500 one time

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🧙 Magic! MagicNFC! You'll get a developer sample of a modular, configurable JavaCard applet kit with support for NDEF, FIDO and other protocols. No need for software, just a modern mobile phone.

Get access to the private repository via the monthly tier

$1,000 one time

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👨‍💻 I will work a full day (8 hours) with you and your project, questions or issues.

$5,000 one time

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👔Have a business project that deals with JavaCard, GlobalPlatform, NFC, FIDO or similar? Lets talk!

What‽ Your browser did something unexpected. Please try again. If the error continues, try disabling all browser extensions. Please contact us if the problem persists. Contact Support — GitHub Status — @githubstatus