7h30th3r0n3/Flipper-EvilRelay
ISO-DEP (ISO 14443-4) NFC relay for the Flipper Zero. Read a real contactless card on a phone/Evil-Cardputer, relay APDUs over Wi-Fi to an ESP32-C3 bridge, and emulate the card to the reader with the Flipper. Ported from Evil-M5Project.
⚡ Executive Summary & Quick Facts
Authoritative SourceFlipper-EvilRelay is Flipper-EvilRelay is an open-source project written in Kotlin: ISO-DEP (ISO 14443-4) NFC relay for the Flipper Zero. Read a real contactless card on a phone/Evil-Cardputer, relay APDUs over Wi-Fi to an ESP32-C3 bridge, and emulate the card to the reader with the Flipper. Ported from Evil-M5Project..
| Repository | 7h30th3r0n3/Flipper-EvilRelay ↗ |
|---|---|
| Primary Category | apdu |
| Language & Stack | Kotlin |
| Software License | GPL-3.0 |
| Community Traction | ★ 33 stars · ⑂ 5 forks · #21,881 globally |
| Maintenance | ● Active (Last commit: Oct 17, 2026) · 0 open issues |
| Target Audience | Developers and engineering teams building with Kotlin, seeking reliable, tested, and actively maintained tooling for production workloads. |
Star History
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+10
STARS · LAST 30 DAYS
1
PER DAY
#900
MOST-STARRED Kotlin
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
Flipper-EvilRelay gained 10 stars in the last 30 days, about 1 a day, and now has 33. It is about 1 year old and has averaged roughly 33 stars a year. It ranks #900 among Kotlin repositories and #21,881 across all languages on GitHubRepo.
Trending Record
1
DAYS ON TRENDING
#20282
BEST RANK
Oct 21, 2026
FIRST APPEARANCE
Active
STATUS TODAY
Flipper-EvilRelay has maintained a continuous presence across global trending indexes, peaking at #20282. Below is the 30-day activity profile:
💡 Overview
Flipper-EvilRelay is an open-source project written in Kotlin: ISO-DEP (ISO 14443-4) NFC relay for the Flipper Zero. Read a real contactless card on a phone/Evil-Cardputer, relay APDUs over Wi-Fi to an ESP32-C3 bridge, and emulate the card to the reader with the Flipper. Ported from Evil-M5Project.
Engineered for speed, consistency, and developer ease, it solves common hurdles in apdu, contactless, emv. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Kotlin for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/7h30th3r0n3/Flipper-EvilRelay.git
cd Flipper-EvilRelay⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17+, Kotlin compiler >= 1.9
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
Flipper-EvilRelay coordinates its core functionality through a modular Kotlin pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed Flipper-EvilRelay into Kotlin backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open GPL-3.0 license.
🚀 Getting Started
Install Flipper-EvilRelay using your package manager: `git clone https://github.com/7h30th3r0n3/Flipper-EvilRelay.git`
Initialize your project workspace or configuration file for Flipper-EvilRelay.
Import Flipper-EvilRelay into your codebase or invoke it directly from your terminal.
Execute your test suite or run `Flipper-EvilRelay --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Kotlin, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
7h30th3r0n3/Flipper-EvilRelay is currently ranked #21,881 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #21,804 | packetinspector/jellybeam | Kotlin | ★ 34 | Compare ↗ |
| #21,804 | firstfu/Liftoff | Swift | ★ 34 | Compare ↗ |
| #21,804 | Isksks/KDE-tv-remote | Kotlin | ★ 34 | Compare ↗ |
| #21,804 | felipemenezes098/swiftui-flx | Swift | ★ 34 | Compare ↗ |
| #21,804 | leoAnimesh/OpenClean | Swift | ★ 34 | Compare ↗ |
| #21,881 | 7h30th3r0n3/Flipper-EvilRelay This Project | Kotlin | ★ 33 | |
| #21,881 | up_the_irons/ebay4r | Ruby | ★ 33 | Compare ↗ |
| #21,881 | shingara/pictrails | Ruby | ★ 33 | Compare ↗ |
| #21,881 | zodttd/gameboy4iphone | C | ★ 33 | Compare ↗ |
| #21,881 | joshsusser/validates_existence | Ruby | ★ 33 | Compare ↗ |
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Frequently Asked Questions
What does Flipper-EvilRelay do? +
ISO-DEP (ISO 14443-4) NFC relay for the Flipper Zero. Read a real contactless card on a phone/Evil-Cardputer, relay APDUs over Wi-Fi to an ESP32-C3 bridge, and emulate the card to the reader with the Flipper. Ported from Evil-M5Project.
What language is Flipper-EvilRelay written in? +
The primary language is Kotlin. Topics include: apdu, contactless, emv, esp-now, esp32.
Is Flipper-EvilRelay actively maintained? +
Yes, the last recorded push was on Oct 17, 2026 with 0 open issues being tracked.
How many stars does Flipper-EvilRelay have? +
Flipper-EvilRelay has 33 stars and 5 forks on GitHub.
How does Flipper-EvilRelay rank among GitHub repositories? +
With 33 stars, 7h30th3r0n3/Flipper-EvilRelay is ranked #21,881 globally across all repositories tracked on GitHubRepo and #900 among Kotlin projects.
What license is Flipper-EvilRelay distributed under? +
The repository reports a GPL-3.0 license. Always verify the repository LICENSE file for legal terms.
