Open Source Kotlin Security Software
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Kotlin Security Software
View 6067 business solutionsBrowse free open source Kotlin Security Software and projects below. Use the toggles on the left to filter open source Kotlin Security Software by OS, license, language, programming language, and project status.
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1
SimpleX
The first messaging platform operating without user identifiers
Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc. SimpleX does not, not even random numbers. This radically improves your privacy. The video shows how you connect to your friend via their 1-time QR-code, in person or via a video link. You can also connect by sharing an invitation link. Temporary anonymous pairwise identifiers SimpleX uses temporary anonymous pairwise addresses and credentials for each user contact or group member. It allows to deliver messages without user profile identifiers, providing better meta-data privacy than alternatives. Many communication platforms are vulnerable to MITM attacks by servers or network providers. To prevent it SimpleX apps pass one-time keys out-of-band when you share an address as a link or a QR code. Double-ratchet protocol. OTR messaging with perfect forward secrecy and break-in recovery. NaCL cryptobox in each queue to prevent traffic correlation between message queues if TLS is compromised. -
2
Shadowsocks for Android
A shadowsocks client for Android
Shadowsocks for Android is the Android client for the widely-used, high-performance encryption protocol project Shadowsocks. It is a secure socks5 proxy for Android that is designed to protect your internet traffic. Shadowsocks for Android allows you to surf the internet privately and securely at all times through your Android device. It features bleeding-edge techniques with Asynchronous I/O and Event-driven programming. It is completely free and open-source and is available for other platforms as well. -
3
Flipper Android App
Android Mobile app to rule all Flipper's family
Flipper Android App is the official Android-based companion application that provides full control and management capabilities for the Flipper Zero device through a modular and scalable mobile architecture. Built primarily in Kotlin, the app is structured into multiple components that separate core logic, communication layers, and feature modules, enabling maintainability and extensibility for future development. It establishes a communication bridge between Android devices and Flipper Zero, allowing users to interact with hardware features such as infrared remotes, RFID/NFC tools, and Sub-GHz radio functionalities directly from their smartphone. The app supports file browsing, data transfer, and device configuration, making it a comprehensive control center for managing the Flipper ecosystem. Its modular design allows developers to introduce new features independently without disrupting the overall application structure. -
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InjuredAndroid
Vulnerable Android application that shows examples of vulnerabilities
A vulnerable Android application with ctf examples based on bug bounty findings, exploitation concepts, and pure creativity. -
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5
Accrescent
A novel Android app store focused on security, privacy, and usability
Accrescent is a private and secure Android app store built with modern features in mind. It aims to provide a developer-friendly platform and pleasant user experience while enforcing modern security and privacy practices and offering robust validity guarantees for installed apps. A novel Android app store focused on security, privacy, and usability. Open-source forever. -
6
Horusec
Open source tool that improves identification of vulnerabilities
Horusec is an open source tool that performs a static code analysis to identify security flaws during the development process. Currently, the languages for analysis are C#, Java, Kotlin, Python, Ruby, Golang, Terraform, Javascript, Typescript, Kubernetes, PHP, C, HTML, JSON, Dart, Elixir, Shell, Nginx. The tool has options to search for key leaks and security flaws in all your project's files, as well as in Git history. Horusec can be used by the developer through the CLI and by the DevSecOps team on CI /CD mats. -
7
jarrid-keyper
Keyper by Jarrid is a suite of crypto key management APIs
Keyper by Jarrid is a suite of crypto key management APIs to simplify key creation, management, deployment, and encryption/decryption in a standardized and secure way. Operations are file-based and can be easily automated, tracked, audited, and managed via file-based processes such as GitOps. Fully integrated with cloud KMS services such as AWS KMS or GCP KMS, leverage managed crypto key generation and reduce infrastructure maintenance burden. -
8
Alerter
An Android alerting library
This library aims to overcome the limitations of Toasts and Snackbars, while reducing the complexity of your layouts. With simplicity in mind, the Alerter employs the builder pattern to facilitate easy integration into any app. A customizable Alert View is dynamically added to the Decor View of the Window, overlaying all content. Include the JitPack.io Maven repo in your project's build.gradle file. -
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Android KeePassDX
Lightweight vault and password manager for Android
Lightweight vault and password manager for Android, KeePassDX allows editing encrypted data in a single file in KeePass format and filling in the forms in a secure way. Keep your password safe in a secure place, KeePassDX stores your database in a single encrypted file and can be copied and moved wherever you want. KeePassDX is compatible with other KeePass products, the format is standardized and allows for increased interoperability. KeePassDX is created by the community and the code is completely open, it allows better security and better management of your needs. -
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10
Vigilante
Android security (camera/microphone dots indicators) app using Hilt
Know when a third-party app uses your device's camera/microphone. An app that focuses on your privacy and alerts you when a third-party app uses your device camera or mic, plus few other goodies. -
11
Assent
Android Runtime Permissions made easy and compact
Assent is designed to make Android's runtime permissions easier and take less code in your app to use. Runtime permissions on Android are completely reliant on the UI the user is in. Permission requests go in and out of Activities and Fragments. This library provides its functionality as Kotlin extensions to Fragment Activities (e.g. AppCompatActivity) and AndroidX Fragments. -
12
2FAS Pass Android
Source code for 2FAS Pass Android app
2FAS Pass Android is the open-source Android implementation of the 2FAS password-protected authenticator and secure vault project, which blends two-factor authentication (2FA) token generation with a secure vault for managing verification codes and potentially other sensitive credentials. While specific repo details vary by the community project, in the broader 2FAS ecosystem the Android clients are designed to generate TOTP (time-based one-time passwords) and HOTP codes for users’ accounts, helping them meet modern multi-factor authentication needs through a simple, private user interface that works offline and without needing an account. The app supports scanning QR codes to add new authentication tokens, allows local encrypted storage of secrets, and can restore tokens from backups or synced devices. 2FAS focuses on privacy and simplicity—tokens aren’t sent to third parties, metadata isn’t stored externally, and users can secure the app with biometrics or passcodes. -
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Proton Pass for Android
Android code for the Proton Pass application
Proton Pass for Android is the official Android client for Proton’s secure password manager and digital credentials vault, designed to help users safely store, autofill, and organize passwords, secure notes, payment details, and other sensitive information directly on their Android devices. Built as a fully native Android application, it provides a polished user experience with Material Design patterns and makes encryption and decryption seamless by handling all sensitive data locally on the device, ensuring that plain text never leaves user control. The app integrates with Android’s autofill system so users can quickly fill login forms across apps and browsers with a tap while maintaining strong password hygiene and avoiding reused or weak passwords. It also supports biometric unlock (fingerprint or face) for convenience and strong session security, along with multi-device sync when users log into their Proton account, keeping vault data consistent across platforms. -
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PassVault
A secure, offline password manager for Android built with Kotlin.
PassVault is a secure, offline password manager for Android built with Kotlin and modern security practices. It's a lightweight password manager that allows users to securely store and view credentials on their device. All data is stored locally and sensitive information is encrypted using the Android Keystore system. The application does not require internet permissions, ensuring user data never leaves the device. -
15
OmniEdge
Bringing intranet on the internet with Zero-Config Mesh VPNS.
OmniEdge is an Open source p2p layer 2 , zero-config mesh VPN infrastructure, a traditional VPN, AWS VPC, Ngrok, DDNS alternative. No central server, easy to scale with less maintenance. What happens in intranet, stays in in intranet.
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