immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes.

📂 Directory Lister is the easiest way to expose the contents of any web-accessible folder for browsing and sharing.

A cli tool that helps signing and zip aligning single or multiple Android application packages (APKs) with either debug or provided release certificates. It supports v1, v2 and v3 Android signing scheme has an embedded debug keystore and auto verifies after signing.

An Android library that prevents your app from being pirated / cracked using Google Play Licensing (LVL), APK signature protection and more. API 14+ required.

🖖 Go Captcha is a behavioral captcha, which implements the generation of random verification text and the verification of click position information.

Key management is hard

✅ Validate links in awesome projects

Reading and Validating In App Purchase Receipt Locally.

MTGJSON repository for Magic Cards

The best React Native example for phone verification (an alternative to Twitter Digits).

PASETO (Platform-Agnostic SEcurity TOkens) for Node.js with no dependencies

Git Conventional Commits Util to generate Semantic Version and Markdown Change Log and Validate Commit Messag

A CLI tool to sign and verify artifacts

Samples for the Google SafetyNet Attestation API

OpenBSD tool to sign and verify signatures on files. Portable version.

Vue.js + Rails Starting Kit GitHub Template to develop Hybrid Mobile Application: https://vuejs-rails-starterkit.herokuapp.com

China ID number validator. - 中国身份证号验证器。

MediaTester can test any media (SD, microSD, thumb, etc) and verify it stores the expected number of bytes. The testing method is similar to h2testw but MediaTester can detect fake or defective media much faster by performing quick reads as data is written. If you buy any storage media, use MediaTester to verify it or risk losing your data.