Add qrtool

Add Rust Flashcards

README.md

@@ -122,6 +122,7 @@ See also [Rust — Production](https://www.rust-lang.org/production) organizatio
 * [asm-cli-rust](https://github.com/cch123/asm-cli-rust) — An interactive assembly shell.
 * [cloudflare/boringtun](https://github.com/cloudflare/boringtun) — A Userspace WireGuard VPN Implementation [![build badge](https://img.shields.io/badge/crates.io-v0.2.0-orange.svg)](https://crates.io/crates/boringtun)
 * [datafusion](https://github.com/apache/arrow-datafusion) — Apache Arrow DataFusion and Ballista query engines
+* [defguard](https://github.com/defguard/defguard) — Enterprise Open Source SSO & WireGuard VPN with real 2FA/MFA
 * [denoland/deno](https://github.com/denoland/deno) — A secure JavaScript/TypeScript runtime built with V8 and Tokio [![Build Status](https://github.com/denoland/deno/workflows/ci/badge.svg?branch=master&event=push)](https://github.com/denoland/deno/actions)
 * [doprz/dipc](https://github.com/doprz/dipc) — Convert your favorite images and wallpapers with your favorite color palettes/themes [![crates.io](https://img.shields.io/crates/v/dipc)](https://crates.io/crates/dipc)
 * [Factotum](https://github.com/snowplow/factotum) — A system to programmatically run data pipelines
@@ -274,7 +275,7 @@ See also [crates matching keyword 'emulator'](https://crates.io/keywords/emulato
 * Intel 8080 CPU
   * [mohanson/i8080](https://github.com/mohanson/i8080) — Intel 8080 CPU emulator
 * iOS
-  * [touchHLE](https://github.com/hikari-no-yume/touchHLE) — High-level emulator for iPhone OS apps
+  * [touchHLE](https://github.com/touchHLE/touchHLE) — High-level emulator for iPhone OS apps
 * iPod
   * [clicky](https://github.com/daniel5151/clicky) — A clickwheel iPod emulator (WIP)
 * NES
@@ -527,6 +528,8 @@ See also [A comparison of operating systems written in Rust](https://github.com/
 * [rust-parallel](https://github.com/aaronriekenberg/rust-parallel) - Fast command line app using Tokio to execute commands in parallel.  Similar interface to GNU Parallel or xargs. [![Crate](https://img.shields.io/crates/v/rust-parallel.svg?logo=rust)](https://crates.io/crates/rust-parallel) [![Build Status](https://github.com/aaronriekenberg/rust-parallel/actions/workflows/CI.yml/badge.svg)](https://github.com/aaronriekenberg/rust-parallel/actions/workflows/CI.yml)
 * [rustdesk/rustdesk](https://github.com/rustdesk/rustdesk) — A remote desktop software, great alternative to TeamViewer and AnyDesk.
 * [rustic-rs/rustic](https://github.com/rustic-rs/rustic) [[rustic-rs](https://crates.io/crates/rustic-rs)] — Fast, encrypted, deduplicated backups powered by Rust. [![Version](https://img.shields.io/crates/v/rustic-rs.svg)](https://crates.io/crates/rustic-rs)
+* [sorairolake/qrtool](https://github.com/sorairolake/qrtool) [[qrtool](https://crates.io/crates/qrtool)] — A utility for encoding and decoding QR code images. [![CI](https://github.com/sorairolake/qrtool/workflows/CI/badge.svg?branch=develop)](https://github.com/sorairolake/qrtool/actions?query=workflow%3ACI)
+* [str4d/rage](https://github.com/str4d/rage) [[rage](https://crates.io/crates/rage)] — Rust implementation of [age](https://github.com/FiloSottile/age).
 * [suckit](https://github.com/Skallwar/suckit) - Recursively visit and download a website's content to your disk. [![Crate](https://img.shields.io/crates/v/suckit.svg?logo=rust)](https://crates.io/crates/suckit) [![Build Status](https://github.com/Skallwar/suckit/workflows/Build%20and%20test/badge.svg)](https://github.com/Skallwar/suckit/blob/master/.github/workflows/build_and_test.yml)
 * [tversteeg/emplace](https://github.com/tversteeg/emplace) — Synchronize installed packages on multiple machines
 * [vamolessa/verco](https://github.com/vamolessa/verco) [[verco](https://crates.io/crates/verco)] — A simple Git/Hg tui client focused on keyboard shortcuts
@@ -1098,6 +1101,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 * [rustls/rustls](https://github.com/rustls/rustls) — Implementation of TLS
 * [sfackler/rust-native-tls](https://github.com/sfackler/rust-native-tls) — Bindings for native TLS libraries
 * [sfackler/rust-openssl](https://github.com/sfackler/rust-openssl) — [OpenSSL](https://www.openssl.org/) bindings
+* [sorairolake/abcrypt](https://github.com/sorairolake/abcrypt) [[abcrypt](https://crates.io/crates/abcrypt)] — A simple, modern and secure file encryption library. [![CI](https://github.com/sorairolake/abcrypt/workflows/CI/badge.svg?branch=develop)](https://github.com/sorairolake/abcrypt/actions?query=workflow%3ACI)
 * [sorairolake/scryptenc-rs](https://github.com/sorairolake/scryptenc-rs) [[scryptenc](https://crates.io/crates/scryptenc)] — An implementation of the scrypt encrypted data format. [![CI](https://github.com/sorairolake/scryptenc-rs/workflows/CI/badge.svg?branch=develop)](https://github.com/sorairolake/scryptenc-rs/actions?query=workflow%3ACI)
 * [w3f/schnorrkel](https://github.com/w3f/schnorrkel) - Schnorr VRFs and signatures on the Ristretto group
 
@@ -1855,6 +1859,7 @@ A registry allows you to publish your Rust libraries as crate packages, to share
   * [Refactoring to Rust](https://www.manning.com/books/refactoring-to-rust) - A book that introduces to Rust language.
   * [Rust by Example](https://doc.rust-lang.org/rust-by-example/)
   * [Rust Cookbook](https://rust-lang-nursery.github.io/rust-cookbook/) — A collection of simple examples that demonstrate good practices to accomplish common programming tasks, using the crates of the Rust ecosystem.
+  * [Rust Flashcards](https://github.com/ad-si/Rust-Flashcards) - Over 550 flashcards to learn Rust from first principles.
   * [Rust for professionals](https://overexact.com/rust-for-professionals/) — A quick introduction to Rust for experienced software developers.
   * [Rust Gym](https://github.com/warycat/rustgym) - A big collection of coding interview problems solved in Rust.
   * [Rust in Action](https://www.manning.com/books/rust-in-action) — A hands-on guide to systems programming with Rust by [Tim McNamara](https://github.com/timClicks) (paid)