diff --git a/README.md b/README.md
index 6c765d6..e0056bf 100644
--- a/README.md
+++ b/README.md
@@ -474,6 +474,7 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
* [SiegeLord/RustAllegro](https://github.com/SiegeLord/RustAllegro) — [Allegro 5](http://liballeg.org/) bindings [
](https://travis-ci.org/SiegeLord/RustAllegro)
* Amethyst
* [ebkalderon/amethyst](https://github.com/ebkalderon/amethyst) — data-oriented game engine [
](https://travis-ci.org/ebkalderon/amethyst)
+* [vityafx/challonge-rs](https://github.com/vityafx/challonge-rs) [[challonge](https://crates.io/crates/challonge)] — Client library for the Challonge REST API. Helps to organize tournaments. [
](https://travis-ci.org/vityafx/challonge-rs)
* Corange
* [lucidscape/corange-rs](https://github.com/lucidscape/corange-rs) — [Corange](https://github.com/orangeduck/Corange) bindings
* Piston
@@ -656,6 +657,7 @@ See also [Rust web framework comparison](https://github.com/flosse/rust-web-fram
* [tiny-http](https://github.com/frewsxcv/tiny-http) — Low level HTTP server library [
](https://travis-ci.org/frewsxcv/tiny-http)
* [WebSocket](https://datatracker.ietf.org/doc/rfc6455/)
* [cyderize/rust-websocket](https://github.com/cyderize/rust-websocket) — a framework for dealing with WebSocket connections (both clients and servers) [
](https://travis-ci.org/cyderize/rust-websocket)
+ * [vityafx/urlshortener-rs](https://github.com/vityafx/urlshortener-rs) [[urlshortener](https://crates.io/crates/urlshortener)] — A very simple urlshortener library for Rust. [
](https://travis-ci.org/vityafx/urlshortener-rs)
* [housleyjk/ws-rs](https://github.com/housleyjk/ws-rs) — lightweight, event-driven WebSockets for Rust [
](https://travis-ci.org/housleyjk/ws-rs)