Adding trax (#1357)

* Added trax

Added trax, audio library management tool

* trax OSS link fix

README.md

@@ -758,6 +758,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Stremio](https://www.stremio.com/) - Movies, TV shows, series, live television or web channels like YouTube and Twitch.tv - you can find all this on Stremio. ![Freeware][Freeware Icon]
 * [Stringed 2](http://stringed.buenosapps.com/) - Music practice software designed to help users learn how to play their favorite songs.
 * [Synfig Studio](http://synfig.org) - Synfig Studio is free, open-source 2D animation software. [![Open-Source Software][OSS Icon]](https://github.com/synfig/synfig) ![Freeware][Freeware Icon]
+* [trax](https://github.com/nbonamy/trax) - Free, open-source music library management tool with audio conversion and tag management functionalities. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/nbonamy/trax)
 * [VLC](http://www.videolan.org/index.html) - Free, open-source, cross-platform multimedia player as well as framework that plays most multimedia files, DVDs, Audio CDs, VCDs and various streaming protocols. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/videolan/vlc)
 * [VOX Player](https://vox.rocks/mac-music-player) - High-definition audio player for Mac and iPhone. Music just sounds better! ![Freeware][Freeware Icon]
 * [XLD](http://tmkk.undo.jp/xld/index_e.html) - Tool to decode, convert and play various 'lossless' audio files. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://code.google.com/archive/p/xld/source)