Ultimate Guitar - A treasure trove of free, crowd-sourced chords for almost any pop song. It's perfect for quick access to chords for your favorite hits, and the community regularly updates it with accurate renditions.

Practice Sight Reading - Focus on rhythm! This free tool generates random rhythms to help you sharpen your timing and accuracy. A must-have for drummers and rhythm-focused players.

Sight Reading Factory - A premium tool at a reasonable price, offering dynamic sight-reading exercises tailored to your instrument and level. It's ideal for serious musicians looking to improve their sheet music reading.

Muse Score - This free platform hosts a wide variety of crowd-sourced sheet music, covering everything from pop to classical. It's a fantastic resource for finding arrangements and compositions.

Szynalski - Explore this free tone generator for intonation practice or just for fun. It’s great for tuning instruments, ear training, or experimenting with sound frequencies.

Noteflight - Write your own songs with this free notation software. It’s user-friendly and allows you to create and share professional-looking sheet music.

Teoria - Strengthen your ears with free ear training exercises. From interval recognition to chord identification, this tool is perfect for developing a well-trained musical ear.