Some cryptocurrencies that you can invest in with $5$ or less and have excellent growth potential:

1. Cardano (ADA): Cardano is one of the best blockchains in the current market, designed to develop virtual reality applications (DApps) and improve security and speed.

2. Polygon (MATIC): Polygon offers solutions to improve network speed and reduce transaction costs, making it a good choice for investors.

3. Ripple (XRP): Ripple is used to facilitate global payments and provide financial solutions to banks and other institutions.

4. Fantom (FTM): Fantom is one of the fast and advanced networks, designed to support virtual reality applications and easy trading.

5. Enjin Coin (ENJ): Enjin Coin is used in the world of electronic games, and it provides solutions for dealing with digital assets and transfers.

6. Stacks (STX): Stacks aims to improve the Bitcoin network and provide innovative applications on the main blockchain.

7. ICON (ICX): ICON aims to provide a multi-use network that supports interactions between different systems.

8. Audius (AUDIO): Audius is used in the field of digital music, and it provides a place for artists to publish and sell their music.

9. Decentraland (MANA): Decentraland is used in the world of virtual reality, and it provides an environment for users to create and experience games and digital products.