No. 1 #VeraCrypt. VeraCrypt is the spiritual successor of TrueCrypt and is free, open source encryption software. It supports a variety of encryption standards and is highly customizable, although it can be a bit complex for beginners.
No. 2 #Rohos Mini Drive. Rohos is an easy-to-use option that specifically developed for encrypting USB sticks. The free version allows encrypting up to 8GB on a USB stick, while the paid version allows unlimited encryption.
No. 3 #AxCrypt. AxCrypt is another open source option, which offers strong encryption. It is easy to use and allows encrypting individual files or entire drives. There is both a free and premium version.
No. 4 #USB Safeguard USB Safeguard is a portable encryption software specially developed for USB sticks. The software uses the AES 256-bit encryption standard, which is considered very secure. A special feature of USB Safeguard is that there are no traces on it the system used, since it runs directly from the USB stick. There is a free version that can be used for USB sticks up to 4 GB. The full version is paid, but has no restrictions on the size of the USB stick. Please note that you should not forget the password as there is no way to recover it.
No. 5 #DiskCryptor. DiskCryptor is another free and open source encryption software. It’s less well-known than some of the others on this list, but offers strong encryption and a wide range of features.
Remember that encryption is only as strong as the password you choose. Make sure you choose a strong, unique password for each encrypted USB stick to maximize security.