VeraCrypt

What is VeraCrypt?
"VeraCrypt is a source-available freeware utility used for on-the-fly encryption. It can create a virtual encrypted disk within a file or encrypt a partition or the entire storage device with pre-boot authentication. VeraCrypt is a fork of the discontinued TrueCrypt project. It was initially released on 22 June 2013"

VeraCrypt on Wikipedia

VeraCrypt

Is VeraCrypt still safe?
"VeraCrypt Wins on Security. An encryption tool is only as good as the security it provides, and while VeraCrypt isn't perfect, it's definitely more robust than Bitlocker. Most users probably won't notice the difference, but it is important to point out there's a gap between them.May 22, 2016"

Is VeraCrypt free?
"VeraCrypt is a source-available freeware utility used for on-the-fly encryption (OTFE)."

Is VeraCrypt more secure than TrueCrypt?
"VeraCrypt adds security to the algorithms used for system and partitions encryption. ... VeraCrypt uses 30 times more iterations when encrypting containers and partitions than TrueCrypt. This means it takes a bit longer for the partition to start up and containers to open, but does not affect application use. May 13, 2020"

Can VeraCrypt be hacked?
"VeraCrypt offers the possibility of full disk encryption, the aim being to protect all your file system from unauthorized access. Even if the process depends on a password and is theoretically brute-forcible, this does not mean that the attack will be successful in a reasonable amount of time."

Does VeraCrypt slow computer?
"The initial encryption of your Veracrypt container can slow down your system as Veracrypt (like most other encryption software) generates secure keys and runs thousands of iterations for the encryption container to be created."