Boxcryptor has been discontinued. The top-rated alternative is VeraCrypt, which is free and open source. People also recommend Cryptomator, TrueCrypt, Tresorit and Picocrypt. There's no shortage of File Encryption Software like Boxcryptor, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
The AVGVSTO project by Roy Merlo and RPX is an open-source advanced encryption tool developed in Python. It is designed to protect sensitive data by physically binding it to an authorized USB drive, making decryption possible only when the device is connected.
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EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. You can find links to source and binary releases below.
gocryptfs uses file-based encryption that is implemented as a mountable FUSE filesystem. Each file in gocryptfs is stored one corresponding encrypted file on the hard disk. The screenshot below shows a mounted gocryptfs filesystem (left) and the encrypted files (right).
Password-vault and text- and file-encryption are integrated in this one app with strong encryption algorithms.
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LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE
Windows file encryption with real PGP sharing. Send encrypted files over any channel — no password travels with them. Free version permanent, no card.
Encrypt files and folders with 256-bit AES, shred data irreversibly, compress files for more storage, securely manage passwords, protect removable drives, and safely transmit encrypted data, with support for Windows PCs and simple rapid encryption.
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FinalCrypt uses the most unbreakable encryption: "One Time Pad" Encryption and has a well designed graphical user interface and an equally advanced command line interface for large automations.
Lockystar is a file encryption application. It allows you to encrypt individual files wherever they are located—on your cloud drive or on your hard drive.
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