OpaqueFiles is described as 'A free and open-source file encryption software for Linux, Windows and Mac that encrypts/decrypts files so they can be stored securely, utilizing compression, Reed–Solomon Error Correction, encryption and keys derived from the user's password with Argon2id' and is a file encryption software in the security & privacy category. There are more than 50 alternatives to OpaqueFiles for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best OpaqueFiles alternative is VeraCrypt, which is both free and Open Source. Other great apps like OpaqueFiles are Cryptomator, Rclone, TrueCrypt and Tresorit.
Ensure your data's security by encrypting entire partitions, storage devices, or system drives with VeraCrypt. Benefit from transparent and automatic real-time encryption, hardware acceleration on modern processors, and robust security algorithms that are resistant to brute-force attacks.
France
EU
Cryptomator provides transparent, client-side encryption for your cloud. Protect your documents from unauthorized access. Cryptomator is free and open source software, so you can rest assured there are no backdoors.
GermanyEU
Versatile command-line utility for syncing, copying, and verifying files across local disks and multiple cloud storage providers. Features include hash-based integrity checks, timestamp preservation, compression, encryption, and mounting storage as drives for backup and transfer tasks.
United Kingdom
[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
United States
End-to-end encrypted file synchronization and sharing on desktop and mobile, featuring admin controls, auditing, link-based sharing, two-factor authentication, offline access, granular permission management, and protection for sensitive workplace documents.
Switzerland
Picocrypt is a very small (hence Pico), very simple, yet very secure encryption tool that you can use to protect your files. It's designed to be the go-to tool for encryption, with a focus on security, simplicity, and reliability.
Offers robust file encryption with AES-256 for premium and AES-128 for free users, integrated password manager, intuitive interface, support for cloud storage, multilingual options, offline security, group management tools, and secure file deletion features.
SwedenEU
DroidFS is an alternative way to use encrypted overlay filesystems on Android that uses its own internal file explorer instead of mounting virtual volumes. It currently works with gocryptfs and CryFS.
FranceEU
Picocrypt NG (new generation) is a very small (hence Pico), very simple, yet very secure encryption tool that you can use to protect your files. It's designed to be the go-to tool for file encryption, with a focus on security, simplicity, and reliability.
zuluCrypt is a free hard drives encryption, supports PLAIN dm-crypt, LUKS, TrueCrypt, VeraCrypt, and Microsoft’s BitLocker volumes. Currently Linux only.
Round Sync helps you to manage your files, everywhere you go, on your local device or on most cloud providers.
GermanyEU
Open-source, privacy-focused cloud storage using zero-knowledge encryption and blockchain technology, provides secure file transfer, end-to-end encryption, free 10 GB plan, desktop and mobile support, full user control, and no data tracking or ads.
SpainEU
