TrueCrypt [TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.] TrueCrypt is a disk encryption software for... Free Open Source Mac OS X Windows Linux Drive Encryption Portable Add a feature 855 Like Discontinued Currently unmaintained. Last version, TrueCrypt 7.1a, is still available for download and development has continued via the forks https://alternativeto.net/software/veracrypt/ and https://alternativeto.net/software/ciphershed/. "The development of TrueCrypt was ended in 5/2014 after Microsoft terminated support of Windows XP. Windows 8/7/Vista and later offer integrated support for encrypted disks and virtual disk images."
GnuPG GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key... Free Open Source Mac OS X Linux PortableApps.com Xfce OpenPGP Encrypted email Add a feature 101 Like
Axcrypt AxCrypt is a simple file encryption software for Windows. It integrates seamlessly with your workflow to encrypt, decrypt, store, send and work with files. Main... Freemium Mac OS X Windows Android iPhone iPad AES encryption Multiple languages Works Offline Portable ... Real time collaboration Shell integration Add a feature 81 Like
AES Crypt AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerful, tool for... Free Open Source Mac OS X Windows Linux Android iPhone ... Android Tablet iPad AES encryption Add a feature 45 Like
Windows BitLocker No encryption of dynamic disks, but command-line-encryption! Dynamic disks must be converted to basic disks with EasyUS Partition Master or Partition Guru before... Commercial Windows Create bootable USB Drive Encryption Location Mapping Windows Explorer extension Add a feature 19 Like
EncFS 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... Free Open Source Mac OS X Linux BSD No features added Add a feature 23 Like Warning The author has agreed that EncFS in its current form is dangerous (to security) for several reasons. Wikipedia has a brief summary: https://en.wikipedia.org/wiki/EncFS#General_Security_Concerns The actual audit, which the author participated in, is here: https://defuse.ca/audits/encfs.htm
Podio Podio is an online work platform. Combining hundreds of specialized and flexible work apps with messaging, tasks, reporting, workflow and contact management, Podio lets... Freemium Web Android iPhone Applicant Tracking System (ATS) Real time collaboration Add a feature 40 Like
Easy File Locker Easy File Locker is a pretty small file at 224KB and will do exactly what it says. It will let you protect a file or folder from being seen or accessed by anyone on your... Free Windows Lightweight Add a feature 31 Like
Gnome Encfs Manager The Gnome Encfs Manager is an easy to use manager and mounter for encfs stashes. It allows you to create encrypted directories, any file that is placed in such a... Free Open Source Linux Cloud sync Sync with Dropbox Add a feature 12 Like
LibreCrypt LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE Change of name to 'LibreCrypt' in version 6.2 ... Free Open Source Windows No features added Add a feature 12 Like
GPG Suite GPG for Mail is an open source plugin for Apple Mail. Encrypt, decrypt, sign and verify mails using OpenPGP with a few simple... Free Open Source Mac OS X GnuPG No features added Add a feature 8 Like
Cryptkeeper Cryptkeeper is a Linux system tray applet that manages EncFS encrypted folders. Free Open Source Linux No features added Add a feature 15 Like
eCryptfs The enterprise cryptographic filesystem for Linux Free Open Source Linux No features added Add a feature 10 Like
Kleopatra Kleopatra is a certificate manager and GUI for GnuPG. The software stores your OpenPGP certificates and keys. Free Open Source Windows Linux GnuPG Gpg encryption Add a feature 6 Like
Encrypto Encrypto lets you encrypt files before sending them to friends or coworkers. Just drop a file into Encrypto, set a password, and then send it however you normally would... Free Mac OS X Windows Lightweight Add a feature 7 Like
