Browse free open source Cryptography software and projects below. Use the toggles on the left to filter open source Cryptography software by OS, license, language, programming language, and project status.

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  • 1
    WinSCP

    WinSCP

    WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.

    WinSCP is a popular free file manager for Windows supporting SFTP, FTP, FTPS, SCP, S3, WebDAV and local-to-local file transfers. A powerful tool to enhance your productivity with a user-friendly interface and automation options like .NET assembly or batch file scripting. Use WinSCP also for file editing, directory synchronization and site management. WinSCP is open-source and well documented. It is available in English and many other languages.
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    Downloads: 456,758 This Week
    Last Update:
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  • 2
    Password Safe

    Password Safe

    Popular easy-to-use and secure password manager

    Password Safe is a password database utility. Users can keep their passwords securely encrypted on their computers. A single Safe Combination unlocks them all.
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    Downloads: 915 This Week
    Last Update:
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  • 3
    Password Tech

    Password Tech

    Professional password generator and manager with full Unicode support

    Password Tech is a powerful password generator capable of generating large amounts of cryptographically-secure passwords, pronounceable passwords, pattern-based passwords, passphrases composed of words, and scripted passwords. Passwords can be stored in encrypted databases along with user names, URLs, notes, etc. Password Tech provides lots of options to customize passwords to the users' various needs, and individual scripting with Lua gives full control over the process of password generation. Text encryption is also supported.
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    Downloads: 580 This Week
    Last Update:
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  • 4
    FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent encryption, Linux support and much more...
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    Downloads: 453 This Week
    Last Update:
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  • Simplify IT and security with a single endpoint management platform Icon
    Simplify IT and security with a single endpoint management platform

    Automate the hardest parts of IT

    NinjaOne automates the hardest parts of IT, delivering visibility, security, and control over all endpoints for more than 20,000 customers. The NinjaOne automated endpoint management platform is proven to increase productivity, reduce security risk, and lower costs for IT teams and managed service providers. The company seamlessly integrates with a wide range of IT and security technologies. NinjaOne is obsessed with customer success and provides free and unlimited onboarding, training, and support.
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  • 5
    PortableSigner
    PortableSigner is a tool for digital signing (with X.509 certificates) of PDF files
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    Downloads: 43 This Week
    Last Update:
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  • 6
    FreeOTFE

    FreeOTFE

    A free "on-the-fly" transparent disk encryption program for PC & PDAs.

    An upstream source site housing the original files for this mirror is no longer available. With this software, you can create one or more "virtual disks" on your PC/PDA. These disks operate exactly like a normal disk, with the exception that anything written to one of them is transparently, and securely, encrypted before being stored on your computer's hard drive.
    Downloads: 5 This Week
    Last Update:
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  • 7
    OpenCA

    OpenCA

    Open Source PKI solutions

    The OpenCA PKI Development Project is a collaborative effort to develop a robust, full-featured and Open Source out-of-the-box Certification Authority implementing the most used protocols with full-strength cryptography world-wide.
    Downloads: 16 This Week
    Last Update:
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  • 8
    RetroShare

    RetroShare

    [WARNING] Project has moved to http://github.com/Retroshare/Retroshare

    [IMPORTANT] Retroshare is now distributed on Github. Please go to http://retroshare.net to find the latest releases and sources. RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.
    Downloads: 12 This Week
    Last Update:
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  • 9
    QPass password manager
    QPass is easy to use, open source password manager application with built-in password generator. You can store in it's database such data as passwords and logins which will be encrypted using AES-256 with PBKDF2(number of iterations set by user). Each entry can include additional information about entry such as name, url adress and description.
    Downloads: 2 This Week
    Last Update:
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    Picsart Enterprise Background Removal API for Stunning eCommerce Visuals

    Instantly remove the background from your images in just one click.

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  • 10
    OpenSignature is an open source project for the digital signature of documents. It works with all cards supported by OpenSC and focuses on adding support for cards from accredited Italian CAs. The goal of the project is to provide a first single product
    Downloads: 4 This Week
    Last Update:
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  • 11
    LazLock

    LazLock

    Free, cross platform, portable password manager.

    The latest version of LazLock is at https://github.com/cyberfilth/LazLock/releases A free, lightweight, portable password manager for Windows & GNU/Linux that encrypts your data with 128 bit AES encryption. LazLock also includes a password generator which allows you to create more secure passwords. A plain text version of your data is never written to disk as all decryption is done in memory. LazLock is truly portable, no installation is required so it can be run from a USB drive. Unlike similar programs, there are no dependencies on the .NET Framework (Windows) or Mono (Linux) ------------------------------------- Easily Copy and Paste your login details into any website without having to manually type them out. Your passwords aren't shown on screen so you can use LazLock in front of others without compromising your security. Generate more secure passwords for the websites that you visit, you only need to remember one password to unlock them all.
    Downloads: 3 This Week
    Last Update:
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  • 12
    Hash Codes
    Program can hash data from keyboard, file or CD/DVD by Adler32, CRC32, CRC64, GOST, HAVAL, MD2, MD4, MD5, MD6, SHA-0, SHA-1, SHA-1-IME, SHA-224, SHA-256, SHA-384, SHA-512, RIPEMD-128, RIPEMD-160, RIPEMD-256, RIPEMD-320, TIGER or Whirlpool algorithm.
    Downloads: 2 This Week
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  • 13
    Browser for Tor with Onion Router

    Browser for Tor with Onion Router

    Browser for Tor based on Dooble & Vidalia as integrated Addon

    Tor now plugs into the Browser. Dooble Web Browser, a secure open source userfriendly tool to explore the web secure over Tor. Steer Tor in the Browser (in Settings/Proxy/Tor) with an Add-On based on Vidalia. Just start the Add-On "Tor" in the Browser Add-On-Menu and in Settings/Proxy.
    Downloads: 3 This Week
    Last Update:
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  • 14
    Clipperz Password Manager
    Clipperz is a web based password manager. Local encryption within the browser guarantees that no one except you can read your data. A true zero-knowledge (or host-proof) web app!
    Downloads: 1 This Week
    Last Update:
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  • 15
    AES256 Password Manager

    AES256 Password Manager

    Portable, secure and open source AES256 password manager

    AES256 Password Manager is a secure, portable and open source password store that uses AES256 encryption. AES256 is a fork of a project originally started by Leprechaun https://github.com/Leproide/CryptStore It's written in .NET but it can be easly be run under OSX or Linux OS using Wine. License: GNU GPL V3
    Downloads: 0 This Week
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  • 16
    AntolliCrippi Java

    AntolliCrippi Java

    Simple and easy to use Java application to encrypt your files

    AntolliCrippi Java is a simple, easy to use and multi-language tool to encrypt your files. AntolliCrippi Java is a Password Based encryptor tool written in Java. Thanks to a very simple user interface allows you to encrypt/decrypt your files in a few second. It also provide folder encryption, by converting them into a zip file before. It's available in three languages Italian, English and Spanish. But thanks to his architecture it's easy to add many other languages. All the language specification are written into some XML files. Has been written according to the Model-View-Controller design pattern so it will be easy to add more functionality.
    Downloads: 0 This Week
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  • 17
    *Unofficial* patch for DALnet's ircd, currently for version 1.4.36. Provides complete IPv6 and IPv4-in-IPv6 support and SSL support.
    Downloads: 0 This Week
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  • 18
    An original bruteforce-based encryption/decryption system. BBE was originally conceived to chat with encrypted text on IRC. mIRC and X-Chat support BBE via script addon. BBE can also encrypt MIME encoded files. Blowfish encryption is currently supported.
    Downloads: 0 This Week
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  • 19

    Cifrario di Cesare-Brute force

    Brute force su testi crittografati con il cifrario di Cesare.

    Questo software permette di decrittografare testi crittografati con il cifrario di Cesare tentando tutte le combinazioni possibili.
    Downloads: 0 This Week
    Last Update:
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  • 20
    Contego Software
    Tool "Contego" for encryption to plain text (UTF-8) and verification, testing and generation of MD5 and SHA-1 sums for files. Version 2.0 multilnguaje and fully operational. Encriptacion para texto plano (UTF-8) y utilidades para sumas MD5 y SHA-1.
    Downloads: 0 This Week
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  • 21
    Criptex
    Criptex is a free software for crypting texts
    Downloads: 0 This Week
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  • 22
    Crypt-EG is an easy visual cryptosystem program that implements ElGamal method using elliptic curves.
    Downloads: 0 This Week
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  • 23
    General-purpose cryptographic application. Includes easy access (GUI frontend) to: public key algorithms, symmetric ciphers, hash algorithms, X.509 certificates, PKCS, smart cards (PKCS11) access and other utilities. Based on OpenSSL.
    Downloads: 0 This Week
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  • 24
    Portable and simple program for text and files encryption (Symmetric, Asymmetric and Steganography)
    Downloads: 0 This Week
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  • 25
    Enigweb is a firefox extension similar to the Thunderbird Enigmail extension. It will encrypt or sign textareas, and decrypt/verify OpenPGP data. Additionally extensions will be provided for major webmail providers.
    Downloads: 0 This Week
    Last Update:
    See Project
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