Open Source Windows Cryptography Software

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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
    Explore Apify Store
  • 1
    RHash
    RHash (Recursive Hasher) is a console utility for computing and verifying hash sums of files. It supports CRC32, CRC32C, MD4, MD5, SHA1, SHA256, SHA512, SHA3, AICH, ED2K, DC++ TTH, BTIH, Tiger, GOST R 34.11-2012, RIPEMD-160, HAS-160, EDON-R, and Whirlpool.
    Leader badge
    Downloads: 2,490 This Week
    Last Update:
    See Project
  • 2
    mcrypt, and the accompanying libmcrypt, are intended to be replacements for the old Unix crypt, except that they are under the GPL and support an ever-wider range of algorithms and modes.
    Leader badge
    Downloads: 840 This Week
    Last Update:
    See Project
  • 3
    ccrypt is a command-line tool for encrypting and decrypting files and streams. It provides strong encryption based on the Rijndael cipher, a version of which is also used in the Advanced Encryption Standard.
    Leader badge
    Downloads: 446 This Week
    Last Update:
    See Project
  • 4
    Fsum Frontend is a files integrity checker. It can calculate 96 hash and checksum algorithms(CRC32, MD5, SHA1, SHA2, ADLER, DHA256, FORK256, ...). You can verify your files using a .sfv/.md5/.sha1/.sha2 file or create your own checksum file.
    Leader badge
    Downloads: 72 This Week
    Last Update:
    See Project
  • Lightspeed golf course management software Icon
    Lightspeed golf course management software

    Lightspeed Golf is all-in-one golf course management software to help courses simplify operations, drive revenue and deliver amazing golf experiences.

    From tee sheet management, point of sale and payment processing to marketing, automation, reporting and more—Lightspeed is built for the pro shop, restaurant, back office, beverage cart and beyond.
    Learn More
  • 5
    The database access library for C++ programmers that provides the illusion of embedding SQL in regular C++ code, staying entirely within the C++ standard.
    Leader badge
    Downloads: 99 This Week
    Last Update:
    See Project
  • 6
    FileVerifier++
    FileVerifier++ is a Windows utility for calculating hashes using a number of algorithms including CRC32, MD5, SHA-1, SHA-256/224/384/512, WHIRLPOOL, and RIPEMD-128/160/256/320. Supported hash file formats include MD5SUM .MD5, SFV, BSD CKSUM, and others.
    Leader badge
    Downloads: 53 This Week
    Last Update:
    See Project
  • 7
    Keytool is an Eclipse plugin that maintains keystores and certificates. It allows you to create certificates and put them in a keystore. You can from Eclipse, open and inspect certificates that are stored as .cer, or in a given keystore.
    Leader badge
    Downloads: 30 This Week
    Last Update:
    See Project
  • 8
    PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/jasypt/jasypt Jasypt (Java Simplified Encryption) is a java library which allows the developer to add basic encryption capabilities to his/her projects with minimum effort, and without the need of having deep knowledge on how cryptography works. PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/jasypt/jasypt
    Downloads: 16 This Week
    Last Update:
    See Project
  • 9
    cargo-crev

    cargo-crev

    A cryptographically verifiable code review system for the cargo

    A cryptographically verifiable code review system for the cargo (Rust) package manager. cargo-crev is an implementation of Crev as a command-line tool integrated with cargo. This tool helps Rust users evaluate the quality and trustworthiness of their package dependencies. Crev is a language and ecosystem agnostic, distributed code review system. Use reviews produced by other users. Increase the trustworthiness of your own code. Build a web of trust of other reputable users to help verify the code you use. Static binaries are available from the releases page. Crev is a system for verifying the security and reliability of dependencies based on collaborative code reviews. Crev users review the source code of packages/libraries/crates and share their findings with others. Crev then uses Web of Trust to select trusted reviews and judge the reputation of projects' dependencies.
    Downloads: 2 This Week
    Last Update:
    See Project
  • Rent Manager Software Icon
    Rent Manager Software

    Landlords, multi-family homes, manufactured home communities, single family homes, associations, commercial properties and mixed portfolios.

    Rent Manager is award-winning property management software built for residential, commercial, and short-term-stay portfolios of any size. The program’s fully customizable features include a double-entry accounting system, maintenance management/scheduling, marketing integration, mobile applications, more than 450 insightful reports, and an API that integrates with the best PropTech providers on the market.
    Learn More
  • 10
    The JWA library aims to provide a conversion from C to Delphi of as many headers as possible from the PSDK etc. The JWSCL (security library) is an advanced object-oriented framework for programming with the Windows security features (ACL, Tokens, etc.)
    Downloads: 14 This Week
    Last Update:
    See Project
  • 11
    WinMD5sum

    WinMD5sum

    A simple GUI MD5 sum Tool run on Windows

    WinMD5sum is a MD5sum tool for those who need a small and simple tool to just get the sum.It has a GUI look and keeps small(only 40KB).Runs only on Windows platform.The highlight is it can handle very large file(over TB) and the speed is fast enough.Enjoy it!
    Leader badge
    Downloads: 35 This Week
    Last Update:
    See Project
  • 12
    Cross platform GUI managing bookmarks and shortcuts in a portable way. Support import/export, search, encryption, hierarchical tags, USB key installation, various environments integration, OS-dependent shortcuts, plugins extensibility.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 13
    Web KeePass Password Safe
    Web AND Mobile (Apple iPhone) based, multi user, java port of the KeePass project. A free, easy to use password manager which helps you to manage your passwords in a secure way. Focused on deep encryption and ease of use.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14

    ProxyCrypt

    Encrypted volumes through command line

    ProxyCrypt is a command line tool that creates encrypted volumes within a file or a hard drive. Encryption and decryption are made on the fly, allowing you to use encrypted volumes like normal ones. Designed for paranoids and advanced users, it is also fast, very lightweight, open source and easy to recompile. See the features below. It works as a "proxy" for the AIM driver or the ImDisk driver. AIM driver is included in the full package. See the documentation for more informations and an example of use: https://sourceforge.net/p/proxycrypt/doc/ Requirements: - Windows 7 or later - Arsenal Image Mounter or ImDisk Virtual Disk Driver - Administrative privileges - 64-bit CPU with SSE3 instructions - About 1 GB of RAM temporarily required for password checking with default settings Hashes of all versions: https://sourceforge.net/p/proxycrypt/doc/Hash
    Downloads: 9 This Week
    Last Update:
    See Project
  • 15
    (Production / Stable) Command line tool to compute the 64 bit CRC of one or more files.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 16
    silvertunnel - Java lib+browser for TOR
    silvertunnel.org is a project that provides an end-user browser, a Java library and additional Java security tools to easily access anonymity networks such as the Tor (torproject.org) network. Secure and easy to use. Tor4Java and Tor Browser. Attention: see project status on page https://sourceforge.net/p/silvertunnel/discussion/962278/thread/83dc2d02/#
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    pidCrypt
    pidCrypt is no longer maintained! pidCrypt is a crypto library offering modular cryptographic functions in JavaScript. Supports: AES (CBC & CTR Mode), RSA, MD5, SHA-1, SHA-256, SHA-384, SHA-512, ASN.1, Base64, UTF-8. The AES-CBC mode is compatible to OpenSSL.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    PyKCS11: a complete PKCS#11 wrapper for Python, created using the SWIG compiler. API documentation: http://pkcs11wrap.sourceforge.net/api/
    Downloads: 5 This Week
    Last Update:
    See Project
  • 19

    TurboPower LockBox

    TurboPower LockBox 2 & 3 Cryptographic Library for Delphi

    LockBox 3 is a Delphi library for cryptography. Currently supported Delphi XE6. It provides support for AES, DES, 3DES, Blowfish, Twofish, SHA, MD5, a variety of chaining modes, RSA digital signature and verific...
    Downloads: 5 This Week
    Last Update:
    See Project
  • 20
    Multiprecision unsigned number template library (MUNTL). The program is intended for the organization of calculations with the big precision for unsigned numbers. Program is very fast because do not use any heap call (new, malloc etc.)
    Downloads: 4 This Week
    Last Update:
    See Project
  • 21

    cppcrypto

    C++ cryptographic library (modern hash functions, ciphers, KDFs)

    cppcrypto provides optimized implementations of cryptographic primitives. Hash functions: BLAKE, BLAKE2, Echo, Esch, Groestl, JH, Kupyna, MD5, SHA-1, SHA-2, SHA-3, SHAKE, Skein, SM3, Streebog, Whirlpool. Block ciphers: Anubis, Aria, Camellia, CAST-256, Kalyna, Kuznyechik, Mars, Serpent, Simon, SM4, Speck, Threefish, Twofish, and Rijndael (AES) with all block/key sizes. Stream ciphers: HC-128, HC-256, Salsa20, XSalsa20, ChaCha, XChaCha. Encryption modes: CBC, CTR. AEAD modes: Encrypt-then-MAC (EtM), GCM, OCB, ChaCha-Poly1305, Schwaemm. Streaming AEAD. MAC functions: HMAC, Poly1305. Key derivation functions: PBKDF2, scrypt, Argon2, HKDF. Includes sample command-line tools: - 'digest' - for calculating and verifying file checksum(s) using any of the supported hash algorithms (similar to md5sum or RHash). - 'cryptor' - for file encryption using Serpent-256 algorithm in AEAD mode. Check out the cppcrypto web site linked below for programming documentation.
    Leader badge
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    Ampare PHP Encoder

    Ampare PHP Encoder

    Protect and Obfuscate Encode PHP File From reading ( Opensource )

    Protect and Obfuscate Encode PHP File From reading ( Opensource ) Ampare PHP Encoder is a simple and easy to use PHP File Encoder which prevent newbies from reading it automatically. However , Advance and Intermediate able to find way to decode it. FAQ My script doesn't run or terminate Reference : http://php.net/manual/en/function.eval.php When Eval() function run an error code it will automatically terminate so the script doesn't run. Use it only 100% clean code. Please use PHP-Protect Script for better security too . by php protect it first and encode with our software so it second layer protection http://www.phpprotect.info/ I take my free time doing support. So please don't angry or rush me. Donate us : https://www.juthawong.com/donate
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    Yoda's Protector
    Yoda's Protector is a free, open source, Windows 32-bit software protector.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24

    libnsa

    RSA 4096 C++ library

    Libnsa stands literally for "Library: Non Semper erit Aestas". It is a small C++ library which implements RSA encryption. The current version only creates the 4096 bit public and private keys.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    Enigma CS (Coding Software)

    Enigma CS (Coding Software)

    Create and use your own personalized, very secure, encoding script!

    Create and use your own personalized, yet very secure, encoding script!
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next