Best Open Source Cryptography Software 2025

Cryptography Software

Cryptography Compilers Clear Filters

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.

Simple, Secure Domain Registration
Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.

Sign up for free
The All-in-One Commerce Platform for Businesses - Shopify
Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.

Learn More
1

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: 15 This Week

Last Update: 2015-05-14
See Project
2

The ASN.1 Compiler

Go to github.com/vlm/asn1c for the latest version.

This ASN.1 compiler turns ASN.1 specifications into C code. The asn1c is shipped together with conformant BER/DER/XER/PER codecs. The X.509, GSM TAP3, MEGACO, RRC and LDAP encoding and decoding examples are part of the source code distribution. NOTE: THE asn1c PROJECT HAS LARGELY MOVED TO GITHUB: http://github.com/vlm/asn1c

7 Reviews

Downloads: 2 This Week

Last Update: 2013-03-19
See Project
3

Erinaceus

Erinaceus is an esoteric two dimensional programming language which uses bitmaps as sourcecode. It is turing complete and able to modify itself. It has been created with the goal to create a language that can be hidden in pictures easily.

Downloads: 0 This Week

Last Update: 2013-03-25
See Project
4

SNA OS

OS based on Agent based Security with a new type of split kernel and agents platform.

Downloads: 0 This Week

Last Update: 2018-01-22
See Project
Gen AI apps are built with MongoDB Atlas
The database for AI-powered applications.

MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.

Start Free