Public Domain
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| Category | Software Title | Description |
|---|---|---|
| Unlicensed | Bitcoin.php | a PHP library (and plugins for WP e-Commerce, Ubercart, and VirtueMart) for the Bitcoin peer-to-peer digital currency system |
| Unlicensed | Bitcoin::OTC | a Ruby client for fetching ratings data from the #bitcoin-otc trading database |
| Unlicensed | CRM114.rb | a Ruby interface to the CRM114 Controllable Regex Mutilator |
| Unlicensed | CryptLib | a cryptographic library for C that implements the MD5, SHA-1, SHA-2, and RC4 algorithms |
| Unlicensed | CSS3 Buttons | a simple CSS framework for creating good-looking GitHub style button links |
| Unlicensed | Dagny | a Django adaptation of Ruby on Rails's Resource-Oriented Architecture |
| Unlicensed | Distance | a CoffeeScript and JavaScript module for calculating Levenshtein/Sift3 distances between strings |
| Unlicensed | Dux | a simple code editor for Mac OS X |
| Unlicensed | EagleClaw | a Ruby library for building screen scrapers |
| Unlicensed | Epoch | a lightweight init daemon for Linux systems |
| Unlicensed | Fancypants | a JavaScript and Python library of data visualisation trinkets |
| Unlicensed | fastFrag | a simple JSON-based client-side JavaScript templating engine |
| Unlicensed | ficly | writes like, a Google Chrome extension for analyzing ficly.com stories using the iwl.me service |
| Unlicensed | FlexNav | a jQuery plugin for responsive menus, enabling a device-agnostic approach to complex site navigation |
| Unlicensed | GrowlAMQP | a Ruby daemon that reports AMQP messages via Growl |
| Unlicensed | Habilis | an email-to-Dropbox gateway |
| Unlicensed | HTTPkit | a Ruby toolkit for building HTTP clients and servers |
| Unlicensed | Have-a-Cookie | a Google Chrome extension for enhanced-privacy cookie management |
| Unlicensed | I2P.rb | a Ruby library for interacting with the I2P anonymity network |
| Unlicensed | JavaScript Object Graph | a Java library designed to make working with JSON simple |
| Unlicensed | jQuery JSON-RPC | a JavaScript JSON-RPC library for jQuery |
| Unlicensed | JSched | a simple Java framework for coroutines |
| Unlicensed | jStorage | a cross-browser key-value store database to store data locally in the browser |
| Unlicensed | Kakoune | an experimental text editor heavily inspired by Vim |
| Unlicensed | lein-cucumber | a simple Leiningen plugin for running Clojure-based Cucumber-JVM specifications |
| Unlicensed | libcpr | a backport of the core data structures and algorithms from the C++11 standard library to C |
| Unlicensed | loopozorg | Python infrastructure for executing shell commands on file modification |
| Unlicensed | Mailr | a Ruby on Rails-based webmail application |
| Unlicensed | Machinery | a C library for dynamic x86 and MIPS code generation |
| Unlicensed | Markdoc | a Python-based lightweight Markdown-based wiki system |
| Unlicensed | MathIsFun2 | a simple iPhone game |
| Unlicensed | miniz.c | a single-source-file, high-performance deflate/inflate compression library with a zlib-compatible API |
| Unlicensed | Nano | a nano-sized PHP framework |
| Unlicensed | Nightweb | an anonymous P2P social network for Android smartphones and PCs |
| Unlicensed | netscan | a C-based set of low-level network utilities |
| Unlicensed | Nobox | a minimalist stacking window manager written in C using XCB |
| Unlicensed | node-rdf | an ECMAScript/Node.js library for handling RDF data |
| Unlicensed | Nuush | a Bash-based command-line RSS feed reader |
| Unlicensed | OpenPGP.rb | a Ruby implementation of the OpenPGP Message Format (RFC 4880) |
| Unlicensed | pdiffer | a Python interface to the PerceptualDiff tool |
| Unlicensed | PHP.rb | a Ruby-to-PHP code generator |
| Unlicensed | PicoSpeaker | an interface to the SVOX Pico text-to-speech system |
| Unlicensed | Pondasee | a frontend web developer starter kit using SCSS and Compass |
| Unlicensed | Poolboy | a hunky Erlang worker pool factory |
| Unlicensed | Prosper | a PHP 5.3 database abstraction layer library |
| Unlicensed | Proto | a front-end web prototyping tool |
| Unlicensed | Pure CSS widgets | including a 3D bar graph, jigsaw puzzle piece, and others |
| Unlicensed | Puzzle Code | a game that teaches computer programming just by playing the game |
| Unlicensed | pyFaceGraph | a Python client library for Facebook's Open Graph Protocol |
| Unlicensed | Qataki | a command-line Identi.ca/StatusNet/Twitter client |
| Unlicensed | Rack::Throttle | Rack middleware for rate-limiting incoming HTTP requests |
| Unlicensed | RDF.rb | a Ruby library for working with Resource Description Framework (RDF) data |
| Unlicensed | RDFI.js | a JavaScript implementation of the core RDF Interfaces Specification |
| Unlicensed | RSA.rb | a Ruby implementation of the RSA encryption algorithm and the PKCS#1 cryptography standard |
| Unlicensed | tkpip | a tool for installing and managing Python packages based on Tk |
| Unlicensed | tkrequest | a tool for sending and receiving HTTP requests based on Tk |
| Unlicensed | Tor.rb | a Ruby library for interacting with the Tor anonymity network |
| Unlicensed | Tubras | a C++/Lua game engine |
| Unlicensed | Tween-o-Matic | a Mac OS X application for designing CAMediaTimingFunction animation curves |
| Unlicensed | Sidenote | a new document format optimized for reading & writing skimmable documents |
| Unlicensed | Spira | a Linked Data ORM for Ruby |
| Unlicensed | stacktrace.js | a framework-agnostic JavaScript micro-library for getting stack traces in all web browsers |
| Unlicensed | Sudoku | a fancy, feature-complete, cross-platform Sudoku app written in C++/Qt |
| Unlicensed | SXP | a data interchange format based on S-expressions |
| Unlicensed | UN | aiming to write a public domain all-purpose standard library for Java |
| Unlicensed | UpTheAsset | a semantic ontology and system for double-entry bookkeeping and accounting |
| Unlicensed | weblayer | a lightweight, componentized Python package for writing web applications |
| Unlicensed | WP Citation Manager | a WordPress plugin for managing external citations to content |
| Unlicensed | WP Disable Registration Email | a WordPress plugin for disabling post-registration e-mails to the administrator |
| Unlicensed | xo | a superoptimizer for generating optimal x86 assembly programs |
| Unlicensed | youtube-dl | a command-line program for downloading videos from YouTube |
| Unlicensed | ZF-Boilerplate | a pre-packaged, pre-configured Zend Framework-based blueprint for enterprise-grade PHP applications |
| Public Domain | CERN httpd | the original World Wide Web daemon developed by Tim Berners-Lee, was in the public domain |
| Public Domain | SQLite | the most widely-deployed SQL database in the world, is in the public domain |
| Public Domain | qmail | the second-most popular MTA on the Internet, is in the public domain |
| Public Domain | djbdns | the second-most popular DNS server software on the Internet, is in the public domain |
| Public Domain | libdjb | a project aiming to make the excellent libraries from Dan Bernstein available to a wider public by extracting them from his packages and providing a minimal Makefile for each library |
| Public Domain | BLAST | one of the most widely used bioinformatics programs, is in the public domain |
| Public Domain | dlmalloc | a widely-used memory allocator implementation for C, is in the public domain |
| Public Domain | I2P | an anonymous overlay network implementation, is largely in the public domain |
| Public Domain | HLA | a high-level assembler for the x86 architecture, is in the public domain |
| Public Domain | CMUCL | a popular implementation of the Common Lisp programming language, is mostly in the public domain |
| Public Domain | SBCL | another popular Common Lisp implementation, is likewise mostly in the public domain |
| Public Domain | CLIPS | a widely-used forward-chaining, rule-based inference engine, is in the public domain |
| Public Domain | byacc | the Berkeley Yacc parser generator, is in the public domain |
| Public Domain | Lemon | a thread-safe LALR(1) parser generator, is in the public domain |
| Public Domain | re2c | a high-performance lexer generator, is in the public domain |
| Public Domain | Docutils | the Python text-processing system, is mostly in the public domain |
| Public Domain | LibTomCrypt | a portable cryptographic toolkit for C, is in the public domain |
| Public Domain | LibTomMath | a portable number theoretic multiple-precision integer library for C, is in the public domain |
| Public Domain | C++ Big Integer Library | a library for integer arithmetic, is in the public domain |
| Public Domain | PyCrypto | the Python cryptography toolkit, is largely in the public domain |
| Public Domain | Crypto++ | a cryptographic library for C++, is mostly in the public domain |
| Public Domain | MPICH2 | a high-performance implementation of the MPI standard, is largely in the public domain |
| Public Domain | MinGW's runtime | which provides POSIX compatibility for Windows, is in the public domain |
| Public Domain | Phyz | a soft body dynamics physics engine for Windows, is in the public domain |
| Public Domain | NBDS | a C library for various lock-free algorithms (including a lock-free hash table), is in the public domain |
| Public Domain | Djehuty | a fully-verifiable operating system written in the D programming language, is in the public domain |
| Public Domain | XOS | a multitasking operating system for the x86 architecture, is in the public domain |
| Public Domain | snafu | a small operating system written in assembly language, is in the public domain |
| Public Domain | PDCLib | a minimal C standard library implementation, is in the public domain |
| Public Domain | PDPCLIB | another C standard library implementation, is in the public domain |
| Public Domain | PDOS | a DOS-compatible operating system, is in the public domain |
| Public Domain | SubC | a fast and simple compiler for a clean subset of the C programming language, is in the public domain |
| Public Domain | WPDCC | a C preprocessor and compiler implementation, is in the public domain |
| Public Domain | c11threads.h | a simple C11 threads implementation based on POSIX threads, is in the public domain |
| Public Domain | mpkg | a minimalist package manager for *nix systems, is in the public domain |
| WTFPL | libcaca | a graphics library that outputs text instead of pixels |
| WTFPL | zzuf | a multi-purpose fuzzer |
| WTFPL | Lol Engine | an experimental framework for games and 3D applications |
| WTFPL | øbin | a pastebin implementation using encryption |
| WTFPL | el-get | an elisp package manager for Emacs |
| WTFPL | AP3 | an Objective C 3D graphics and animation framework |
| WTFPL | bxSlider | a responsive jQuery content slider |
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