[[Runs-on::Android]]

Browsersync: Browsersync is a tool that lets you synchronize browsers in real-time across devices. It also automatically reloads when you edit files.

C++ Annotations: The C++ Annotations offer an extensive tutorial about the C++ programming language. It can be used as a textbook for C/C++ programming courses.

CalDavZAP: CalDavZAP is 100% JavaScript+jQuery CalDAV web client/application. Main features: asynchronous background synchronization, support for RFC compliant vCalendars (version 2.0), support for delegated calendars, support for subscribed calendars, full IANA timezone support, time-range filtering (server support required), localization support (15 languages) and clean user interface.

CardDavMATE: CardDavMATE is 100% JavaScript+jQuery CardDAV web client/application. Main features: asynchronous background synchronization, support for RFC compliant vCards (version 3.0), support for delegated addressbooks, customizable contact displaying and sorting, localization support (15 languages) and clean user interface.

Castle Game Engine: Castle Game Engine is a cross-platform 3D and 2D game engine for Object Pascal (FPC and Lazarus). - It supports many formats for game assets, including X3D, VRML, Collada, Spine JSON, MD3 and others. - Many graphic effects are possible, including bump mapping, shadows, shaders, mirrors, screen effects. - Animation, collision detection, 3D sound and more features are available. - An extensible system of 3D objects can be used, with out-of-the-box levels, items, intelligent creatures and more. - The engine is portable -- for desktop, mobile, web plugin. The engine is also used to develop view3dscene - a full-featured X3D / VRML browser and a viewer for many other 3D and 2D game formats.

Castopod: Decentralized podcast hosting software to run on your own server.

CataclysmDDA: Cataclysm: Dark Days Ahead is a turn-based survival game set in a post-apocalyptic world. Struggle to survive in a harsh, persistent, procedurally generated world. Scavenge the remnants of a dead civilization for food, equipment, or, if you are lucky, a vehicle with a full tank of gas to get you the hell out of Dodge. Fight to defeat or escape from a wide variety of powerful monstrosities, from zombies to giant insects to killer robots and things far stranger and deadlier, and against the others like yourself, that want what you have…

The C Framework for OpenCL, cf4ocl, is a cross-platform pure C object-oriented framework for developing and benchmarking OpenCL projects. It aims to:

Promote the rapid development of OpenCL host programs in C (with support for C++) and avoid the tedious and error-prone boilerplate code usually required.
Assist in the benchmarking of OpenCL events, such as kernel execution and data transfers. Profiling comes for free with cf4ocl.
Simplify the analysis of the OpenCL environment and of kernel requirements.
Allow for all levels of integration with existing OpenCL code: use as much or as few of cf4ocl required for your project, with full access to the underlying OpenCL objects and functions at all times.

Features:

Object-oriented interface to the OpenCL API

* New/destroy functions, no direct memory alloc/free * Easy (and extensible) device selection * Simple event dependency mechanism * User-friendly error management

OpenCL version and platform independent
Integrated profiling
Advanced device query utility
Offline kernel compiler and linker

CherryMusic

CherryMusic is a music streaming server based on CherryPy and jPlayer. It plays the music inside your PC, smartphone, tablet, toaster or whatever device has a HTML5 compliant browser installed. Current features:

Stream your music inside the browser (locally or remote)
Browse and search your music
Completely AJAX based (no page reloads on click, therefore fast)
Create and share playlists
Multiple user authentication
HTTPS support
Automatic album cover art fetching
See CHANGES for all the features

ClassScheduler: This project handles the scheduling of classes for a college student. Unless overridden by the user, this program provides usable schedules and avoids schedule conflicts and closed sections. The user chooses the session (semester or quarter) and the courses, and blocks out any personal time needed for jobs, child care, sleeping, eating, etc. Access to schools' schedules is via plugins that any Java programmer can write. Some plugins are provided, including one that can use comma separated values suitable for any college or university, and including one for demonstration purposes. Plugins can access a school's web-based schedule of classes, but require maintenance because the web pages change. It is hoped that the open source nature of this software will lead to wider authoring and maintenance of plugins. Some users have commented that this program provides "prettier" printed schedules than their school's own web page can provide.

ClassyShark3xodus: Checks apps for code signatures of known trackers (provided by Exodus). Also can list all classes for launchable (via the app drawer) packages. Can be used against any APK: - installed: via an app manager, - downloaded: via any file manager (long press and open with ClassyShark3xodus), - launchable installed: via the first screen list (long press to list all classes, including obfuscated ones). Note: doesn't work on odexed/system packages (it's a work-in-progress). Finally, the app doesn't sync or connect to the Internet and thus cannot sneak on end users. The app is updated when Exodus updates their list of trackers: https://reports.exodus-privacy.eu.org/api/trackers ClassyShark3xodus is based on Google's ClassyShark: https://github.com/google/android-classyshark

Clozure Common Lisp: Clozure Common Lisp (CCL) also known as OpenMCL, Macintosh Common Lisp (MCL), Macintosh Allegro Common Lisp (MACL), and Coral Common Lisp (CCL), features: • All major platforms • Fully compiled native code • Fast, precise, compacting, generational garbage collection • Native OS threads on all platforms • A complete mature foreign function interface • Full support for SLIME, ASDF, and QuickLisp • A native IDE on OS X with Objective C and Cocoa integration

CometVisu: The CometVisu is a web technology based realtime visualization for home and building automation systems like the KNX bus or OpenHAB. It can be used on a wide range of systems, ranging from smart phones over tablets up to laptops and PCs.

Conversations.im: Conversations is a Jabber/XMPP client for Android 5.0+ smartphones that has been optimized to provide a unique mobile experience. A port to iOS is envisaged in the medium-term future. Conversations allows you to easily send images, show if your contact has received and read your message, permit dynamic history and handles multiple devices (especially sync with desktop clients), allow you to create group chats and support one-to-one Audio/Video calls ! And thanks to the XMPP Protocol (that is a push protocol) you battery life is safe. Conversations also does not require a Google Account or specifically Google Cloud Messaging (GCM). Using the XMPP federated protocol, you can freely choose a trustworthy server (your own if you want) for yourself while still chatting with contacts that are using other servers. The communication between Conversations and the XMPP server as well as the communication between the individual servers is TLS encrypted. This way, not only your messages are safe but more importantly it is impossible for an outside attacker to intercept your meta data (with whom you are chatting) without attacking your server first. On top of that, Conversations gives you the choice to enable one of two end-to-end encryption mechanisms. The first one is OMEMO, a state of the art multi-end-to-multi-end encryption method which is very easy to setup and gives you forward secrecy and plausible deniability. For backwards compatibility reasons Conversations also supports OpenPGP.

Cool Mic: From homepage: Cool Mic is a broadcasting tool. It broadcasts/livestreams audio from your Android device to any Icecast server using the audio formats Ogg/Opus and Ogg/Vorbis. It has many features and an easy to use interface.

Couple quest: Simple foreplay game for couples. Show some tasks and count points.

Crypton: Crypton is a software framework for remote storage, where the remote server has no knowledge of what is being stored. The content is encrypted client-side before it reaches the server. The framework is designed to be easy for application developers to use, without needing experience in encryption.

Curl: cURL is a command line tool for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, Telnet and TFTP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, file transfer resume, user+password authentication (Basic, Digest, NTLM, Negotiate, kerberos...), proxy tunneling, and so on.
llibcurl
The client-side URL transfer library that the cURL command line tool uses to transfer data. In some distributions, this library is packaged separately.

Cuteframework: Cute Framework (CF) is the cutest framework available for making 2D games in C++. It provides a portable foundational layer for building 2D games in C/C++ without baggage, gnarly dependencies, or cryptic APIs. CF runs almost anywhere, including Windows, MacOS, iOS, Android, Linux, and more!

DIDKit: Issue and verify W3C Verifiable Credentials with Decentralized Identifiers.

DataMelt: DataMelt (DMelt) is an environment for numeric computation, statistical analysis, data mining, and graphical data visualization on the Java platform. This Java multiplatform program is integrated with a number of scripting languages: Jython (Python), Groovy, JRuby, BeanShell. DMelt can be used to plot functions and data in 2D and 3D, perform statistical tests, data mining, numeric computations, function minimization, linear algebra, solving systems of linear and differential equations. Linear, non-linear and symbolic regression are also available. Neural networks and various data-manipulation methods are integrated using powerful Java API. Elements of symbolic computations using Octave/Matlab scripting are supported.

Delta Chat: Delta Chat is a project that aims to create a messaging app that is completely compatible to the existing email-infrastructure. So, with Delta Chat you get the ease of well-known messengers with the reach of email. Moreover, you’re independent from other companies or services - as your data are not related to Delta Chat, you won’t even add new dependencies here.

Digger: Digger automatically plays songs from your music collection matching your selection criteria. You can adjust what you think of the currently playing song to enable appropriate retrieval in a wide range of listening contexts. Digger helps you get back into your music collection.

Dr-geo: Dr. Geo, design & manipulate interactive geometric sketches with constraints. Dr. Geo aim is to be an open, easy to study, modify and extend interactive geometry software. It is distributed with its source code you can modify while using it. Ten years old kids use Dr. Geo to explore Euclidean geometric sketch, agile kids extend and program it with its embedded dynamic Smalltalk language and user interface.

EMI NumberToWord Library: eMI NumberToWord Library is a simple library that converts a number represented in digits (e.g. 500) into the equivalent in words (e.g. five hundred).

EMI Reset Style Sheet: eMI Reset Style Sheet is a CSS style sheet developed to standardise (i.e. reset) the default appearance of HTML elements and attributes across all browsers and devices. The solution is under continuous development but is unversioned.

EMI TOC Generator: eMI TOC Generator is a simple cross-platform library that dynamically generates a table of contents (TOC) in an HTML 5 page on rendering.

EMI eMailer: eMI eMailer is a simple cross-platform object-oriented SMTP client implemented in PHP. It is primarily intended to transfer MIME e-mail messages generated by PHP on the same host as the SMTP server of the sender.

EXo Platform: eXo Platform is an open-source digital workplace platform. Full-featured and user-centered, the solution enables a variety of use cases around internal communications, employee engagement, knowledge management and digital collaboration.

Edfbrowser: EDFbrowser is a viewer for medical timeseries storage files containing data such as EEG, EMG, and ECG signals. It supports EDF(+) and BDF(+) file formats. Apart from viewing the files, it also supports some editing operations and can convert the biomedical files to other formats.

FarmOS: farmOS is a web-based application for farm management, planning, and record keeping.
Note
Client applications for mobile device platforms are packages separately, more information at https://farmos.org/guide/app/

Fastclick: The aim is to make your application feel less laggy and more responsive while avoiding any interference with your current logic. FastClick is developed by FT Labs, part of the Financial Times.

Fennel: Fennel is a programming language that brings together the simplicity, speed, and reach of Lua with the flexibility of a lisp syntax and macro system. Anywhere you can run Lua code, you can run Fennel code.

Ffsend: ffsend allows you to easily and securely share encrypted files from the command line.

FluffyChat: FluffyChat - Chat with your friends The greatest FluffyChat features: Opensource and open development where everyone can join. Nonprofit - FluffyChat is donation funded. Cute design and many theme settings including a dark mode. Unlimited groups and direct chats. FluffyChat is made as simple to use as possible. Free to use for everyone without ads. There is no "FluffyChat server" you are forced to use. Use the server you find trustworthy or host your own. Compatible with Element, Fractal, Nheko and all matrix messengers.

Freedoom: Freedoom is a project to create a complete, free Doom IWAD file. Combined with the GPL Doom source code, it will create a completely free Doom-based game. Freedoom is also gratis.

FroZenLight: FroZenLight connects simple line art and mathematics. The source of light can be positioned so that either symmetric reflection patterns or secret messages (Cryptography) are created. Dozens of example light patterns and some math exercises are provided.

GDevelop: GDevelop is a game development IDE and engine, that can create native and HTML5 games.

GEOS: 'GEOS' is a C++ implementation of the functions and predicates defined in the OpenGIS "Simple Features for SQL" specification. It includes high quality implementations of all important spatial relationships and operations, robust versions of all functions in the dimensionally extended 9 intersection predicate model, and implementations of the operators Buffer(), Union(), and Intersection() and all other SFSQL functions including Area(), Length(), Centroid(), etc.

GSConnect: GSConnect allows to connect savely your mobile device with the desktop on GNOME. Some features: - share files and links - sync contacts - send and receive messages - control media players - sync clipboard content

Garlic-player: The garlic player is a SMIL compatible media player software for digital signage. It displays different digital signage content, such as images, videos, and interactive applications, on a screen. The garlic-player can be used and administrated locally or remote via Internet.

Gcompris: GCompris is a high quality educational software suite, including a large number of activities for children aged 2 to 10. Some of the activities are game orientated, but still educational. Currently GCompris offers more than 100 activities, and more are being developed. This package was designed and built specifically for the Qt platform. It is a full rewrite of the GTK version.

GemRB: The goal of this engine re-implementation project is to make the Infinity Engine games available on a wide range of platforms forever, fix or avoid old bugs, add new features and provide a superb platform for mod (and eventual game) development.

Glib: GLib is the low-level core library that forms the basis for projects such as GTK+ and GNOME. It provides data structure handling for C, portability wrappers, and interfaces for such runtime functionality as an event loop, threads, dynamic loading, and an object system. GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.

Gnucash: GnuCash is personal and professional financial-accounting software. It can be used to track bank accounts, stocks, income and expenses, based on the double-entry accounting practice. It includes support for QIF/OFX/HBCI import and transaction matching. It also automates several tasks, such as financial calculations or scheduled transactions.

Gnufm: GNU FM is a piece of software you can install on your own web server, to run a music community site, similar to Libre.fm or Last.fm. You can use it for your family, your business, your band, or just for yourself.

Gnutls ,: GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface (API) to access the secure communications protocols as well as APIs to parse and write X.509, PKCS #12, and other required structures. The project strives to provide a secure communications back-end, simple to use and integrated with the rest of the base GNU/Linux libraries. A back-end designed to work and be secure out of the box, keeping the TLS and PKI complexity outside the applications.

Gnuzilla

⚠ Outdated official binary release

Since 2019, IceCat is maintained only as source code. The last IceCat binary release was version 60.7.0, and is no longer supported. Guix and Parabola have up-to-date IceCat binaries. Please ask your distro to package IceCat.

GNU IceCat (originally GNU IceWeasel) is part of GNUzilla (the GNU version of the Mozilla Application Suite). GNU IceCat is based on the the current Firefox Extended Support Release (ESR), with removal of trademarked name, trademarked artwork, and proprietary components, and enhanced privacy settings.

However, IceCat is not a straight fork of Firefox ESR; instead, it is a parallel effort that works closely with and re-bases in synchronization on the latest Firefox ESR as the upstream supplier, with patches merged upstream whenever possible; although it should be noted that additional security updates are customized to IceCat occasionally.

Differences between IceCat and Firefox ESR

Important differences between Mozilla's Firefox and GNU IceCat is that IceCat has a focus on freedom and privacy (see settings.js for details).

Encrypted Media Extensions (EME) is not implemented: Whereas Firefox are being created such that they support Digital Restrictions Management (DRM) systems through their implementation of the Encrypted Media Extension (EME), GNU IceCat doesn't include an EME implementation as it opposes efforts to popularize and ease the dissemination of DRM technology.
- Widevine Content Decryption Module provided by Google Inc. is not installed in about:addons > Plugins
- The Play DRM-controlled content option (used to download and enable Widevine Content Decryption Module provided by Google Inc.) has been removed from about:preferences > Content
"Accept third-party cookies: Never"
WebRTC is enabled like in Firefox but prevent leaking the LAN ip. (Test WebRTC)
The proprietary web chat IRC client Mibbit has been removed.
Telemetry is disabled.
DuckDuckGo is the default search engine, which means that you can run "!Bangs" keywords in the location bar to use any search engine.

Philosophy

"We will always make IceCat block non-free JavaScript by default. If you want to permit nonfree software to run, you can easily disable LibreJS." - Richard Stallman

Customized add-ons

SpyBlock (Adblock Plus fork) to block privacy trackers.

History

GNU IceCat was formerly known as GNU IceWeasel but changed its name in 2008 to avoid confusion with Debian IceWeasel (who was rebranded back to Firefox in 2017 after Debian was being granted special permission from Mozilla ref).

The GNU IceCat developers dropped support for IceCatMobile on Replicant after version 38.6.0 because these builds are already provided by F-Droid. See Collection:Replicant for more information about IceCatMobile in the F-Droid repository.

GNU IceCat developers dropped support for macOS, and Windows, after version 38.8.0 in 2016: "Note that building binary packages for Windows and macOS currently requires non-free software, so we no longer distribute binary releases for those platforms."

Free Software Foundation!

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