Browse free open source C Command Line Tools and projects below. Use the toggles on the left to filter open source C Command Line Tools by OS, license, language, programming language, and project status.

  • GoAnywhere Managed File Transfer (MFT) Icon
    GoAnywhere Managed File Transfer (MFT)

    Secure and simplify your file transfers

    GoAnywhere MFT provides secure managed file transfer for enterprises. Deployable on-premise, in the cloud, or in hybrid environments, GoAnywhere MFT software enables organizations to exchange data among employees, customers, and trading partners, as well as between systems, securely. GoAnywhere MFT was a recipient of the Cybersecurity Excellence Award for Secure File Transfer.
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  • White Labeled Fintech Software Solutions | Centrex Icon
    White Labeled Fintech Software Solutions | Centrex

    Centrex is a full suite of white labeled fintech solutions built and designed for brokers, lenders, banks, investors, fintechs

    The Centrex products include: CRM, loan origination, loan and advance servicing software, syndication management, white labeled mobile app, money manager, underwriting, Esign, and website smart app builder. The Centrex services include: fintech software consulting, admin retainer services, and managed data cloud.
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  • 1
    Comgt is a command line tool for controlling, configuring and interacting with Option Wireless 3G and 2G ( HSDPA, UMTS, EDGE, GPRS, GSM) data devices within the Linux environment.
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    Downloads: 32,801 This Week
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  • 2
    s3cmd

    s3cmd

    Command line tool for managing Amazon S3 and CloudFront services

    Open-source tool to access Amazon S3 file storage. S3cmd is a free command line tool and client for uploading, retrieving and managing data in Amazon S3 and other cloud storage service providers that use the S3 protocol, such as Google Cloud Storage. Lots of features and options have been added to s3cmd since its very first release in 2008.... we recently counted more than 60 command line options, including multipart uploads, encryption, incremental backup, s3 sync, ACL and Metadata management, S3 bucket size, bucket policies, and more!
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    Downloads: 1,114 This Week
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  • 3
    A command line tool to create C files from binary files. It can be used to embed the contents of external files to a C or C++ program.
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    Downloads: 448 This Week
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  • 4
    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.
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    Downloads: 147 This Week
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  • Powerful Business Process Automation Icon
    Powerful Business Process Automation

    With ThinkAutomation, you get an open-ended studio to build any and every automated workflow you could ever need.

    When a message is received ThinkAutomation automatically executes one or more Automations. Automations are created using an easy to use drag-and-drop interface to run simple or complex tasks. Automations can perform many business process Actions, including: updating company databases, CRM systems and cloud services, sending outgoing emails, Teams & SMS messages, document processing, custom scripting, integration and much more. Over 100 built-in actions are included, plus ThinkAutomation is extensible with Custom Actions.  
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  • 5
    ideviceinstaller

    ideviceinstaller

    Manage apps of iOS devices

    A command-line application to manage apps and app archives on iOS devices. The ideviceinstaller application allows interaction with the app installation service of an iOS device. Install, upgrade, uninstall, archive, restore and enumerate apps. Allows to retrieve a list of installed apps with filter options. Supports app package, carrier bundle and developer .app directory. Allows command output in plist format. Supports latest device firmware releases. Tested on Linux, macOS, Windows, and Android platforms.
    Downloads: 14 This Week
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  • 6
    Mozilla JPEG Encoder Project

    Mozilla JPEG Encoder Project

    Improved JPEG encoder

    MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time. It is compatible with the JPEG standard, and the vast majority of the world's deployed JPEG decoders. MozJPEG is compatible with the libjpeg API and ABI. It is intended to be a drop-in replacement for libjpeg. MozJPEG is a strict superset of libjpeg-turbo's functionality. All MozJPEG's improvements can be disabled at run time, and in that case it behaves exactly like libjpeg-turbo. MozJPEG is meant to be used as a library in graphics programs and image processing tools. We include a demo cjpeg command-line tool, but it's not intended for serious use. We encourage authors of graphics programs to use libjpeg's C API and link with MozJPEG library instead. Progressive encoding with "jpegrescan" optimization. It can be applied to any JPEG file (with jpegtran) to losslessly reduce file size.
    Downloads: 10 This Week
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  • 7

    duff

    Command-line tool for finding duplicate files

    Duff is a Unix command-line utility for quickly finding duplicates in a given set of files. Duff is written in C and should build and run on most modern Unices.
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    Downloads: 72 This Week
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  • 8
    tio

    tio

    A serial device I/O tool

    tio is a serial device tool that features a straightforward command line and configuration file interface to easily connect to serial TTY devices for basic I/O operations. To make a simpler serial device tool for working with serial TTY devices with less focus on classic terminal/modem features and more focus on the needs of embedded developers and hackers. tio was originally created as an alternative to screen for connecting to serial devices when used in combination with tmux.
    Downloads: 4 This Week
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  • 9
    SIGAR (System Information Gatherer and Reporter) is a cross-platform, cross-language library and command-line tool for accessing operating system and hardware level information in Java, Perl and .NET.
    Downloads: 34 This Week
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  • Intelligent Appointment Reminders Icon
    Intelligent Appointment Reminders

    For doctors, clinics and hospitals

    DoctorConnect provides industry leading patient engagement. In business for over 25 years, we provide highly customizable services to thousands of doctors, clinics and hospitals. Appointment Reminders, After Care Surveys, Automated No-Show and Recall Messaging, and more. We can directly interface with hundreds of EMR and PM systems. We'd love to hear from you and show you how we increase your revenue and your patient satisfaction.
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  • 10
    ezthumb
    A video thumbnail generator based on FFMPEG.
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    Downloads: 17 This Week
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  • 11
    FractalNow

    FractalNow

    Fast, advanced, multi-platform fractal generator

    FractalNow provides users with tools to generate pictures of various types of fractals quickly and easily. It is made of both a command line tool, FractalNow, and a graphical tool, QFractalNow. The graphical tool, based on Qt library, allows users to explore fractals intuitively and generate pictures. Both tools are entirely multi-threaded and implement advanced algorithms and heuristics that make computation very fast compared to most existing free fractal generators.
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    Downloads: 31 This Week
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  • 12
    Notcurses

    Notcurses

    blingful character graphics/TUI library. definitely not curses

    A library facilitating complex TUIs on modern terminal emulators, supporting vivid colors, multimedia, threads, and Unicode to the maximum degree possible. Things can be done with Notcurses that simply can't be done with NCURSES. It is furthermore fast as shit. What it is not: a source-compatible X/Open Curses implementation, nor a replacement for NCURSES on existing systems. Notcurses abandons the X/Open Curses API bundled as part of the Single UNIX Specification. For some necessary background, consult Thomas E. Dickey's superb and authoritative NCURSES FAQ. As such, Notcurses is not a drop-in Curses replacement. Wherever possible, Notcurses makes use of the Terminfo library shipped with NCURSES, benefiting greatly from its portability and thoroughness. Notcurses opens up advanced functionality for the interactive user on workstations, phones, laptops, and tablets, possibly at the expense of e.g. some industrial and retail terminals.
    Downloads: 2 This Week
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  • 13
    try

    try

    Inspect a command's effects before modifying your live system

    Try is a Linux command-line utility that lets users run a command and inspect its effects before deciding whether to commit those changes to the live system. It works by using Linux namespaces through unshare together with overlay-based filesystem techniques so that commands can execute in an isolated view of the system rather than directly modifying the host environment immediately. This makes it useful for experimenting with package installation, system changes, and other shell commands where users want a chance to review the outcome first. The project is careful not to position itself as a full security sandbox, since trusted commands can still make network calls and the tool is presented as a prototype rather than a complete isolation boundary. It supports multiple Linux distributions and can fall back to mergerfs or unionfs in environments where overlayfs on nested mounts does not work as expected. In practice,
    Downloads: 2 This Week
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  • 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: 43 This Week
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  • 15
    Command Line Progress Bar is a simple command line tool to display information about a data transfer stream. It will display the number of bytes transfered, the speed of the transfer, and if the size of the data stream is known it will display the ETA, p
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    Downloads: 8 This Week
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  • 16
    Ink is a command line tool which displays the ink level of your printer. It makes use of libinklevel.
    Downloads: 20 This Week
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  • 17
    quvi is a command line tool for parsing Adobe Flash media stream URLs. libquvi is a cross-platform library for parsing media stream URLs with C API.
    Downloads: 11 This Week
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  • 18

    a8cas

    A portable library and tools for archiving images of Atari 8-bit tapes

    A portable library and tools for archiving images of tapes with Atari 8-bit computer software. Provides a common interface for loading and saving tape images in various formats. Designed for use by emulators and Atari<->PC communication software.
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    Downloads: 5 This Week
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  • 19
    Bambalam PHP EXE Compiler/Embedder is a free command line tool to convert PHP applications to standalone windows .exe applications. The exe files produced are totally standalone, no need for php dlls etc.
    Downloads: 8 This Week
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  • 20
    A command-line tool to download picturs and control still digital cameras based on Sierra Imaging chipset and compatibles (Olympus, Nikon, Epson, Agfa and some others).
    Downloads: 8 This Week
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  • 21
    DELOLD is a command line tool used to delete old files with a create date older then a set amount of days. It can do verbose and rescursive with any path given. Perfect for Scheduled and/or batch file jobs.
    Downloads: 4 This Week
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  • 22
    Library for decoding InterPlay ACM Audio format. Includes command line tool and plugins for WinAmp, GStreamer and XMMS family (XMMS, BMP, Audacious).
    Downloads: 6 This Week
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  • 23

    clarion database reader

    Read Clarion databases and dump data in CSV format

    This tiny tool reads a database in the Clarion Database format and converts it to CSV format. It is a command-line tool and designed to work in Linxu, although the configure may work right under other operating systems as well, like MinGW.
    Downloads: 6 This Week
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  • 24
    Flat file extractor can be used for reading and parsing different flat file structures and printing them in different formats. ffe is a command line tool developed in GNU/Linux environment and it is distributed under GPL. Project moved to https://github.com/igitur/ffe
    Downloads: 3 This Week
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  • 25

    Largest Generic Hash and HMAC Program

    57 Hash Functions In One Program, plus each with HMAC or KMAC

    FEHASHMAC is the largest collection of publicly known hash algorithms integrated into a command-line utility. FEHASHMAC contains a set of known test vectors and results for each algorithm such that the correct implementation for each hardware platform and compiler version can directly be verified. Currently 57 hash algorithms like sha1 sha224 sha256 sha384 sha512 and variants, sha3 and shake, all SHA3 finalists and blake3, md2 md4 md5 md6, rmd128 rmd160 rmd256 rmd320, whirl gost lash160 lash256 lash384 lash512 tiger2 and RFC 2104 HMAC and KMAC support are included, plus SHA3 extensions kmac128, kmac256, kmacxof128, kmacxof256 for message.
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    Downloads: 3 This Week
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