C Internet Software

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

  • Red Hat Enterprise Linux on Microsoft Azure Icon
    Red Hat Enterprise Linux on Microsoft Azure

    Deploy Red Hat Enterprise Linux on Microsoft Azure for a secure, reliable, and scalable cloud environment, fully integrated with Microsoft services.

    Red Hat Enterprise Linux (RHEL) on Microsoft Azure provides a secure, reliable, and flexible foundation for your cloud infrastructure. Red Hat Enterprise Linux on Microsoft Azure is ideal for enterprises seeking to enhance their cloud environment with seamless integration, consistent performance, and comprehensive support.
  • Cybersecurity Management Software for MSPs Icon
    Cybersecurity Management Software for MSPs

    Secure your clients from cyber threats.

    Define and Deliver Comprehensive Cybersecurity Services. Security threats continue to grow, and your clients are most likely at risk. Small- to medium-sized businesses (SMBs) are targeted by 64% of all cyberattacks, and 62% of them admit lacking in-house expertise to deal with security issues. Now technology solution providers (TSPs) are a prime target. Enter ConnectWise Cybersecurity Management (formerly ConnectWise Fortify) — the advanced cybersecurity solution you need to deliver the managed detection and response protection your clients require. Whether you’re talking to prospects or clients, we provide you with the right insights and data to support your cybersecurity conversation. From client-facing reports to technical guidance, we reduce the noise by guiding you through what’s really needed to demonstrate the value of enhanced strategy.
  • 1

    SyncTERM

    Cross-platform BBS (ANSI) Terminal

    A cross-platform ANSI-BBS terminal designed to connect to remote BBSs via telnet, rlogin, or SSH. Supports ANSI music and the IBM charset when possible. Will run from a console, under X11 using XLib, or using SDL.
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    Downloads: 157 This Week
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  • 2
    My Blog Technology

    My Blog Technology

    Custom web server for my blog

    This is a minimal web server designed to host my blog. It's built from scratch to be robust enough to face the public internet. No reverse proxies are required.
    Downloads: 0 This Week
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  • 3
    Tcl

    Tcl

    The Tool Command Language implementation

    Tool Command Language (Tcl) is an interpreted language and very portable interpreter for that language. Tcl is embeddable and extensible, and has been widely used since its creation in 1988 by John Ousterhout. Bug reports to http://core.tcl.tk/tcl/ Follow code development at http://core.tcl.tk/tcl/
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    Downloads: 38,246 This Week
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  • 4
    OpenVPN

    OpenVPN

    Robust and flexible VPN network tunnelling

    OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port. Discussion forums and project wiki can be found here: https://forums.openvpn.net/ http://community.openvpn.net/openvpn
    Downloads: 0 This Week
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  • The next chapter in business mental wellness Icon
    The next chapter in business mental wellness

    Entrust your employee well-being to Calmerry's nationwide network of licensed mental health professionals.

    Calmerry is beneficial for businesses of all sizes, particularly those in high-stress industries, organizations with remote teams, and HR departments seeking to improve employee well-being and productivity
  • 5
    ProtonVPN for Android

    ProtonVPN for Android

    ProtonVPN Android app

    The Proton VPN app for Android is intuitive to use, offers lots of useful features, and keeps you secure and private when surfing the internet. Once the app is installed, open it and log in with your Proton VPN username and password. If you are a Proton Mail user, you can access the Proton VPN Free plan by logging in with your Proton Mail username and password. Touch the Quick Connect button to automatically connect to the fastest VPN server for your location. You can also choose to connect to any specific server that is available on your plan. You can now securely and privately browse the internet. The datat traveling between your device and the VPN server is encrypted. Secure Core protects your connection by routing your traffic through multiple servers before it leaves our network, defending you against advanced, network-based attacks.
    Downloads: 622 This Week
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  • 6

    odikadhcpd

    dhcpd server

    The odikadhcpd server is an open source dhcp server that works behind a relay dhcp. It couldn't be installed in front of a dhcp client. It is designed to respond to Telco providers or enterprises needs, which want a centralized dhcp server solution. * hooks for pre-process and post-process dhcp request * modular solution with referential in file,ldap,mysql and lease in mysql * support customize referentiel and lease solution * support integration of lease database with powerdns backend. * support overlaping subnet ( use for example in vcpe solution )
    Downloads: 0 This Week
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  • 7
    Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.
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    Downloads: 111 This Week
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  • 8
    Termux:X11

    Termux:X11

    Termux X11 add-on application

    Termux is an Android terminal emulator and Linux environment app that works directly with no rooting or setup required. A minimal base system is installed automatically - additional packages are available using the APT package manager. Termux combines standard packages with accurate terminal emulation in a beautiful open-source solution. Access API endpoints with curl and use rsync to store backups of your contact list on a remote server.
    Downloads: 718 This Week
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  • 9

    MBSE BBS for Linux & Unix

    MBSE BBS is a full FTN-capable ANSI BBS and mailer package.

    MBSE BBS is a fully FTN-capable ANSI BBS package including a mailer (ifcico clone), BinkD daemon, mail tosser, TIC processor, filefind, and other utilities allowing access via modem and the Internet using telnet, ssh, http and ftp. Support is offered through the Fidonet MBSE echo and the Micronet MIN_BBS echo.
    Downloads: 7 This Week
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  • Omnichannel contact center platform for enterprises. Icon
    Omnichannel contact center platform for enterprises.

    For Call centers or BPOs with a very high volume of calls

    Deliver a personalized customer experience with every interaction, across every channel, with uContact, net2phone’s cloud contact center solution.
  • 10
    KiTTY

    KiTTY

    Lightweight, open-source SSH/telnet client

    KiTTY is a lightweight, open-source SSH/telnet client and terminal emulator based on PuTTY, designed for use in Windows environments. It is primarily used for remote connections via SSH, Telnet, Rlogin, and serial protocols, making it an essential tool for system administrators, network engineers, and developers who need to manage remote servers or devices. KiTTY extends PuTTY's functionality with a variety of enhancements, such as session management, automated password handling, and portable executables, providing a more convenient and customizable experience. Its minimalistic design ensures fast performance, while its extended features cater to both basic and advanced users who require reliable, secure, and efficient remote access tools.
    Downloads: 42 This Week
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  • 11
    ooRexx (Open Object Rexx)
    Home of the Open Object Rexx Project. ooRexx is the open source version of IBM's Object REXX Interpreter. It is upwardly compatible with classic REXX and will execute classic REXX programs unchanged. The project is managed by the Rexx Language Association.
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    Downloads: 333 This Week
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  • 12
    Curl

    Curl

    Command line tool and library for transferring data with URLs

    Curl is a command line tool and library for transferring data specified with URL syntax. It supports HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, SSL certificates, cookies, user+password authentication, and so much more! Curl is used for many different things. It's used in command lines or scripts for transferring data. It's also used in just about every device you can think of: mobile phones and tablets, television sets, printers, routers, media players and other audio equipment. Curl is also the internet transfer backbone for thousands of software applications being used extensively throughout the world today. Curl is feature-rich, thread-safe, well supported and fast. It is also highly portable and works on numerous platforms, including Solaris, NetBSD, FreeBSD, OpenBSD, Linux, Mac OS X, Windows, Darwin, UnixWare, HURD, BeOS, Ultrix, QNX, DOS, Symbian, and many more.
    Downloads: 51 This Week
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  • 13
    Zint Barcode Generator

    Zint Barcode Generator

    A barcode encoding library supporting over 50 symbologies.

    Encodes data into any of the following: Australia Post, Aztec Code & Runes, BC412, Channel, Codabar, Codablock-F, Code 11, Code 128, Code 16K, Code 2 of 5 (incl. IATA, Interleaved, Data Logic, ITF-14, Deutsche Post Leitcode & Identcode), Code 32 (Italian Pharmacode), Code 39, Code 39+, Code 49, Code 93, Code One, DAFT, Data Matrix (incl. DMRE), DotCode, DPD, Dutch Post KIX, EAN, FIM, Flattermarken, Grid Matrix, GS1 DataBar (incl. stacked & GS1 Composite symbols), GS1-128, Han Xin, HIBC, ISBN, Japan Post, Korea Post, LOGMARS, MaxiCode, NVE-18 ( SSCC-18), PDF417 & MicroPDF417, Pharmacode, PLANET, POSTNET, Plessey (MSI & UK), PZN, QR Code, Micro QR & rMQR, Royal Mail RM4SCC & Mailmark, Telepen, Ultracode, UPC-A, UPC-E, UPNQR, UPU S10, USPS Intelligent Mail and VIN. Automated ECI switching to support all Unicode characters and automated FNC1 character insertion in GS1 mode. Save to BMP, EMF, EPS, GIF, PCX, PNG, SVG and TIF. Includes CLI, GUI and API for calling from other applications.
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    Downloads: 681 This Week
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  • 14
    fluentbit

    fluentbit

    Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX

    Fluent Bit is a super-fast, lightweight, and highly scalable logging and metrics processor and forwarder. It is the preferred choice for cloud and containerized environments. A robust, lightweight, and portable architecture for high throughput with low CPU and memory usage from any data source to any destination. Proven across distributed cloud and container environments. Highly available with I/O handlers to store data for disaster recovery. Granular management of data parsing and routing. Filtering and enrichment to optimize security and minimize cost. The lightweight, asynchronous design optimizes resource usage: CPU, memory, disk I/O, network. No more OOM errors! Integration with all your technology, cloud-native services, containers, streaming processors, and data backends. Fully event-driven design leverages the operating system API for performance and reliability. All operations to collect and deliver data are asynchronous.
    Downloads: 3 This Week
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  • 15
    New implementation of the traceroute utility for modern Linux systems. Backward compatible with the traditional traceroute. Supports both IPv4 and IPv6, additional types of trace (including TCP), allows some traces for unprivileged users.
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    Downloads: 1,000 This Week
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  • 16
    A Simple implementation of TCP reverse port forwarding just like 'ssh -R', but it doesn't multiplex TCP connections into one, neither it will encrypt the forwarded data.
    Downloads: 0 This Week
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  • 17
    SoftEther VPN

    SoftEther VPN

    Cross-platform multi-protocol VPN software

    An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages. SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful and easy-to-use multi-protocol VPN software. It runs on Windows, Linux, Mac, FreeBSD and Solaris. SoftEther VPN is an optimum alternative to OpenVPN and Microsoft's VPN servers. SoftEther VPN has a clone-function of OpenVPN Server. You can integrate from OpenVPN to SoftEther VPN smoothly. SoftEther VPN is faster than OpenVPN. SoftEther VPN also supports Microsoft SSTP VPN for Windows Vista / 7 / 8. No more need to pay expensive charges for Windows Server license for Remote-Access VPN function.
    Downloads: 57 This Week
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  • 18
    Adapt OpenSSH as a library that can be used in other programs
    Downloads: 0 This Week
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  • 19

    Expat XML Parser

    Fast XML parser library in C

    PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/libexpat/libexpat This is James Clark's Expat XML parser library in C. It is a stream oriented parser that requires setting handlers to deal with the structure that the parser discovers in the document. PLEASE NOTE that we are in the process of moving to GitHub: https://github.com/libexpat/libexpat
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    Downloads: 8,538 This Week
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  • 20

    net-tools

    Linux networking base tools

    A collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Includes: arp, hostname, ifconfig, netstat, rarp, route, plipconfig, slattach, mii-tool and iptunnel and ipmaddr. A mirror of the sourcecode is available on https://github.com/ecki/net-tools
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    Downloads: 7,654 This Week
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  • 21
    RELIANOID

    RELIANOID

    Network Load Balancer and Application Security

    RELIANOID is an open core (Debian GNU/Linux based) Application Delivery Controller (ADC) with advanced load balancing features such as Network Load Balancer, Application Load Balancer with SSL offloading, Advance Network Configuration including Virtual Interfaces, VLANs, Bonding with link aggregation, IPv4/IPv6, advanced routing, stateless cluster, web GUI, JSON API and much more! Enterprise Edition Load Balancer is available with extra features such as global service load balancing (gslb), application security including web application firewall (WAF), blacklists, Realtime Blackhole Lists (DNSBL), DDoS protection, stateful clustering, SNMP monitoring, email and SNMP notifications, RBAC, VPN support, and the best Support directly from an expert Team.
    Downloads: 35 This Week
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  • 22
    Mongoose Embedded Web Server

    Mongoose Embedded Web Server

    An embedded web server

    Mongoose is a networking library for C/C++. It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, MQTT. It is designed for connecting devices and bringing them online. On the market since 2004, used by vast number of open source and commercial products - it even runs on the International Space Station! Mongoose makes embedded network programming fast, robust, and easy. Cross-platform, works on Linux/UNIX, MacOS, Windows, Android, FreeRTOS, etc. Supported embedded architectures: ESP32, NRF52, STM32, NXP, and more. Built-in protocols: plain TCP/UDP, HTTP, MQTT, Websocket. SSL/TLS support: mbedTLS, OpenSSL or custom (via API). Used to solve a wide range of business needs, like implementing Web UI interface on devices, RESTful API services, telemetry data exchange, remote control for a product, remote software updates, remote monitoring, and others.
    Downloads: 3 This Week
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  • 23
    libhv

    libhv

    Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client

    Like libevent, libev, and libuv, libhv provides event loop with non-blocking IO and timer, but simpler api and richer protocols. Cross-platform (Linux, Windows, MacOS, BSD, Solaris, Android, iOS) High-performance EventLoop (IO, timer, idle, custom) TCP/UDP client/server/proxy. TCP supports heartbeat, reconnect, upstream, MultiThread-safe write and close, etc. Built-in common unpacking modes (FixedLength, Delimiter, LengthField) RUDP support: WITH_KCP. SSL/TLS support: (via WITH_OPENSSL or WITH_GNUTLS or WITH_MBEDTLS) HTTP client/server (support https http1/x http2 grpc). HTTP supports static service, indexof service, proxy service, sync/async API handler. HTTP supports RESTful, router, middleware, keep-alive, chunked, SSE, etc. WebSocket client/server.
    Downloads: 5 This Week
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  • 24
    NaviServer

    NaviServer

    NaviServer, a high performance web server written in C and Tcl

    NaviServer is an extensible web server suited to create scalable websites and services. Originally based on AOLserver (http://www.aolserver.com), the ongoing development is done independently under Mozilla Public License by a core group of people that use it for their businesses and by other supporters. Features: High performance multi-threaded architecture, massively scalable and extensible, many modules, dynamic scripted pages (ADP), caching functions (static files, Tcl byte code, chunks), pooled database connections, thread shared arrays, introspection commands, mass virtual hosting (no server restart), watchdog, control port and command mode, efficient handling of down-/uploads with async I/O, IPv4/IPv6 Core developers: Vlad Seryakov, Stephen Deasey, Zoran Vasiljevic, Gustaf Neumann Source: https://github.com/naviserver-project/naviserver Info: https://wiki.tcl-lang.org/page/NaviServer Documentation: https://naviserver.sourceforge.io/n/toc.html
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    Downloads: 26 This Week
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  • 25
    AmiModRadio

    AmiModRadio

    All of Aminet modules at your fingertips

    IF YOU LIKE IT, BUY ME A COFFEE AT https://www.buymeacoffee.com/amimodradio MORE INFORMATION AT http://www.chingu.asia/wiki/index.php?title=AmiModRadio Did you know that, as of today (2015/06/02), there are more than 20,000 packages (http://aminet.net/tree) in the mods directory on Aminet? Yes! That's more than 20,000 modules to play and enjoy! So, why not have a program that could automatically download one module at-a-time, extract it, and play it? This is the purpose of AmiModRadio... - A small FTP client to access Aminet and Modland and download archives containing modules; - A small HTTP client to access Haxor.fi and download modules; - A small HTTPS client to access ModArchive, Modules.pl, and AMP; - A XAD client to unarchive the downloaded archives; - A ARexx command-and-control system to gently ask players to play the module; - A MUI interface to control the various parts of AmiModRadio, e.g., to pause/play and skip modules.
    Downloads: 0 This Week
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