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

  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

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  • MicroStation by Bentley Systems is the trusted computer-aided design (CAD) software built specifically for infrastructure design. Icon
    MicroStation by Bentley Systems is the trusted computer-aided design (CAD) software built specifically for infrastructure design.

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  • 1
    YAT

    YAT

    Yet Another Terminal :: Serial Communication :: Engineer/Test/Debug

    Engineering, testing and debugging of serial communication. Supports RS-232/422/423/485 as well as TCP/IP Client/Server/AutoSocket, UDP/IP Client/Server/PairSocket and USB Ser/HID. Optimized for simple command sets of e.g. embedded systems.
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    Downloads: 651 This Week
    Last Update:
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  • 2
    PEASS-ng

    PEASS-ng

    Privilege Escalation Awesome Scripts SUITE

    These tools search for possible local privilege escalation paths that you could exploit and print them to you with nice colors so you can recognize the misconfigurations easily. All the scripts/binaries of the PEAS suite should be used for authorized penetration testing and/or educational purposes only. Any misuse of this software will not be the responsibility of the author or of any other collaborator. Use it at your own machines and/or with the owner's permission. Here you will find privilege escalation tools for Windows and Linux/Unix and MacOS. Find the latest versions of all the scripts and binaries in the releases page. Check the parsers directory to transform PEASS outputs to JSON, HTML and PDF.
    Downloads: 88 This Week
    Last Update:
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  • 3
    Windows ACME Simple (WACS)

    Windows ACME Simple (WACS)

    A simple ACME client for Windows (for use with Let's Encrypt et al.)

    This is a ACMEv2 client for Windows that aims to be very simple to start with, but powerful enough to grow into almost every scenario. A very simple interface to create and install certificates on a local IIS server. A more advanced interface for many other use cases, including Apache and Exchange. Automatically creates a scheduled task to renew certificates when needed. Get certificates with wildcards, international names, OCSP Must Staple extension (optional). Re-use private keys for DANE, use EC crypto or bring your own CSR. Advanced toolkit for DNS, HTTP and TLS validation: SFTP/FTPS, acme-dns, Azure, Route53, Cloudflare and many more. Store your certificates where and how you want them: Windows, IIS Central Store, .pem files, .pfx file or KeyVault. Compatible with all popular ACME services, including Let’s Encrypt, ZeroSSL, DigiCert, Sectigo, Buypass, Keyon and others. Completely unattended operation from the command line.
    Downloads: 44 This Week
    Last Update:
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  • 4
    Harmony

    Harmony

    Patching, replacing and decorating .NET and Mono methods

    Harmony gives you an elegant and high-level way to alter the functionality in applications written in C#. It works great in games and is well established in titles like 7 Days To Die, BattleTech, Besiege, Cities:Skylines, Kerbal Space Program, Oxygen Not Included, Ravenfield, Rimworld, Sheltered, Stardew Valley, Staxel, Subnautica, The Ultimate Nerd Game, Total Miner, Unturned, SCP: Secret Laboratory and many more. If you develop in C# and your code is loaded as a module/plugin into a host application, you can use Harmony to alter the functionality of all the available assemblies of that application. Where other patch libraries simply allow you to replace the original method, Harmony goes one step further. It is also used in unit testing WPF controls and in many other areas. Installation is done by using 0Harmony.dll in your project or by using the Lib.Harmony nuget package.
    Downloads: 34 This Week
    Last Update:
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  • Simplify Purchasing For Your Business Icon
    Simplify Purchasing For Your Business

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  • 5
    Fluent Terminal

    Fluent Terminal

    A Terminal Emulator based on UWP and web technologies

    FluentTerminal is a modern terminal emulator for Windows built using UWP (Universal Windows Platform) and web technologies. It offers a sleek, tabbed interface and supports a variety of shell environments like PowerShell, CMD, WSL, plus remote shells via SSH/Mosh. Terminal for PowerShell, CMD, WSL or custom shells. Built-in support for SSH and Mosh connections. Supports tabs and multiple windows. Theming and appearance configuration. Import/Export themes, import iTerm themes.
    Downloads: 27 This Week
    Last Update:
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  • 6
    ArchiSteamFarm

    ArchiSteamFarm

    C# application with primary purpose of farming Steam cards

    ASF is a C# application with the primary purpose of farming Steam cards from multiple accounts simultaneously. Unlike Idle Master which works only for one account at a given time, while requiring Steam client running in the background and launching additional processes imitating "game-playing" status, ASF doesn't require any Steam client running in the background, doesn't launch any additional processes and is made to handle unlimited Steam accounts at once. In addition to that, it's meant to be run on servers or other desktop-less machines and features full cross-OS support, which makes it possible to launch on any operating system with .NET Core runtime, such as Windows, Linux, and macOS. ASF is possible thanks to the gigantic amount of work done in the marvelous SteamKit2 library. Today, ASF is one of the most versatile Steam power tools, allowing you to make use of many features that were implemented over time.
    Downloads: 20 This Week
    Last Update:
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  • 7
    PuTTY Session Manager
    PuTTY Session Manager is a tool that allows system administrators to organise their PuTTY sessions into folders and assign hotkeys to favourite sessions. Multiple sessions can be launched with one click. Requires MS Windows and the .NET 2.0 Runtime.
    Downloads: 53 This Week
    Last Update:
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  • 8
    Universal BootLoader Tool helps you easily recover from a failed rom flash, and is known to turn an free update rom into a full rom. (e.g. from the free WM5 update rom available for hx4700 Pocket PCs on HP.com) Only tested with HP iPAQ Pocket PCs.
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    Downloads: 54 This Week
    Last Update:
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  • 9
    SerialToIP is a simple Terminal Server software providing transparent pipe either in TCP server or TCP client socket mode from TCP/IP to a pre-configured serial port. Implemented in C# for .NET 2.0 so the command line version could work in Mono-runtime as well.
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    Downloads: 22 This Week
    Last Update:
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  • The full-stack observability platform that protects your dataLayer, tags and conversion data Icon
    The full-stack observability platform that protects your dataLayer, tags and conversion data

    Stop losing revenue to bad data today. and protect your marketing data with Code-Cube.io.

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  • 10
    BaGet

    BaGet

    A lightweight NuGet and symbol server

    BaGet (pronounced "baguette") is a lightweight NuGet and symbol server. It is open-source, cross-platform, and cloud-ready! You can also use the BaGet.Protocol package to interact with a NuGet server. Cross-platform, dockerized, cloud-ready, supports read-through caching. Can index the entirety of nuget.org. Coming soon, support for private feeds. You can run BaGet on your preferred platform, on your computer, Docker, Azure, AWS, Google Cloud, and Alibaba Cloud (Aliyun). With a few extra steps, you can run BaGet behind a Windows IIS proxy. This has many benefits, including automatic restarts on reboots. You may need to give special permissions to the top-level BaGet folder so that the app can persist in its state. This is necessary as the Application Pools' identity is a virtual account that isn't recognized by the Windows User Management Console.
    Downloads: 3 This Week
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  • 11
    Terminal.Gui

    Terminal.Gui

    Console-based user interface toolkit for .NET applications

    A toolkit for building console GUI apps for .NET, .NET Core, and Mono that works on Windows, the Mac, and Linux/Unix. In addition, a complete Xterm/Vt100 terminal emulator that you can embed is now part of XtermSharp, you just need to pull TerminalView.cs into your project. Works on Windows, Mac, and Linux. Terminal drivers for Curses, Windows Console, and the .NET Console mean Terminal.Gui works well on both color and monochrome terminals and has mouse support on terminal emulators that support it. Both keyboard and mouse input are supported, including limited support for drag & drop. Terminal.Gui supports both Absolute layout and an innovative UI layout system referred to as Computed Layout. Computed Layout makes it easy to layout controls relative to each other and enables dynamic console GUIs.
    Downloads: 3 This Week
    Last Update:
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  • 12
    It is a simple implementation of SMTP client, which has functions of sending email and friends list. I will enrich its functionality gradually.
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    Downloads: 16 This Week
    Last Update:
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  • 13
    TcpTerminal

    TcpTerminal

    TCP Terminal is a tool for testing and debugging TCP communication.

    TCP Terminal is a tool for testing and debugging TCP communication. - Works both as a server and as a client. - Accepts input and prints output in HEX and ASCII format. - Separate display of sent and received data.
    Downloads: 28 This Week
    Last Update:
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  • 14
    Remote Desktop Client for the GNOME Desktop. Supported protocols: RDP, VNC, SSH. Configured sessions can be saved to the built in list. Additional programs required: rdesktop, tightvnc, ssh, gnome-terminal. Application can be run with Mono runtime.
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    Downloads: 5 This Week
    Last Update:
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  • 15
    ASP.NET Core API Endpoints

    ASP.NET Core API Endpoints

    A project for supporting API Endpoints in ASP.NET Core web apps

    It is a lightweight library that promotes building web APIs using a feature-focused endpoint pattern instead of traditional controller-based architecture. The project encourages developers to create small, single-responsibility endpoint classes that improve code clarity, testability, and maintainability in modern applications. It provides base classes and conventions that reduce boilerplate while keeping full compatibility with standard core middleware, routing, and dependency injection. The approach aligns well with vertical slice architecture and clean architecture principles, helping teams organize APIs around use cases rather than technical layers. ApiEndpoints is designed to remain minimal and non-intrusive so developers retain full control over their application structure. Overall, it serves as a productivity-focused architectural helper for building clean and scalable core APIs.
    Downloads: 1 This Week
    Last Update:
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  • 16

    SerialPort to Keyboard

    Posts characters from Serialport to the OS as Keystrokes

    See homepage: http://sharperdevelopment.blogspot.de/2013/01/replacing-win-xp-accessibility-features.html
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    Downloads: 10 This Week
    Last Update:
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  • 17
    CitrixTS4Linux is a GUI remote access server application written in C and C++ to allow access to RPM-based Linux terminal servers via the free Citrix ICA client.
    Downloads: 3 This Week
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  • 18
    Serial Data Logger

    Serial Data Logger

    A configurable serial data terminal and recorder

    Current stable release: version 1.3 (2022-11-10) More info in wiki.
    Downloads: 3 This Week
    Last Update:
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  • 19

    SerialDataScope

    This application is a ASCII-based data scope.

    This application is a ASCII-based data scope. When used with a 'spy' cable such as the CBL-Full-1A product from www.commfront.com this progrmam shows the ASCII chars on both sides of a comm link. There are three main tabs on the user interface. The 'Vertical' tab displays the comm link conversation in a vertically-scrolling half-duplex mode. Each 'side' of the conversation is detected by the user-configured 'start msg' and 'end msg' byte sequence. The 'Horizontal' tab shows bytes, one at a time, as they are received on each side of the link so the relative timing relationships can be monitored. Printable ASCII chars are shown. Non-printable are shown with a '0x' prefix. The two sides of this link referred to as 'Port 1' and 'Port 2'. Each side must communicate at the same baud rate. Each side can have its' own start message and end message character configurations. A log tab where state and error messages can be reviewed.
    Downloads: 2 This Week
    Last Update:
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  • 20

    Protocol tool

    Hexadecimal strings test tool

    This is a software/hardware development tool that allows the user to send strings on an interface (parallel,serial, network or other), specified in hexadecimal or strings or a combination of these. The strings can be retrieved/stored from/to a file.
    Downloads: 1 This Week
    Last Update:
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  • 21
    XSockets - open, lightweight and highly portable library of universal and eXtensible Super Sockets for point-to-point communication. A unified API for many communication methods between programs and/or devices (e.g. TCP/IP sockets,serial link,pipes,IrDA)
    Downloads: 1 This Week
    Last Update:
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  • 22
    SerialPortNet is an open source serial port communication library for Microsoft .NET. It's written in c#, implements complete .NET 2.0 specifications, and is designed to allow for multiple OSes and add-on 3rd party Serial to Network adapters.
    Downloads: 0 This Week
    Last Update:
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  • 23
    .NET VNC Viewer is a VNC viewer written entirely in C#. It is binary compatible with Smartphones, Pocket PCs and Windows desktops (.NET CF or .NET Framework). I write this because other VNC viewers on Pocket PC do not do full screen and screen rotation.
    Downloads: 0 This Week
    Last Update:
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  • 24
    A C# .net VT/Telnet terminal emulator. The project is still very much in development but the Terminal is quite useable and fairly tolerent. It requires a c# 2 compiler. If anyone has taken this project any further, I'd love to see the results.
    Downloads: 0 This Week
    Last Update:
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  • 25
    AnywhereTS is a configuration tool to create and deploy thin-clients, utilizing ordinary office PCs as clients. Your organization can re-use already existing office PCs instead of, or in addition to using dedicated thin clients.
    Downloads: 0 This Week
    Last Update:
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