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

  • MyQ Print Management Software Icon
    MyQ Print Management Software

    SAVE TIME WITH PERSONALIZED PRINT SOLUTIONS

    Boost your digital or traditional workplace with MyQ’s secure print and scan solutions that respect your time and help you focus on what you do best.
    Learn More
  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 1
    SourceCookifier: Plugin for Notepad++
    A plugin which uses Exuberant Ctags to parse either only the currently activated source file or multiple files of so-called sessions. The results are shown and can be browsed in a treeview inside of a dockable window.
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    Downloads: 1,037 This Week
    Last Update:
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  • 2
    Virastyar

    Virastyar

    Virastyar is an spell checker for low-resource languages

    Virastyar is a free and open-source (FOSS) spell checker. It stands upon the shoulders of many free/libre/open-source (FLOSS) libraries developed for processing low-resource languages, especially Persian and RTL languages Publications: Kashefi, O., Nasri, M., & Kanani, K. (2010). Towards Automatic Persian Spell Checking. SCICT. Kashefi, O., Sharifi, M., & Minaie, B. (2013). A novel string distance metric for ranking Persian respelling suggestions. Natural Language Engineering, 19(2), 259-284. Rasooli, M. S., Kahefi, O., & Minaei-Bidgoli, B. (2011). Effect of adaptive spell checking in Persian. In NLP-KE Contributors: Omid Kashefi Azadeh Zamanifar Masoumeh Mashaiekhi Meisam Pourafzal Reza Refaei Mohammad Hedayati Kamiar Kanani Mehrdad Senobari Sina Iravanin Mohammad Sadegh Rasooli Mohsen Hoseinalizadeh Mitra Nasri Alireza Dehlaghi Fatemeh Ahmadi Neda PourMorteza
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    Downloads: 534 This Week
    Last Update:
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  • 3
    VSCodium

    VSCodium

    binary releases of VS Code without MS branding/telemetry/licensing

    Microsoft’s vscode source code is open source (MIT-licensed), but the product available for download (Visual Studio Code) is licensed under this not-FLOSS license and contains telemetry/tracking. The VSCodium project exists so that you don’t have to download+build from source. This project includes special build scripts that clone Microsoft’s vscode repo, run the build commands, and upload the resulting binaries for you to GitHub releases. These binaries are licensed under the MIT license. Telemetry is disabled. If you want to build from source yourself, head over to Microsoft’s vscode repo and follow their instructions. VSCodium exists to make it easier to get the latest version of MIT-licensed VSCode. Please note that some Visual Studio Code extensions have licenses that restrict their use to the official Visual Studio Code builds and therefore do not work with VSCodium.
    Downloads: 40 This Week
    Last Update:
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  • 4
    OneNote Md Exporter

    OneNote Md Exporter

    ConsoleApp to export OneNote notebooks to Markdown formats

    OneNote Md Exporter is a console application running on Windows that exports your OneNote notebooks in different markdown formats. Evaluate or migrate to an alternative Knowledge Management Software like Joplin, Obsidian or other software based on Markdown format. Backup your OneNote Notebooks in an interoperable and open file format.
    Downloads: 22 This Week
    Last Update:
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  • Cloud data warehouse to power your data-driven innovation Icon
    Cloud data warehouse to power your data-driven innovation

    BigQuery is a serverless and cost-effective enterprise data warehouse that works across clouds and scales with your data.

    BigQuery Studio provides a single, unified interface for all data practitioners of various coding skills to simplify analytics workflows from data ingestion and preparation to data exploration and visualization to ML model creation and use. It also allows you to use simple SQL to access Vertex AI foundational models directly inside BigQuery for text processing tasks, such as sentiment analysis, entity extraction, and many more without having to deal with specialized models.
    Try for free
  • 5
    Notepads

    Notepads

    A modern, lightweight text editor with a minimalist design

    I have been waiting long enough for a modern Windows 10 notepad app to come before I decided to create one myself. Don’t get me wrong, Notepad++, VS Code, and Sublime are great text editors. I have used them all and I will continue to use them in the future. However, they are either too heavy or look less appealing. There are times that I just wanted to use Windows Notepad for things like writing notes or editing config files. So I decided to create a win32 notepad replacement here and try to give it a modern look and feel. Most importantly, it has to be blazingly fast and appeal to everyone.
    Downloads: 18 This Week
    Last Update:
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  • 6
    LMG2Shruti is a free non unicode to unicode font converter. It converts the LMG Arun font to Gujarati unicode Shruti font.
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    Downloads: 166 This Week
    Last Update:
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  • 7
    The goal for this project is to provide translators to allow for interoperability between applications based on ODF (OpenDocument) 1.1 standards and ECMA Office OpenXML based Office applications.
    Downloads: 36 This Week
    Last Update:
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  • 8

    ConcatPDF

    PDF Concatenation Tool

    ConcatPDF is the tool to concatenate PDF files. It can concatenate, extract, encrypt, decrypt, configure PDF files, convert image files to PDF. GUI version and CUI version are both available. iText.NET is iText porting on .NET Framework by J#. This library allows you to generate PDF, (X)HTML, XML, RTF files on Microsoft.NET Framework including ASP.NET.
    Downloads: 29 This Week
    Last Update:
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  • 9
    Markdown Monster

    Markdown Monster

    An extensible Markdown Editor, Viewer and Weblog Publisher for Windows

    Markdown Monster is a powerful, yet easy-to-use Markdown editor with syntax highlighting and sophisticated and fast edit features. A collapsible, synced, live preview lets you see your output as you type and scroll. Easily embed or paste images, links, tables and code using raw markup or our smart UI helpers to simplify many operations with a few keystrokes or a click or two. Paste images from the clipboard or drag and drop from Explorer or our built-in file browser. Inline spell-checking and word counts keep your content streamlined. You can export Markdown to PDF or HTML on disk or copy Markdown selections as HTML to the clipboard. The HTML preview can display syntax-colored code snippets for most coding languages. Choose from light or dark app themes, and individual and fully customizable preview themes. Use the built-in folder browser to open, manage and drag files into content, use the document outline to quickly jump through content, or use our shell integration.
    Downloads: 4 This Week
    Last Update:
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  • Most modern and flexible cloud platform for MLM companies Icon
    Most modern and flexible cloud platform for MLM companies

    ERP-class software for multi-level marketing

    For direct selling (MLM) companies, from startup to well established enterprises with millions of distributors across the world
    Learn More
  • 10
    CSV Quick Viewer

    CSV Quick Viewer

    CSV Quick Viewer

    Windows file viewer for delimited text files, such as CSV or tab-delimited files. No configuration is required—simply open any delimited text file and view the data in a clean, tabular format. For files with unusual formatting, optional settings allow quick adjustments to ensure proper display.
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    Downloads: 29 This Week
    Last Update:
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  • 11
    The goal of this tool is to simplify and accelerate the process of creating bookmarks for DjVu and PDF documents. You can see additional information on the project page.
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    Downloads: 21 This Week
    Last Update:
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  • 12
    FCKeditor

    FCKeditor

    FCKeditor (retired)

    FCKeditor is the previous version of CKEditor and has been discontinued after version 2. The new CKEditor is redesigned from the ground up, offering more WYSIWYG text editing features, enhanced security and better integration. Don’t force yourself with retro FCKeditor. Switch to the new, cool CKEditor at ckeditor.com
    Downloads: 10 This Week
    Last Update:
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  • 13
    Unicode Converter

    Unicode Converter

    All in one Text, Decimal, and Unicode Converter as you type.

    Unicode Converter is an open source software for converting Text to Unicode and decimal and vice versa while you type. No clicks or convert button! Latest source code: https://github.com/ahmed-fathy/unicode-converter Conversion Options: Text -> Unicode and Decimal Unicode -> Text and Decimal Decimal -> Text and Unicode *Smart settings: The settings take effect directly after you change it and will be saved for you and applied in next runs. Formatting options: Unicode and decimal perfix and postfix to get your desired output, such as \u0001  0001 etc...
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    Downloads: 58 This Week
    Last Update:
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  • 14
    AutoText

    AutoText

    Text expander(auto-type) application

    AutoText is a text expander(auto-typer) application that can minimize time that you spent typing phrases that your often use. You can bind an abbreviation(autotext) to some text snippet, phrase or sentence and that text will be automatically typed by AutoText each time you type the abbreviation. Keyboard keys press/hold/toggle is supported by using macros. AutoText works in any Windows program.
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    Downloads: 20 This Week
    Last Update:
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  • 15
    A transparent notepad programmed in C#. Now with Rich Text Support!
    Downloads: 18 This Week
    Last Update:
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  • 16
    gemini-editor

    gemini-editor

    Custom script editor for RPG Maker XP, VX, and VXA

    Gemini is a custom-built script editor, made using C# and .NET, for working on RPG Maker XP, VX, and VXA projects. It features enhanced IDE features that cannot be found in the default editors.
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    Downloads: 29 This Week
    Last Update:
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  • 17
    Notepad X
    Notepad X is an alternative open source text editor for Microsoft Windows, with a lot of customization options created to help users managing text documents featuring tab navigation.
    Downloads: 9 This Week
    Last Update:
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  • 18
    TouchPad Handwriting

    TouchPad Handwriting

    Handwriting recognition on a notebook computer.

    With the Tablet PC components of Windows and the API provided by Synaptics touchpad driver, we can easily perform handwriting recognition on a notebook computer.
    Downloads: 13 This Week
    Last Update:
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  • 19
    PDF Clown

    PDF Clown

    General-Purpose PDF Library for Java and .NET

    PDF Clown is a general-purpose Java and .NET library for manipulating PDF files through multiple abstraction layers, rigorously adhering to PDF 1.7 specification (ISO 32000-1). This project aims to provide a universal access to PDF files (creation, reading, editing, rendering...) through an accurate and elegant object-oriented API. * Features: http://pdfclown.org/overview/features/ * Overview: http://pdfclown.org/overview/architecture/ * Website: http://pdfclown.org/ * Blog: http://www.pdfclown.org/blog/ * Twitter: https://twitter.com/PDFClown
    Downloads: 5 This Week
    Last Update:
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  • 20
    Gnome Subtitles
    Gnome Subtitles is a subtitle editor for the GNOME desktop. It supports the most common text-based subtitle formats, video previewing, timings synchronization and subtitle translation.
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    Downloads: 22 This Week
    Last Update:
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  • 21
    The Punjabi Computing Resource Centre holds resources (specifically articles, programs and fonts) to support the use of the Punjabi language using Unicode Gurmukhi. It also hosts a forum for language debate and technical support.
    Downloads: 16 This Week
    Last Update:
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  • 22
    Voikko

    Voikko

    Library of linguistic tools

    Voikko is a spell checking, grammar checking, morphological analysis and hyphenation system. Spell checkers are available for multiple languages, other features for Finnish only.
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    Downloads: 12 This Week
    Last Update:
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  • 23
    chmProcessor: Word/HTML to CHM converter

    chmProcessor: Word/HTML to CHM converter

    MS Word / HTML to CHM / Web Help converter

    A tool to generate compiled help files (CHM) and Java Help files from MS Word or HTML files. It splits the document on different topics pages by the "titles" sections. It can too generate a web site, a PDF and a XPS with the help content.
    Downloads: 3 This Week
    Last Update:
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  • 24
    The main goal of the Office Binary (doc, xls, ppt) Translator to Open XML Project is to create software tools, plus guidance, showing how a document written using the Binary Formats (doc, xls, ppt) can be translated to Office Open XML.
    Downloads: 3 This Week
    Last Update:
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  • 25
    A Modular Communications Suite developed in Visual Basic .NET and Visual C# .NET 2005. NOTICE: THIS REQUIRES VISUAL STUDIO 2005 EXPRESS COMPONENTS AND THE .NET 2.0 FRAMEWORK
    Downloads: 10 This Week
    Last Update:
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