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.

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  • 1
    This is an RTF code emitter in MS .NET framework. Most frequently used features in MS Word are implemented, including font formatting, pictures, tables, footnotes, headers, footers, etc. No other libraries are required. LICENSE: LGPLv3 http://www.gnu.org/copyleft/lesser.html
    Downloads: 5 This Week
    Last Update:
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  • 2
    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.
    Downloads: 14 This Week
    Last Update:
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  • 3
    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.
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    Downloads: 4 This Week
    Last Update:
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  • 4
    A Java/.NET full-featured cross-platform Vietnamese Unicode text editor. Open, edit, spell check, print, convert, sort, and save Vietnamese text-based files in Unicode formats.
    Downloads: 4 This Week
    Last Update:
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  • 5
    Notes Keeper

    Notes Keeper

    A program for saving and organizing notes

    Notes Keeper 5.2.3.0 Don't you like your notes to be saved in the clouds, where you can't control. Do you like to have all your notes with you. Then you need Notes Keeper. A program for saving and organizing notes Notes Keeper will let you create notes, format them in all ways. You can add files, images, text and very basic tables to the notes. Change sentences/words cases and lock them from other people. Organize your notes with folders and tree. After you finish export your note(s) to a text file or rtf file, print it from your printer, or send it as email or attachment to you family or friends. Its free. Not like any other note taking software. feel free to report any bugs .NET 4.6 and Microsoft Visual C++ 2015 Update 3 runtime are needed to run Notes Keeper
    Downloads: 6 This Week
    Last Update:
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  • 6
    Application made with Mono 2.0, compatible with .Net Framework 2.0. It allows to load and modify xml, xsd and xsl docs and perform theirs validation, also using an embedded browser. Also, it allows to apply xsl to xml and to validate xml with xsd.
    Downloads: 10 This Week
    Last Update:
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  • 7
    A software suite for every use: audio, video, images, internet, office, and many other.
    Downloads: 9 This Week
    Last Update:
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  • 8
    Notepad--

    Notepad--

    Text Editor for editing files.

    Notepad--(Notepad Minus Minus) is a text editor, created using AvalonEdit. While it is good replacement of Notepad, NMM also offers syntax highlighting for large number of programming languages. Just require .NET 4 to run. For .NET 4 Offline Installer http://www.microsoft.com/en-in/download/details.aspx?id=17718
    Downloads: 9 This Week
    Last Update:
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  • 9
    CNote

    CNote

    A Fast Lightweight Note & Code Editor

    CNote is a fast and lightweight note/code editor, it can help you quickly create/edit notes or write code. it has all the important features you need in one place, With Live Html Preview, Python Code Execution, and more, you can find the changelog at the Github repo.
    Downloads: 8 This Week
    Last Update:
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  • 10
    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.
    Downloads: 8 This Week
    Last Update:
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  • 11
    Desktop Contacts aims to provide a lightweight, always on top set of tabs at the top of the screen that, when clicked, displays an editable contact list and quick notes. The project is written in VB.Net 2.0 and C# 2.0 (ExtendedRichTextBox control).
    Downloads: 7 This Week
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  • 12
    Chuletas / Cribr

    Chuletas / Cribr

    A powerful text processor to make cheat sheets easily

    A powerful text processor to make cheat sheets in an easy and suitable way. Text compressor, interface based in Office 2010, equation editor, real time previw & spell checker.... are some of its features. In addition, it can also works as a normal text editor, putting at your fingertips all the power of a great text editor comparable to Microsoft Word or LibreOffice, but with a much lighter installation and free of charge. In spanish speaking countries is known as Chuletas, the spanish translation of cheat sheet. In the rest of the world it's known as Cribr (from crib-sheet).
    Downloads: 2 This Week
    Last Update:
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  • 13
    Scanlationshop is an application made for making life easier for people working with scanlations (manga/visual novels); be it scanning, translating, proofing or typesetting. Idea contributions from users are almost always prioritized.
    Downloads: 2 This Week
    Last Update:
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  • 14
    Dear Diary is a password-protected text editor with features similar to WordPad that automatically encrypts the text before writing to disk. You can format text with different colors, fonts and font sizes as well as insert images into your documents.
    Downloads: 3 This Week
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  • 15
    An alternative to use when writing a Thesis. Thesistant organizes references, generates Bibliographies, has an equation editor, scratch paper, Spell Check, Find/Replace, a customizable interface, allows you to save as a PDF and much much more...
    Downloads: 3 This Week
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  • 16
    A XHTML to PDF converter: with this library, you can transform simple XHTML pages to nice and printable PDF files. This project is based on the excellent webzine article "Pdfizer, a dumb HTML to PDF converter, in C#" written by Jonathan de Halleux.
    Downloads: 5 This Week
    Last Update:
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  • 17

    Subeditor

    Simple subtitles editor.

    Downloads: 5 This Week
    Last Update:
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  • 18
    Text To Screen

    Text To Screen

    Display text on a remote display, great for song lyrics!

    TextToScreen is used to display song lyrics or recital scripts on an external monitor or projector. It has a built in text manager and editor, so it is fully contained. It was initially created for use by church choruses. One of the major features of this program is its WYSIWYG interface. You can see how the output will look like before sending it to the external display. You can import texts from external sources or write it inside of TTS. You can easily fix mistakes or add verses while displaying the text without any problems. All of the texts are stored as plain .txt files inside of a .zip archive, no proprietary formats!
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    Downloads: 5 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: 1 This Week
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  • 20
    Remove Duplicate Lines

    Remove Duplicate Lines

    Remove duplicate lines in text file

    A handy tool with graphical interface that remove/delete duplicate lines in a text file. GitHub source: https://github.com/ahmed-fathy/remove-duplicates/
    Downloads: 5 This Week
    Last Update:
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  • 21
    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: 4 This Week
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  • 22
    My Text is Treasure
    It is a simple password manager for your PC and Smartphone. It works like a text editor and uses a strong cryptography algorithm to generate the end file.
    Downloads: 2 This Week
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  • 23
    A collection of tools and utilities for .NET
    Downloads: 1 This Week
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  • 24
    OPML Creator is a forms based application written to C#. The basis of the project is to enable quick and easy manipulation of OPML files.
    Downloads: 3 This Week
    Last Update:
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  • 25
    A windows form application to convert Bangla accented English text files into unicode Bangla text files. •Development Tools: Visual C#,MS Dot(.) Net. FrameWork 2.0.
    Downloads: 3 This Week
    Last Update:
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