Open Source TypeScript Text Editors
Sort By:
TypeScript Text Editors
View 79 business solutionsBrowse free open source TypeScript Text Editors and projects below. Use the toggles on the left to filter open source TypeScript Text Editors by OS, license, language, programming language, and project status.
-
One Monitoring Tool for IT, OT and Cloud | Free TrialModern infrastructure spans data centers, cloud platforms and factory floors, and every blind spot between them is a risk. PRTG supports SNMP, WMI, SSH and other standard protocols to monitor IT, OT and hybrid environments through one customizable dashboard. Build the views your team needs, from network health to application performance, without switching tools. Try PRTG free for 30 days now.
-
Cut Data Warehouse Costs by 54%BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
-
1
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. -
2
CopyTranslator
Foreign language reading and translation assistant
Copy-and-translate foreign language assisted reading and translation solution. Just copy the text to the clipboard, you can view the translation results in the next second. Solve the problem of garbled codes caused by redundant sentence breaks and line breaks, and the translation results are more in line with reading habits. Infinitely close to the system-level open source implementation of translating, drag and drop to select and copy the translation. With the update of CopyTranslator, the functions are constantly enriched, and the differences between different versions are gradually significant. Therefore, the user guides of different versions are separate. CopyTranslator monitors the clipboard changes, processes the clipboard content (such as removing redundant line breaks, etc.), and displays the translation results. Compared with copying and pasting directly to the web version, the translation effect is greatly improved. -
3
Mockoon
Run mock APIs locally, no remote deployment, no account required
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open-source. It has been built with Electron and can be used on Windows (exe), Linux (deb, rpm, Appimage, and Snap), and MacOS (dmg or brew). Get working mock REST APIs in seconds with an intuitive and easy-to-use interface. Run them everywhere with the CLI. Compatible with the OpenAPI specification, Mockoon integrates perfectly with your existing applications and API design workflow. Go beyond mocking with advanced features and tackle the most complex situation with HTTP requests recording, proxying, integration testing, etc. Mockoon offers you complete flexibility when creating your mocks: custom statuses, route and global headers, file serving or body editor, HTTPS, etc. Simulate real-life scenarios with dynamic templating and the response rules system. Test your app resilience with sequential and random responses. -
4
Zettlr
A Markdown Editor for the 21st century
Writing is an essential part of our everyday life. Why make it complicated? Zettlr redefines what writing means. It is slim, fast, and versatile. Focus on what matters to you. Publish, not perish. In modern times, getting a hold of the flood of information is almost as hard as inserting a USB drive the right way on the first attempt. Zettlr allows you to connect pieces of information using state of the art Zettelkasten methodology. Links? Check. File IDs? Check. File tagging? Also check. And the best is, unlike many competitors, Zettlr never locks you in. Zettlr supports almost every conceivable way to create links and identify your files. In other words: No matter where you come from — all Zettelkästen are beautiful and supported by Zettlr. Out of the box. Zettlr integrates well with reference managers such as Zotero, JabRef, or Juris-M. Simply load your library into Zettlr, and begin to cite. Zettlr strictly adheres to established standards and does not reinvent the wheel. -
Veeam Data Platform v13.1Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
-
5
Standard Notes App
Think fearlessly with end-to-end encrypted notes and files
Standard Notes is a free, secure note-taking app with powerful end-to-end encryption, unparalleled privacy features, and seamless cross-platform syncing on unlimited devices. Standard Notes is a secure digital notes app that protects your notes and files with audited, industry-leading end-to-end encryption. Only you have access to the keys required to decrypt your data. Write and store all your notes and files in one secure place and seamlessly access them across all your devices. Note-taking services like Evernote, Google Keep, Notion, and Simplenote cannot prevent employees and governments from reading your data. Standard Notes features advanced security and privacy controls that protect your data against hacks, data breaches, government access, and even employee access. -
6
Notable
The Markdown-based note-taking app that doesn't suck
Notes are written in Markdown, plus you can write KaTeX expressions, Mermaid diagrams and more, check out our Markdown cheatsheet. Notable provides a very powerful Markdown editor, it's the same one VS Code uses in fact, so features like multi-cursors, a minimap and best-in-class syntax highlighting are built-in. Notes and attachments are simply stored on your disk, this is extremely portable and powerful: you could edit your notes via a third-party editor on mobile, have them synchronized via Dropbox, use Git, run a regex-based search and replace etc. A dark theme is also available. In the future support for custom themes will be added as well. Zen mode provides a minimalistic editing and reading experience, hiding everything that's not necessary. Notable is also keyboard friendly, has a quick open window, and we'll soon add a command palette too, so you won't have to click any buttons if you don't want to. -
7
PanWriter
Markdown editor with pandoc integration and paginated preview
PanWriter is a distraction-free markdown editor with two unique features. Tight integration with pandoc for import/export to/from plenty of file formats (including HTML, docx, LaTeX and EPUB). Preview pane that can show pages – including page breaks etc. Layout adjustments are immediately reflected in the preview. Instead, you can write text in Markdown, a convention on how to write plain text files. Basically, it’s like you would write an email. -
8
Marker
A Desktop App for Easily Viewing and Editing Markdown Files
Marker is an open-source, user-friendly UI for writing & editing markdown files. Everything you create lives in your filesystem. -
9
Foam
A personal knowledge management and sharing system for VSCode
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub. You can use Foam for organizing your research, keeping re-discoverable notes, writing long-form content and, optionally, publishing it to the web. Foam is free, open source, and extremely extensible to suit your personal workflow. You own the information you create with Foam, and you're free to share it and collaborate on it with anyone you want. -
Already Paying for an RMM? Get 50% Off Splashtop AEMAutomated OS and third-party patching for Windows and macOS, CVE prioritization with AI patch summaries, and built-in remote control that also supports Linux. Qualifying organizations switching from another RMM get up to 50% off year one.
-
10
Simplenote for Electron
Simplenote for Web, Windows, and Linux
A Simplenote React client packaged in Electron. All your notes, synced on all your devices. Get Simplenote now for iOS, Android, Mac, Windows, Linux, or in your browser. Notes stay updated across all your devices, automatically and in real-time. There’s no “sync” button, It just works. Add tags to find notes quickly with instant searching. Share a to-do list, post some instructions, or publish your notes online. Notes are backed up with every change, so you can see what you noted last week or last month. Write, preview, and publish your notes in Markdown format. Apps, backups, syncing, sharing, it’s all completely free. Download Simplenote for any device and stay in sync, all the time, everywhere. -
11
YAML
JavaScript parser and stringifier for YAML
yaml is a definitive library for YAML, the human friendly data serialization standard. This library supports both YAML 1.1 and YAML 1.2 and all common data schemas, passes all of the yaml-test-suite tests. It can accept any string as input without throwing, parsing as much YAML out of it as it can, and supports parsing, modifying, and writing YAML comments and blank lines. The library is released under the ISC open source license, and the code is available on GitHub. It has no external dependencies and runs on Node.js as well as modern browsers. For the purposes of versioning, any changes that break any of the endpoints or APIs documented here will be considered semver-major breaking changes. Undocumented library internals may change between minor versions, and previous APIs may be deprecated (but not removed). The minimum supported TypeScript version of the included typings is 3.9; for use in earlier versions you may need to set skipLibCheck: true in your config. -
12
Milkdown
Plugin driven WYSIWYG markdown editor framework
A plugin-driven WYSIWYG markdown Editor, inspired by Typora, built on top of prose-mirror and remark. The website is designed by Meo and Mirone. Powered by Theme Nord and Material Design. A plugin driven framework to build WYSIWYG Markdown editor. -
13
Oni
Oni: Modern Modal Editing
Oni is a new kind of editor, focused on maximizing productivity - combining modal editing with features you expect in modern editors. Oni is built with neovim, and inspired by VSCode, Atom, LightTable, and Emacs. The vision of Oni is to build an editor that allows you to go from thought to code as easily as possible - bringing together the raw editing power of Vim, the feature capabilities of Atom/VSCode, and a powerful and intuitive extensibility model - wrapped up in a beautiful package. -
14
Shiki
A beautiful yet powerful syntax highlighter
A beautiful syntax highlighter based on TextMate grammar, accurate and powerful. -
15
Slate Text Editor framework
Completely customizable framework for building rich text editors
you can do things like turn a selection of text bold, or add a semantically rendered block quote in the middle of the page. The most important part of Slate is that plugins are first-class entities. That means you can completely customize the editing experience, to build complex editors like Medium's or Dropbox's, without having to fight against the library's assumptions. Slate's core logic assumes very little about the schema of the data you'll be editing, which means that there are no assumptions baked into the library that'll trip you up when you need to go beyond the most basic use cases. The document model used for Slate is a nested, recursive tree, just like the DOM itself. This means that creating complex components like tables or nested block quotes are possible for advanced use cases. But it's also easy to keep it simple by only using a single level of hierarchy. -
16
TOAST UI Editor
Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible
TOAST UI Editor provides Markdown mode and WYSIWYG mode. Depending on the type of use you want like production of Markdown or maybe just editing the Markdown. The TOAST UI Editor can be helpful for both usages. It offers Markdown mode and WYSIWYG mode, which can be switched any point in time. Today CommonMark is the de-facto Markdown standard. GFM (GitHub Flavored Markdown) is another popular specification based on CommonMark, maintained by GitHub, which is the Markdown mostly used. TOAST UI Editor follows both CommonMark and GFM specifications. Write documents with ease using productive tools provided by TOAST UI Editor and you can easily open the produced document wherever the specifications are supported. Through the context menu of the table, you can add or delete columns or rows of the table, and you can also arrange text in cells. Highlight the code block area corresponding to the language provided by Prism.js. -
17
Tolaria
Desktop app to manage markdown knowledge bases
Tolaria is a platform designed to help developers understand, refactor, and improve codebases through structured analysis and transformation workflows. It focuses on breaking down complex systems into manageable components, making it easier to identify technical debt and architectural issues. The project emphasizes clarity, maintainability, and iterative improvement of software systems. It provides tools and patterns for analyzing dependencies, restructuring modules, and improving code quality. Tolaria is particularly useful for teams working on large or legacy codebases that require systematic refactoring. Its design encourages incremental improvements rather than disruptive rewrites. The platform aligns with modern best practices in software maintainability and architecture evolution. -
18
Inkdown
A WYSIWYG Markdown editor, improve reading and editing experience
Inkdown (bluestone) is a Markdown reading, editing, and sharing tool. Almost fully compatible with the GitHub Flavored Markdown standard, while extending the Mermaid graphics and Katex formula, supporting light and dark styles, and somewhat different from other WYSIWYG editors, Inkdown does not pursue complete customization. Its core goal is comfortable reading, smooth editing of Markdown, and document sharing in the simplest way possible. As a document publisher, markdown source code mode is undoubtedly efficient and free, but as a note, it is not conducive to reading. The table element of markdown is not conducive to writing, and the double-column mode is not conducive to focusing, so the Inkdown Editor was developed. It combines rich text with markdown editing habits to help you record daily, and saves it in standard markdown format, which allows your notes to be used anywhere and backed up in any way. -
19
Hydrogen
Run code interactively, inspect data, and plot
Hydrogen is an interactive coding environment that supports Python, R, JavaScript and other Jupyter kernels. Hydrogen was inspired by Bret Victor's ideas about the power of instantaneous feedback and the design of Light Table. Running code inline and in real-time is a more natural way to develop. By bringing the interactive style of Light Table to the rock-solid usability of Atom, Hydrogen makes it easy to write code the way you want to. You also may be interested in our latest project – interact – a desktop application that wraps up the best of the web-based Jupyter notebook. Watch expressions let you keep track of variables and re-run snippets after every change. Completions from the running kernel, just like autocomplete in the Chrome dev tools. Code can be inspected to show useful information provided by the running kernel. One kernel per language (so you can run snippets from several files, all in the same namespace). -
20
Saladict
Pop-up dictionary and page translator with multiple search modes
All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching. Saladict supports mixed use of multiple search modes. Whether it be single-click, double-click, pop-up icon, hovering or keyboard shortcuts, you name it. The combination of dictionaries is dynamically adjusted according to search text and Saladict profile. Although Saladict is built for looking up English words, it also supports many other languages. Chinese (simplified and traditional), Japanese, Korean are supported with dictionaries. Other languages are supported with several machine translation services. Each dictionary is well polished to a unify style for comfortable reading experience. Built-in Google, Lingocloud and Youdao Page Translation. -
21
naval-qda
Local-first desktop app for qualitative data analysis (QDA)
NAVAL-QDA is a desktop application for qualitative data analysis (QDA). Import interview transcripts, documents, and media; code them against a hierarchical node tree; classify sources by case and attribute; write analytic memos; run text and coding queries; visualize patterns; and generate reports — all from a local Electron + React app. Key features: import .txt/.docx/.pdf plus audio/video for transcription; hierarchical coding with merge/move and percent-coded tracking; cases, attributes, and a classification sheet; memos linked to sources, cases, or nodes; text search, word frequency, coding, matrix coding, and coding-comparison queries; word cloud, hierarchy treemap, and similarity-cluster visualizations; coding reports and project summaries; and optional, opt-in AI-assisted summaries/code suggestions. Local-first: project data lives in a local SQLite database — nothing leaves your machine unless you enable the AI provider. Status: early/pre-release (v0.1.0). -
22
kindling
Free, open-source writing app that keeps your outline beside the draft
kindling is a free, open-source desktop writing app for fiction writers who outline. Each scene opens with its beats as prompts, with your characters, locations and notes close at hand, so you draft from the plan instead of a blank page. Rolling Outline lets each scene stay Fixed, Flexible or Undefined. Novels and screenplays. Import from Scrivener 3, Plottr, yWriter, Obsidian Longform, novelWriter or Markdown. Export to DOCX (Standard Manuscript Format), EPUB, HTML, plain text or Markdown, or back to Scrivener, Longform and novelWriter. New in 1.3: editorial review, an export workspace with saved profiles, writing goals and statistics, and custom shortcuts. No AI, no subscription, no account. Projects are local SQLite files and the app has no analytics or telemetry; it goes online only for updates and optional feedback. MIT licensed, for macOS, Windows and Linux. -
23
Advanced Slides for Obsidian
Create markdown-based reveal.js presentations in Obsidian
Create markdown-based reveal.js presentations in Obsidian. Advanced Slides is the perfect slide deck extension for Obsidian. -
24
Boost Note
Boost Note is a document driven project management tool
Boost Note is a document-driven project management tool that maximizes remote DevOps team velocity. Write overviews of systems including concepts, terminology definitions and descriptions of how these concepts work together. Having a 'living document' to help drive dialogue and exchange of ideas through collaboration helps this process significantly. Organize your dev team's sprint backlog and visualize them with status, assignees, reviewers, due date and everything you need. Reduce repeated progress updates in the company chat and standup meetings. It’s time to aggregate your knowledge in a single place. Build a team-wide knowledge management system to solve the information silos. Maximize the developer team's velocity with a document-centric workflow. Collaborate with your teammates in a doc with Boost Note's real-time editing. Boost Note's editor makes it easy to write a tech spec with Charts.js, Mermaid, Latex, PlantUML and so on. -
25
CleanTexttools
Open-source browser-based utility for removing markdown artifacts, hid
CleanTextTools Core is the open-source edition of CleanTextTools, a browser-based utility for cleaning text generated by ChatGPT, Claude, Gemini and other AI assistants. The Core edition helps users remove common formatting artifacts while preserving the original wording and meaning of their content. Core features include: * Remove common markdown formatting * Fix inconsistent spacing and line breaks * Remove hidden Unicode characters * Remove emojis * Copy cleaned text * Process text directly in the browser * Run locally without creating an account CleanTextTools Core is intended for developers, writers, students, marketers and professionals who need clean, paste-ready text for documents, emails, websites and productivity platforms. This SourceForge project contains the limited open-source Core edition. The complete hosted product, including additional cleaning options and platform-specific tools, is available at CleanTextTools.com.
