Open Source TypeScript Data Formats Software
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TypeScript Data Formats Software
View related business solutionsBrowse free open source TypeScript Data Formats Software and projects below. Use the toggles on the left to filter open source TypeScript Data Formats Software by OS, license, language, programming language, and project status.
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Better BibTeX for Zotero
Make Zotero effective for us LaTeX holdouts
Better BibTeX (BBT) is a plugin for Zotero and Juris-M that makes it easier to manage bibliographic data, especially for people authoring documents using text-based toolchains (e.g. based on LaTeX / Markdown). Zotero does all its work in UTF-8 Unicode, which is absolutely the right thing to do. Unfortunately, for those shackled to BibTeX and who cannot (yet) move to BibLaTeX, unicode is a major PITA. Also, Zotero supports some simple HTML markup in your items that Bib(La)TeX won’t understand. -
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GenOffice
An AI-native office suite for macOS and Windows
GenOffice is an AI-native desktop office suite for macOS and Windows built as five Electron applications sharing a common engine layer. It provides dedicated editors for Word documents, Excel spreadsheets, PowerPoint presentations, and PDFs, plus a shell that hosts the suite. AI editing is integrated directly into document state instead of being limited to a separate chatbot. Documents support block-level edits and diffs, while sheets, slides, and PDFs expose their state to a tool-calling agent. The suite uses specialized engines for DOCX, XLSX, PPTX, and PDF parsing, rendering, editing, and export. Its round-trip design applies narrow patches so untouched portions of original files remain intact. Shared packages provide agent logic, model streaming, search, internationalization, project storage, and interface components. -
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Nativefier
Make any web page a desktop application
Tired of having to search through numerous open tabs on your browser just to view a web page that you regularly view? Make things easier and more convenient for yourself with Nativefier! Nativefier is a command-line tool that easily creates a desktop app for any web site with minimal configuration. It creates an Electron (which uses Chromium under the hood) based native wrapper in an OS executable (.app, .exe, etc) for use on Windows, macOS and Linux. Using Nativefier is absurdly simple. Just type in: nativefier "web site address" to create a native desktop app for your chosen web site, and Nativefier does the rest. It will automatically retrieve the app icon and name, which you can overwrite. -
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JSONView
A web extension that helps you view JSON documents in the browser
A web extension that helps you view JSON documents in the browser. Normally when encountering a JSON document (content type application/json), Firefox simply prompts you to download the view. With the JSONView extension, JSON documents are shown in the browser similar to how XML documents are shown. The document is formatted, highlighted, and arrays and objects can be collapsed. Even if the JSON document contains errors, JSONView will still show the raw text. JSONView is a Web extension compatible with Firefox and Google Chrome that helps you view JSON documents in the browser. Once you've got JSONView installed, check out the example JSON file to see the extension in action! If you'd like to contribute to JSONView but don't want to code, consider contributing a translation. Copy the existing localization files from src/_locale and fill them in for your own language, then send a pull request. You can do it all from the GitHub interface. There's not many strings to translate! -
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html2canvas
A JavaScript HTML screenshot renderer
html2canvas is a JavaScript HTML renderer. The script provides you with the tools to take screenshots of webpages directly on the browser. The screenshot is based on the DOM and therefore, it may not be 100% accurate to the real representation, given that it is not an actual screenshot, but a type of screenshot built based on the available data and information of the page. The script renders such page as a canvas image, by reading the DOM and the different styles of the featured elements. It doesn't require rendering from the server, given that the image is created on the user's browser. However, as it is heavily dependent on the browser, the library is not to be used in nodejs. It can't circumvent any browser content policy restrictions and to render cross-origin content a proxy will be needed to get the content to the same origin. -
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Editor.js
A block-style editor with clean JSON output
Editor.js is an open-source text editor offering a variety of features to help users create and format content efficiently. It has a modern, block-style interface that allows users to easily add and arrange different types of content, such as text, images, lists, quotes, etc. Each Block is provided via a separate plugin making Editor.js extremely flexible. Editor.js outputs clean JSON data instead of heavy HTML markup. Use it in the Web, iOS, Android, AMP, Instant Articles, speech readers, and AI chatbots, everywhere. Easy to sanitize, extend, and integrate with your logic. -
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browser-compat-data
This repository contains compatibility data for Web technologies
The browser-compat-data ("BCD") project contains machine-readable browser (and JavaScript runtime) compatibility data for Web technologies, such as Web APIs, JavaScript features, CSS properties, and more. Our goal is to document accurate compatibility data for Web technologies, so web developers may write cross-browser compatible websites more easily. BCD is used in web apps and software such as MDN Web Docs, CanIUse, Visual Studio Code, WebStorm and more. -
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HTML Anything
The agentic HTML editor
HTML Anything is an agentic HTML editor that helps local AI agents generate polished HTML artifacts across multiple content formats. It is built for workflows where the user describes a desired output and the agent writes the HTML that can then be previewed, edited, and shipped. The project supports a wide surface area, including magazine layouts, decks, posters, social posts, prototypes, and data-oriented artifacts. It emphasizes local-first creation, reusable design skills, and practical export paths rather than a closed hosted editor model. The repository uses modern web technologies and is positioned as a flexible creative workspace for agent-assisted design. Its value is in turning AI-generated HTML into usable visual deliverables without forcing every project into a traditional design tool. -
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PeerJS
Simple peer-to-peer with WebRTC
PeerJS wraps the browser's WebRTC implementation to provide a complete, configurable, and easy-to-use peer-to-peer connection API. Equipped with nothing but an ID, a peer can create a P2P data or media stream connection to a remote peer. To broker connections, PeerJS connects to a PeerServer. Note that no peer-to-peer data goes through the server. The server acts only as a connection broker. If you don't want to run your own PeerServer, we offer a free cloud-hosted version of PeerServer. PeerServer is open source and is written in node.js. You can easily run your own. PeerJS simplifies peer-to-peer data, video, and audio calls. Add the PeerJS client library to your webpage. The Peer object is where we create and receive connections. PeerJS uses PeerServer for session metadata and candidate signaling. Every Peer object is assigned a random, unique ID when it's created. -
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Typia
Super-fast/easy runtime validations and serializations
Super-fast/easy runtime validations and serializations through transformation. -
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i18n-manager
Translation management app
Translation management app. This app was developed with the objective to help the developers manage the app translations. -
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JSON Hero
JSON Hero is an open-source, beautiful JSON explorer for the web
JSON Hero is a beautiful and powerful JSON viewer designed for developers who work with large and complex JSON files. It runs as a web-based interface (and as a standalone app) that provides semantic, interactive rendering of JSON content, helping users understand the structure and meaning of data at a glance. JSON Hero automatically detects data types such as URLs, dates, colors, and base64 images, and presents them in meaningful ways. It’s designed for productivity and readability, with dark mode support, quick navigation, and collaboration features. -
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PDF-LIB
Create and modify PDF documents in any JavaScript environment
Create and modify PDF documents in any JavaScript environment. Create PDF documents from scratch, or modify existing PDF documents. Draw text, images, and vector graphics. Embed your own fonts. Even embed and draw pages from other PDFs. Written in TypeScript and compiled to pure JavaScript with no native dependencies. Works in any JavaScript runtime, including browsers, Node, Deno, and even React Native. Add, insert, and remove pages. Split a single PDF into separate ones. Or merge multiple PDFs into a single document. Create new forms or fill and read existing fields. Checkboxes, buttons, radio groups, dropdowns, option lists, and text fields are all supported. If you aren't using a package manager, UMD modules are available on the unpkg and jsDelivr CDNs. Note that only some PDF readers can view attachments. This includes Adobe Reader, Foxit Reader, and Firefox. If you are using the CDN scripts in production, you should include a specific version number in the URL. -
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conf
Simple config handling for your app or module
All you have to care about is what to persist. This module will handle all the dull details like where and how. It does not support multiple processes writing to the same store. I initially made this tool to let command-line tools persist some data. -
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BSON parser
BSON Parser for node and browser
BSON parser is the core JavaScript implementation of BSON (Binary JSON), the data format used by MongoDB to represent documents on the wire and in storage. It provides encoding and decoding capabilities so JavaScript environments like Node.js and browsers can serialize rich data structures (including types not native to JSON) into the compact, efficient BSON binary representation used by MongoDB drivers and servers. Value types such as ObjectId, Binary, UTC datetime, Decimal128, and Long are provided as first-class objects, enabling precise representation of data that would otherwise be lossy or awkward in plain JSON. js-bson is designed for performance, with optimized algorithms for reading and writing binary data, minimizing overhead in database operations. Because it’s a foundational building block for MongoDB drivers in JavaScript, the library ensures consistency and compatibility between client applications and the MongoDB server. -
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LTEX Extension for VS Code
LTeX: Grammar/spell checker for VS Code using LanguageTool
LTEX provides offline grammar checking of various markup languages using LanguageTool (LT). LTEX can be used standalone as a command-line tool, as a language server using the Language Server Protocol (LSP), or directly in various editors using extensions. LTEX currently supports BibTEX, ConTEXt, LATEX, Markdown, Org, reStructuredText, R Sweave, and XHTML documents. A classic use case of LTEX is checking scientific LATEX papers. -
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Spectral
A flexible JSON/YAML linter for creating automated style guides
An open-source API style guide enforcer and linter. Why write API Style Guides as lengthy manifestos when you could automate them? Make sure APIs are secure, consistent, and useful. Spectral is open-source but is also baked into Stoplight, with extensions for VS Code and other integration options, giving you real-time feedback wherever you design APIs. Spectral can be used as a generic ruleset engine on any JSON or YAML data but was built with OpenAPI, AsyncAPI, and JSON Schema in mind. Use Spectral rules to target API descriptions for quality improvement or enforce API Style Guide rules, such as naming conventions for OpenAPI models or prohibiting integers in URLs. -
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WebF
Build flutter apps with HTML/CSS and JavaScript.
WebF (Web on Flutter) is a W3C standards-compliant web rendering engine based on Flutter, allowing web applications to run natively on Flutter. W3C Standards Compliant: WebF uses HTML/CSS and JavaScript to render content on Flutter, achieving 100% consistency with browser rendering. Front-End Framework Supports: As WebF is W3C standards compliant, it can be used with many front-end frameworks, such as React, Vue. Expand your Web App with Flutter: WebF is fully customizable. You can define a customized HTML element with Flutter Widgets and use it in your application or add a JavaScript API for any Dart library from pub.dev registry. Web Development Experience. WebF supports inspecting DOM structure, CSS styles and debugging JavaScript with Chrome DevTools, providing a browser-like web development experience. Write Once, Run Anywhere: With the power of WebF, You can write your web application and run it on any device that Flutter supports. -
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Doctrine JSON ODM
An object document mapper for Doctrine ORM using JSON
An Object-Document Mapper (ODM) for Doctrine ORM leveraging new JSON types of modern RDBMS. Did you ever dream of a tool creating powerful data models mixing traditional, efficient relational mappings with modern schema-less and NoSQL-like ones? With Doctrine JSON ODM, it's now possible to create and query such hybrid data models with ease. Thanks to modern JSON types of RDBMS, querying schema-less documents is easy, powerful and fast as hell (similar in performance to a MongoDB database)! You can even define indexes for those documents. Doctrine JSON ODM allows to store PHP objects as JSON documents in modern, dynamic columns of an RDBMS. It works with JSON and JSONB columns of PostgreSQL (>= 9.4) and the JSON column type of MySQL. -
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Happy DOM
Happy DOM is a JavaScript implementation of a web browser
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML. The goal of Happy DOM is to emulate enough of a web browser to be useful for testing, scraping web sites, and server-side rendering. Happy DOM focuses heavily on performance and can be used as an alternative to JSDOM. Happy DOM now supports Declarative Shadow DOM which can be used for server-side rendering of web components. This package makes it possible to use Happy DOM with Jest. -
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Obsidian Latex Suite
Make typesetting LaTeX as fast as handwriting through snippets & text
A plugin for Obsidian that aims to make typesetting LaTeX math as fast as handwriting. -
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Welcome to node-html-to-image
A Node.js module that generates images from HTML
This module exposes a function that generates images (png, jpeg) from HTML. It uses a puppeteer in headless mode to achieve it. Additionally, it embarks Handlebars to provide a way to add logic to your HTML. When you install Puppeteer, it downloads a recent version of Chromium (~170MB Mac, ~282MB Linux, ~280MB Win) that is guaranteed to work with the API. node-html-to-image takes a screenshot of the body tag's content. If you want to set output image's resolution you need to set its dimension using CSS. Handlerbars is a templating language. It generates HTML from a template and an input object. In the following example we provide a template to node-html-to-image and a content object to fill the template. -
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htmlparser2
The fast & forgiving HTML and XML parser
The fast & forgiving HTML and XML parser. htmlparser2 is the fastest HTML parser, and takes some shortcuts to get there. If you need strict HTML spec compliance, have a look at parse5. htmlparser2 itself provides a callback interface that allows the consumption of documents with minimal allocations. While the Parser interface closely resembles Node.js streams, it’s not a 100% match. Use the WritableStream interface to process a streaming input. -
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tslog
Universal Logger for TypeScript and JavaScript
Powerful, fast, and expressive logging for TypeScript and JavaScript. Every incoming log message runs through a number of steps before being displayed or handed over to a "transport". Every step can be overwritten and adjusted. By default, tslog is optimized for the best developer experience and includes some default settings that may impact performance in production environments. -
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Ajv JSON schema validator
The fastest JSON schema Validator
Security and reliability for JavaScript applications. Ensure your data is valid as soon as it's received. Instead of having your data validation and sanitization logic written as lengthy code, you can declare the requirements to your data with concise, easy to read and cross-platform JSON Schema or JSON Type Definition specifications and validate the data as soon as it arrives to your application. TypeScript users can use validation functions as type guards, having type level guarantee that if your data is validated, it is correct. Ajv was designed at the time when there were no validators fully complying with JSON Schema specification, aiming to achieve the best possibly validation performance via just-in-time compilation of JSON schemas to code. Ajv achieved both speed and rigour, but initially security was an afterthought, many security flaws have been fixed thanks to the reports from its users.