TypeScript Demo

Open-source TypeScript projects categorized as Demo
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Top 23 TypeScript Demo Projects

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  1. react-diagrams

    a super simple, no-nonsense diagramming library written in react that just works

  2. SaaSHub

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  3. opentelemetry-demo

    This repository contains the OpenTelemetry Astronomy Shop, a microservice-based distributed system intended to illustrate the implementation of OpenTelemetry in a near real-world environment.

    Project mention: Oncall isn't supposed to be this hard | dev.to | 2026-06-02

    You can play around with such a well-configured setup here.

  4. ossinsight

    Analysis, Comparison, Trends, Rankings of Open Source Software, you can also get insight from more than 10 billion with natural language (powered by LLM). Follow us on Twitter: https://twitter.com/ossinsight

  5. simplex-noise.js

    A fast simplex noise implementation in Javascript / Typescript.

  6. detect-gpu

    Classifies GPUs based on their 3D rendering benchmark score allowing the developer to provide sensible default settings for graphically intensive applications.

  7. pingcrm-react

    ⚛️ Ping CRM React - A demo app to illustrate how Inertia.js works with Laravel and React.

  8. Kaetram-Open

    Kaetram is an open-source 2D HTML5 MMORPG. It is an extended version of BrowserQuest (BQ).

  9. truthy

    Open source headless CMS API written using NestJS, that has pre built modules like User Management, Role Management, Permission Management, Email Module, Account Settings, OTP, Throttling, RBAC support, Localization, and many more.

  10. virtual-background

    Demo on adding virtual background to a live video stream in the browser (by Volcomix)

  11. wasi-fs-access

    This is a demo shell powered by WebAssembly, WASI, Asyncify and File System Access API.

  12. geopackage-js

    GeoPackage JavaScript Library

    Project mention: How it feels to write a GPKG library in 2026 (in Rust!) | dev.to | 2026-01-23

    There are a lot of existing libraries to deal with GeoPackage (GPKG). GDAL is the undisputed champion of the geospatial world. If your target is web browsers, there is GeoPackage JS. Rust? We have gpkg-rs! But, unfortunately, sometimes you still have to write your own one for various reasons.

  13. ng-doc

    📃 The documentation engine for Angular projects

  14. pg-promise-demo

    :eyeglasses: Advanced example of using pg-promise

  15. ngx-joyride

    Angular Joyride/Tour library

  16. vscode-demo-time

    A Visual Studio Code extension to help you script your demos

    Project mention: ReactJS Day 2025: TanStack Start & Real World Experiences | dev.to | 2025-10-20

    My talk was relatively easy, I had my slides, all demos prepared on vscode (thanks Elio for Demo Time, such an amazing tool for speakers) but showing up with a spontaneous and unprepared lighting talk, sharing about a real world experience, is just something else.

  17. angular-star-rating

    Star Rating Angular Component written in typescript, based on css only techniques.

  18. instldraw

    Team-oriented tldraw built w/ InstantDB

  19. rwa-faunadb-reaflow-nextjs-magic

    Real-world app example - Real-time Editor, using FaunaDB (realtime stream), Reaflow (graph editor), Next.js framework and a bit of Magic (auth)!

  20. vue-custom-element-example

    An example on how to define custom elements using Vue 3

  21. bpmn-visualization-examples

    Examples of use of the bpmn-visualization library.

  22. react-admin-helpdesk

    An example react-admin app simulating a help desk UI for support agents

  23. story-tab

    ⚡ Create demo components in a zap

  24. gaming-leaderboard-demo

    Learn how to use ScyllaDB to generate a monstrously fast leadearboard for your application!

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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TypeScript Demo related posts

  • From Zero to SDF Editor Beta: How I Used AI to Force My Dream Project Out of the Prototype Stage. What I learned?

    2 projects | dev.to | 9 Jan 2026

  • ReactJS Day 2025: TanStack Start & Real World Experiences

    1 project | dev.to | 20 Oct 2025

  • Show HN: PromptProof – CI gate for LLM outputs (schema/regex/cost; no API keys)

    1 project | news.ycombinator.com | 23 Aug 2025

  • Demo Time – Automate and Polish Your Live Code Presentations

    1 project | news.ycombinator.com | 23 Jun 2025

  • Demo Time v1.1.0 Released: Now with Animations and Mermaid Diagrams!

    1 project | dev.to | 11 Apr 2025

  • Team-oriented tldraw built with InstantDB

    1 project | news.ycombinator.com | 18 Feb 2025

  • New Frontend Framework?

    4 projects | dev.to | 19 Aug 2024
  • A note from our sponsor - SaaSHub
    www.saashub.com | 16 Jun 2026
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Index

What are some of the best open-source Demo projects in TypeScript? This list will help you:

# Project Stars
1 react-diagrams 9,401
2 opentelemetry-demo 3,144
3 ossinsight 2,435
4 simplex-noise.js 1,826
5 detect-gpu 1,197
6 pingcrm-react 778
7 Kaetram-Open 685
8 truthy 595
9 virtual-background 516
10 wasi-fs-access 347
11 geopackage-js 331
12 ng-doc 321
13 pg-promise-demo 285
14 ngx-joyride 246
15 vscode-demo-time 243
16 angular-star-rating 219
17 instldraw 106
18 rwa-faunadb-reaflow-nextjs-magic 89
19 vue-custom-element-example 66
20 bpmn-visualization-examples 65
21 react-admin-helpdesk 62
22 story-tab 56
23 gaming-leaderboard-demo 52

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