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Top 23 TypeScript TypeScript Projects
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n8n
n8n is a workflow automation platform for building AI-powered workflows and agents, connecting any AI model to any business system with full control over data, security, and deployment. Build visually or in code while n8n handles infrastructure from prototype to production with fully auditable executions.
Project mention: Self-hosted n8n for business: VPS cost, security, backups and GDPR | dev.to | 2026-10-02n8n — source code and licence
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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Coming from VS Code, the editor feels familiar, and I like having the AI features right there alongside my code.
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Project mention: A photo library is an identity record that happens to contain pictures | dev.to | 2026-10-04
Immich source repository: https://github.com/immich-app/immich
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Project mention: Template errors: React and Next.js vs Angular 22.2's @boundary | dev.to | 2026-10-02
It doesn't catch event handlers either. In Angular 22.2's code, an error inside a listener goes straight to the global ErrorHandler, without going through any boundary (listeners.ts). Same limit as React.
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Project mention: Why axe and jsx-a11y miss Ant Design accessibility bugs (and a GitHub Action that catches them) | dev.to | 2026-09-29
If your React app uses Ant Design, your accessibility tooling is probably giving you a false sense of safety.
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storybook
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Project mention: What is ShaadKit? A Look at My Personal Foundation for Next.js Projects | dev.to | 2026-09-23I also added Storybook because developing a component in Storybook is faster than in Next.js! This is possible thanks to Vite. When I first got to know Storybook, it honestly became very hard for me to walk away from it.
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mermaid
Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
Is this not open source enough for your purposes?
https://github.com/mermaid-js/mermaid
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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LobeHub
The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you.
Project mention: Show HN: AI Roundtable – Let 200 models debate your question | news.ycombinator.com | 2026-03-24You can set this up yourself with API keys to the corresponding providers and creating an Agent Group in https://github.com/lobehub/lobehub. Agent groups allow you to easily create a room of agents and have them discuss any of your topics. Easily make agents with types and skills, it even assists in drafting starting prompts and even team members depending what your query (and selected model) is.
You can self-host as well, but not via desktop app. Sever setup required.
Be careful of your token context, you can easily rack up costs if you leave Opus selected as the model and get lost in some rabbit hole of results.
Enjoy enjoy!
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Nest
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
Project mention: 17 Issues, 9 Years, Zero PRs: NestJS's Module-Scoped Guards Problem and How Holu Solves It | dev.to | 2026-10-01A few days ago, a new issue appeared on the NestJS repository: a developer needed to add an MCP server to their existing application, but their global APP_GUARD was breaking it. The guard covered everything — including routes they didn't own and couldn't decorate with @Public().
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ruflo
🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated
Ruflo repository -- the multi-agent orchestration platform
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Strapi
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
Instead of rendering pages on the server, a headless CMS operates solely as a database and editing dashboard. The content is entered into the editor interface and stored as raw data. Consequently, your frontend application fetches this data via APIs (GraphQL or REST) and compiles it into static files. Popular headless providers like Contentful or Strapi allow you to send this content to any device or framework, including React, Astro, mobile apps, or smart screens. As a result, developers can build bespoke interfaces using modern frontend tools while editors manage content in a familiar dashboard.
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oh-my-openagent
OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering.
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Ionic Framework
A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.
But there is a new library, built from the beginning for Signal Forms. Its name is @ng-forge/dynamic-forms. It comes with an integration of common UI libraries: Angular Material, Bootstrap, but also PrimeNG and Ionic.
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expo
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
A scanner that depends on Play services breaks on these devices. One example from outside Capacitor is expo/expo#39449, where expo-camera, a React Native library, crashed with an ActivityNotFoundException on Honor and Huawei devices because it tried to launch Google ML Kit's barcode scanning activity, which those devices don't have. For an enterprise app rolled out to a fleet of AOSP handhelds, these devices can be every install. If you distribute to Huawei users through their own store, Publish a Capacitor App on Huawei AppGallery covers the release side.
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feat(aws-lambda): add response streaming types #72417
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pretext
15KB zero-dependency TypeScript library for fast, accurate text measurement & layout — 500x faster than DOM methods
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TanStack Query
🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.
That cache/query layer is exactly what TanStack Query provides - and its Angular adapter is excellent and (yes) already signal-based. query.data(), query.isPending() are signals; no manual subscriptions. So let me get the obvious question out of the way:
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Project mention: Math.random() Is Not Random Enough. I Found It Building API Keys in a 44K-Star Repo. | dev.to | 2026-05-29
I found this in our benchmark corpus, extracted verbatim from Cal.com's Make integration setup (~44K GitHub stars):
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Project mention: Bun Rust rewrite: "codebase fails basic miri checks, allows for UB in safe rust" | news.ycombinator.com | 2026-05-15
I was a little shocked that they could get it fully working in a week to be honest. My side project is a very similar ambition (https://tsz.dev) but I am in no way claiming success. i keep adding more and more tests to ensure things works. Even after all of TypeScript's own tests pass I am finding bugs which I was totally expecting.
The bar for matching tsc's behavior is really _really_ high. see:
https://github.com/type-challenges/type-challenges/tree/main...
I'm not against using LLMs to write a lot of code. But verification should be 100x more robust now that we can output code at this rate.
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Prisma
Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
Project mention: Prisma's pgbouncer=true on Supabase made every query 4 round-trips (postmortem) | news.ycombinator.com | 2026-09-16I tried to read this article but something about the writing style made me go cross eyed. That being said, it sounded like something I had heard before and lo and behold...
Literally raised 4 years ago: https://github.com/prisma/orm/discussions/15164
I'm not sure the real intention of this blogpost, but my takeaway is "someone who has no idea what is going on finds a problem left for them, like a little code land mine".
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react
Cheatsheets for experienced React developers getting started with TypeScript (by typescript-cheatsheets)
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full-stack-fastapi-template
Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
TypeScript TypeScript discussion
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Campusly for Friend
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A browser QR scanner without BarcodeDetector or a CDN
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Weekly Website Highlight: A Social Network That Deletes Yesterday
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I built a Vue directive that turns your real component into its own skeleton
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A note from our sponsor - SaaSHub
www.saashub.com | 5 Oct 2026
Index
What are some of the best open-source TypeScript projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | n8n | 206,604 |
| 2 | Visual Studio Code | 193,356 |
| 3 | immich | 115,422 |
| 4 | Angular | 101,027 |
| 5 | antd | 99,646 |
| 6 | storybook | 91,199 |
| 7 | mermaid | 90,505 |
| 8 | LobeHub | 82,957 |
| 9 | Nest | 76,778 |
| 10 | ruflo | 73,732 |
| 11 | Strapi | 73,276 |
| 12 | oh-my-openagent | 69,743 |
| 13 | Twenty | 57,832 |
| 14 | Ionic Framework | 52,686 |
| 15 | expo | 52,560 |
| 16 | DefinitelyTyped | 51,446 |
| 17 | pretext | 50,691 |
| 18 | TanStack Query | 50,384 |
| 19 | cal.diy | 48,867 |
| 20 | type-challenges | 48,531 |
| 21 | Prisma | 47,686 |
| 22 | react | 47,095 |
| 23 | full-stack-fastapi-template | 45,843 |
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