Our great sponsors
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https://github.com/Linen-dev/linen.dev/tree/main/apps/web
We're in the process of moving components out in to their own package so they can be shared between different clients. https://github.com/Linen-dev/linen.dev/tree/main/packages
We use next js but is in the process of migrating the backend code to a node service
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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apollo-server
🌍 Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.
For backend and general typescript knowledge, I’d highly recommend Apollo GraphQL: https://github.com/apollographql/apollo-server
Check out their apollo-server and apollo-client repos. It’s a very useful codebase to be knowledgeable about. This is something you should mention in an interview as a strong positive if the company wants graphql experience.
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mattermost-webapp
Discontinued Archived web app of Mattermost. Moved to the monorepo: https://github.com/mattermost/mattermost
I don't know about the quality, but Mattermost is in TS: https://github.com/mattermost/mattermost-webapp
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This could be a good place https://create.t3.gg (understanding all the code generation would be useful, but also you can deep dive into any one of the type safe libraries).
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You should check out https://github.com/medusajs/medusa
It’s an open source commerce engine built in Node w. TypeScript. The domain is fairly easy to wrap your head around and the architecture and code quality are often praised.
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Nest
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
I've found NestJs to be a very thoughtful application framework. I'd argue it demonstrates pro-level typescript coding.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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awesome-typescript
A collection of awesome TypeScript resources for client-side and server-side development. Write your awesome JavaScript in TypeScript
This could be a good learning resource, a collection of client & server-side TypeScript projects.
Awesome TypeScript - https://github.com/dzharii/awesome-typescript
And here's a list of projects on GitHub tagged with the topic "TypeScript", sorted by most stars. Many build tools I see on the first page, starting with the TypeScript compiler itself - so it may not be so suitable for study purpose.
https://github.com/topics/typescript
You might enjoy learning from some books too.
The TypeScript Handbook - https://www.typescriptlang.org/docs/handbook/intro.html
TypeScript Deep Dive - https://basarat.gitbook.io/typescript/
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Outline
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
Outline: https://github.com/outline/outline
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A lot of the Python standard library is written in Python and a good way to see ideomatic Python code. https://github.com/python/cpython/tree/main/Lib
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tRPC, because you can learn a lot of type-inference tricks using generics and proxies
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I definitely wouldn’t say it’s the “best” open source project but my side project https://github.com/codeamigo/codeamigo is a full stack project written in TypeScript and I’m happy to answer any questions you have about it. Full project here: https:/:codeamigo.dev
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I'm part of the team that maintains a digital wallet browser extension with a really clean codebase — check it out.
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n8n
Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.
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appsmith
Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
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Directus
The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.
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budibase
Budibase is an open-source low code platform that helps you build internal tools in minutes 🚀
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It's not popular, but I'm very proud of my ADT library I'm working on. https://github.com/schwartzworld/schtate
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Depends whether you actually want to learn TypeScript or just how to consume it. More than 90% of TypeScript code I've seen is not actually taking advantage of TypeScript's static analysis capabilities to write safer more scalable code and is instead just being used as glorified autocomplete.
If you actually want to leave, then take a look at the implementation for stuff like Zod: https://github.com/colinhacks/zod/tree/master/src/helpers
You can do some really powerful stuff that hugely benefits your team. A decent example I stumbled across recently when I went to release my own library (that does the same thing) is https://github.com/leancodepl/ts-routes
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Depends whether you actually want to learn TypeScript or just how to consume it. More than 90% of TypeScript code I've seen is not actually taking advantage of TypeScript's static analysis capabilities to write safer more scalable code and is instead just being used as glorified autocomplete.
If you actually want to leave, then take a look at the implementation for stuff like Zod: https://github.com/colinhacks/zod/tree/master/src/helpers
You can do some really powerful stuff that hugely benefits your team. A decent example I stumbled across recently when I went to release my own library (that does the same thing) is https://github.com/leancodepl/ts-routes
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How about a different approach. Instead doing more of the same, branch out in to a different language. Elm, for example. [0]
Elm specifically will teach you lots on the static types end of things. And it will only take a weekend or so of tinkering to show improvements in your TS life.
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Sharetribe
Sharetribe Go is Sharetribe's old source-available marketplace software, which was also available as a hosted SaaS product. Sharetribe Go is no longer actively maintained.
This is such a valuable question for other languages too. I wonder if there's a repo/resource listing such projects..
I asked a similar question about ruby some time ago, and came across one good recommendation (https://github.com/sharetribe/sharetribe), but would love to have many more. I'm also self-taught and feel I haven't read enough great ruby code!
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Hasura
Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.
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This one is good, it's the backend of a game server: https://github.com/wight-airmash/ab-server
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taxonomy
An open source application built using the new router, server components and everything new in Next.js 13.
https://github.com/shadcn/taxonomy has been very useful for me learning the new Next.js 13 app/ React Server Components in Typescript.
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I started working on a project to solve this exact issue https://github.com/mburst/protomolecule. I haven't spent too much time building out other frameworks, but the first framework is React + Express which fits what you're looking for
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https://github.com/type-challenges/type-challenges
The type challenges are a great thing to learn with. Admittedly, they're a bit intense but it's a great way to "expand your awareness".
As a shameless self plug, I'm participating in a 140-day long project to do them all (complete with video explanations) that just started yesterday, if you wanna follow along: https://github.com/type-challenges/type-challenges/issues/21...
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
