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Top 23 TypeScript open-source Projects
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Docusaurus is a powerful static site generator built by Meta and designed specifically for documentation websites. Itβs React-based, which means you get a lot of flexibility in how you customize your site, and it comes with features that make API documentation much easier to manage:
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InfluxDB
InfluxDB β Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Project mention: Streamlining Scheduling: Integrating Cal.com with SvelteKit & Svelte 5 | dev.to | 2025-05-31
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payload
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.
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spacedrive
Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.
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This is hand-wavey, but that can't be true: less complex type systems manage to express all kinds of interfaces correctly all the time.
You're asking me to tell on my coworkers, and I'm too loyal to throw them under the bus :)
Well, OK, here's one, but I'll keep it as blameless as possible. We had a thing where we wanted to register some event handlers. The primary use of these event handlers was to run a selector, and if the selected data changed, trigger an update, passing the selected data along. The initial implementation used existential types to store a list of callbacks, each returning different selected data. The "driver" then did the equality checking and update triggering. We later changed this, so that the callbacks - as far as the driver was concerned - all returned `void`, eliminating the need for an existential type. We just had to move the equality checking and update triggering inside the callbacks.
Some features are straightforward translations: anywhere you have overloading and/or optional arguments you can (and often should) simplify by refactoring into multiple functions.
For a concrete, public example...well, I remember the Uppy library had a lot of stuff like this. A lot of work goes into making it's "Plugin" interface look the way it does (start at [1] and keep reading I guess), and while I haven't sat down and re-engineered it I don't think it needs to be this way, if you're willing to give up some of the slickness of the interface.
[1] https://github.com/transloadit/uppy/blob/main/packages/%40up...
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Website: https://twenty.com
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continue
β© Create, share, and use custom AI code assistants with our open-source IDE extensions and hub of models, rules, prompts, docs, and other building blocks
It's a fork of Continue, so you can basically just compare the features to Aider here: https://github.com/continuedev/continue
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budibase
Budibase is an open-source low code platform that helps you build internal tools in minutes π
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Project mention: Anthropic co-founder on cutting access to Windsurf | news.ycombinator.com | 2025-06-05
Void is basically the same thing, but open source and better. It's easy to use with any provider API key, even LM Studio for local models. You can use it with free models available from OpenRouter to try it out, but the quality of output is just as dependent on the model as any other solution.
https://voideditor.com/
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signoz
SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. π₯ π₯. π Open source Application Performance Monitoring (APM) & Observability tool
Project mention: CI/CD Observability with OpenTelemetry Step by Step Guide | news.ycombinator.com | 2025-06-15 -
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dub
The modern link attribution platform. Loved by world-class marketing teams like Twilio, Buffer, Framer, Perplexity, Vercel, and more.
Project mention: Build natural language filters for real-time analytics dashboards | dev.to | 2025-04-10Alternatively, check out Dub.co, an open source shortlink platform. They have a nice "Ask AI" that you can use for reference. Here's the repo.
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CopilotKit
React UI + elegant infrastructure for AI Copilots, AI chatbots, and in-app AI agents. The Agentic last-mile πͺ
Project mention: Show HN: Ikuyo a Travel Planning Web Application | news.ycombinator.com | 2025-06-11Friend (co-worker) had a similar ideas around travel management and he built this.
Fully open sourced https://github.com/CopilotKit/CopilotKit/tree/main/examples/...
In case you find it useful.
https://examples-coagents-ai-travel-app-git-main-copilot-kit...
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typescript-book
:books: The definitive guide to TypeScript and possibly the best TypeScript book :book:. Free and Open Source πΉ
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personal-security-checklist
π A compiled checklist of 300+ tips for protecting digital security and privacy in 2024
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Project mention: QuickRecorder(macOS): open-source, lightweight, high-performance screen recorder | news.ycombinator.com | 2025-01-24
This works great and is replacing Kap[1] for me.
[1] https://getkap.co/
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Project mention: Infisical: Open-source platform for secrets management, PKI, and SSH access | news.ycombinator.com | 2025-06-18
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GitHub: wasp-lang/wasp
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langfuse
πͺ’ Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. πYC W23
I have been spending a lot of time exploring AI Coding Assistants like Amazon Q Developer to see how they can help open source developers, and Ricardo Tasso came up with a great example in how he is using Q Developer to generate deployment configurations for Kubernetes. He has written this up in his post, Creating Deployment Configurations for EKS with Amazon Q so go check it out (you can get started with Amazon Q Developer for free by registering your Builder ID here). Langfuse is an open source LLM engineering platform that helps teams collaboratively develop, monitor, evaluate, and debug AI applications. AWS Community Builder Matsuda shows you how you can deploy this, using CDK to make it simple. If this sounds like something you are interested in, go read the post Self-Hosting Langfuse v3 on AWS Using CDK.
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Project mention: 15 Open-Source Projects to Replace Popular SaaS Tools & Apps π¨βπ»π₯ | dev.to | 2025-01-13
π©βπ» GitHub link | β 9.7K stars | π» Website link
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open-saas
A free, open-source SaaS app starter for React & Node.js with superpowers. Full-featured. Community-driven.
Project mention: From 0 to 10K β: How Open SaaS became the Free Boilerplate Devs Love | dev.to | 2025-04-29BTW, if you have any feature requests, please let us know by creating an issue or a discussion on GitHub.
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Vue Storefront
Alokai is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast & scalable ecommerce frontends. It guides merchants to deliver exceptional customer experiences quickly and easily.
Project mention: 25 Project Ideas from Beginner to Advanced with Open Source Contributions | dev.to | 2024-11-13View on GitHub
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TypeScript open-source discussion
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Show HN: BewCloud (a simpler Nextcloud alternative) v2.1.0 with SSO and MFA
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Show HN: BewCloud (a Nextcloud alt) supported by NLnet and 700 stars on GitHub [video]
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Show HN: Ikuyo a Travel Planning Web Application
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Mistral Code
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Streamlining Scheduling: Integrating Cal.com with SvelteKit & Svelte 5
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Sustainable Funding for Open Source: Navigating Challenges and Emerging Innovations
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A note from our sponsor - SaaSHub
www.saashub.com | 23 Jun 2025
Index
What are some of the best open-source open-source projects in TypeScript? This list will help you:
# | Project | Stars |
---|---|---|
1 | Docusaurus | 60,399 |
2 | cal.com | 36,707 |
3 | payload | 35,645 |
4 | spacedrive | 34,636 |
5 | Uppy | 29,903 |
6 | Twenty | 28,302 |
7 | continue | 27,184 |
8 | budibase | 24,776 |
9 | void | 23,781 |
10 | signoz | 22,463 |
11 | postiz-app | 21,924 |
12 | dub | 21,724 |
13 | CopilotKit | 21,310 |
14 | typescript-book | 21,208 |
15 | personal-security-checklist | 18,780 |
16 | Kap | 18,647 |
17 | infisical | 18,009 |
18 | wasp | 17,202 |
19 | langfuse | 12,711 |
20 | notesnook | 12,146 |
21 | open-saas | 11,279 |
22 | documenso | 11,083 |
23 | Vue Storefront | 10,810 |