#open-source

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Open-source is a term used to describe software that is made freely available, with the source code open for anyone to view and modify. The source code is usually shared publicly on platforms such as GitHub, allowing developers to collaborate on projects and build upon each other's work. Open-source software can be used, modified, and redistributed freely, making it a great resource for developers who are looking to learn or create new projects.
How to Build Your Own Open Source Project
React Advanced Conference 2022React Advanced Conference 2022
16 min
How to Build Your Own Open Source Project
We all used open source projects every day such as npm packages, editors, web applications, and even operating systems... Have you ever thought of building one of your own? In this talk, I will share my journey building jest-preview, from when it was just a vague idea, to currently a well-adopted library to help frontend engineers write tests faster. I will share with you how to come up with an idea for a project to work on, what is the struggles you have to overcome as an author of an open source project, how to manage time efficiently, and how you get attention from engineers around the world.
The Dark Side of Open Source
Node Congress 2024Node Congress 2024
37 min
The Dark Side of Open Source
Join Feross, CEO of Socket, on a thrilling journey into the dark side of open source software. Come along for the ride as we explore the unseen risks lurking within everyday software dependencies. See firsthand how AI-driven solutions, specifically large language models, are helping us battle against malicious dependencies within the npm ecosystem. Arm yourself with the knowledge and tools to protect your codebase in this ever-evolving battle.
Peace, Love and JavaScript
Node Congress 2024Node Congress 2024
17 min
Peace, Love and JavaScript
The stability and security of open source projects can be found in the people shaping the culture as much as the code they write. The Executive Director of the OpenJS Foundation will share lessons she learned along the way on how to build trust and transparency to minimize drama and overcome challenges in the JavaScript ecosystem. She will cover critical topics such as empowering projects with open governance, building an ecosystem around a community project, and how OpenJS supports essential projects such as Node.js.
Spinnaker as a Continuous Delivery Solution for JavaScript Apps
DevOps.js Conf 2024DevOps.js Conf 2024
10 min
Spinnaker as a Continuous Delivery Solution for JavaScript Apps
Spinnaker is an open-source continuous delivery platform that provides application management and deployment to help engineering teams confidently release software changes at a high velocity. It was initially developed at Netflix and is now used by many large-scale engineering teams. In this talk, we will explore how we can leverage it to deploy JavaScript applications to multiple cloud providers in a repeatable and scalable fashion while taking advantage of its robust feature set.
Break the Race: Easy Race Condition Detection for React
React Day Berlin 2023React Day Berlin 2023
31 min
Break the Race: Easy Race Condition Detection for React
Race conditions are among some of the most challenging to detect and reproduce issues. As such they pose a significant challenge in development notably in UI. In this talk, we explore how to detect race conditions by leveraging fuzzing techniques. We walk you through discovering the real problem of race conditions and how they impact user experience. We provide you tools and examples demonstrating how to easily detect them in your daily work thanks to tests relying on fuzzing. After that talk, we hope your React code will be race conditions free or at least that you will have the right tools to help you.
Anyone Can Be an Open Source Maintainer
React Summit US 2023React Summit US 2023
7 min
Anyone Can Be an Open Source Maintainer
You don't have to be a senior React developer to create a project and open source it! I'll show you how I built an event website with React and EUI, then shared it with the world for contributions and mentored folks who helped improve it. 
React Code Reviews in Open Source: Ensuring Quality and Collaboration
React Advanced Conference 2023React Advanced Conference 2023
6 min
React Code Reviews in Open Source: Ensuring Quality and Collaboration
In this lightning talk, we will explore the significance of code reviews in open source projects, specifically within the React ecosystem. We'll discuss the benefits of code reviews for maintaining code quality, encouraging collaboration, and upholding project standards. By emphasizing effective feedback, respectful communication, and the use of relevant tools, participants will gain practical insights on conductingimpactful React code reviews. Join me to learn how code reviews can enhance the development process, encourage knowledge sharing, and contribute to the success of open source projects in the React community.
Is It the One? (How to Select an Open-Source Library?)
React Advanced Conference 2023React Advanced Conference 2023
10 min
Is It the One? (How to Select an Open-Source Library?)
As software developers, we often use open-source libraries. In this talk, I will share a few tips on selecting an open-source library and what to pay attention to when working with open-source libraries.
Rogule: Tales From the Dungeon of a Web Based Rogulelike
JS GameDev Summit 2023JS GameDev Summit 2023
19 min
Rogule: Tales From the Dungeon of a Web Based Rogulelike
Rogule is an emoji based open source online roguelike game that started life as a 7DRL game jam entry. It has now grown to around 1,500 games per day. In this talk I'll cover the weird tech (ClojureScript), the motivation, game mechanics, and the future of Rogule.
Building Team Thinking Games At Synthesis
JS GameDev Summit 2023JS GameDev Summit 2023
16 min
Building Team Thinking Games At Synthesis
Synthesis' mission is to create a generation of supercollaborators through games. Learn how we harness the power of open source game dev libraries like Pixi.js and Colyseus to build high quality multiplayer games that kids enjoy.
What We Owe to Each Other
JSNation 2023JSNation 2023
24 min
What We Owe to Each Other
Open source has won, and it's the center of gravity for our community. Whether we're contributors to open source projects, commercial product engineers, companies, developer advocates, or something else, we're all a part of this community. And we owe it to each other, and to ourselves, to leave the community better than we found it.
But how do we do that? What responsibilities do companies have to the community? Or developer advocates? Or OSS contributors? How are we failing those responsibilities, and how can we do better?
In short, what do we owe to each other? Let's find out.
Nuxt 3 Modules and Open-Source
Vue.js London 2023Vue.js London 2023
31 min
Nuxt 3 Modules and Open-Source
Nuxt modules are the de-facto way of extending our Nuxt applications with new behaviors and functionalities. Have you ever built your own? Why would you bother with hundreds of modules already out there? Let's answer those questions together and see why making your own modules in Nuxt 3 can both help you have a deeper understanding of how Nuxt works while also paving the way for you to get into open source!
Making an Open Source Library Financially Sustainable
React Day Berlin 2022React Day Berlin 2022
8 min
Making an Open Source Library Financially Sustainable
React Flow is an open source library used by thousands of developers and hundreds of companies. How do we make sure it stays alive, and also free? I’ll share some insights along our journey from open sourcing React Flow to passing the “black zero,” including findings from our user research where we spoke to some of the people who support us every month.
Lessons from Maintaining TypeScript Libraries
TypeScript Congress 2022TypeScript Congress 2022
30 min
Lessons from Maintaining TypeScript Libraries
Maintaining widely-used JS libraries is already complicated, and TypeScript adds an additional set of challenges.

Join Redux maintainer Mark Erikson for a look at some of the unique problems TS library maintainers face, and how the Redux team has handled those problems. We'll cover:

- Tradeoffs of different ways to define TS types for a library
- How to target different versions of TS, and considerations for determining the supported version range
- Migrating existing JS libraries to TS
- Differences between writing "app" types and "library" types
- Managing and versioning public types APIs
- Tips and tricks used by types from the Redux libraries
- TS limitations and possible language-level improvements
The State of XState
React Finland 2021React Finland 2021
18 min
The State of XState
Over the past few years, state machines, statecharts, and the actor model have proven to be viable concepts for building complex application logic in a clear, visual way with XState. In this talk, we'll take a peek into the future of XState, including new features in the next version, and new tools and services that will make it even easier to create and collaborate on state machines.