Javascript remains to be the top choice for developers worldwide to build production-ready apps and this article has curated 25 repositories that showed great potential in 2024 and will certainly flourish in 2025.
The AI and LLM tools covered include Composio, the integration platform for AI agents; Vercel AI SDK for building AI Web Apps in Typescript; LangGraph JS which lets you build complex AI workflows using a graph-based approach; CopilotKit which adds an AI copilot to your web apps; and LanceDB which is a performant vector database for AI apps.
The Frameworks and Build tools section covers Encore, the developer-first backend framework with automated infrastructure; HTMX, the HTML-extended framework for dynamic web apps without JS; Valtown which is a social computing platform for running serverless JavaScript; among others.
The Real-Time and Event-Driven Systems category features Socket.io, the bidirectional real-time communication library for web apps; Feathers.js, the real-time API framework for modern applications; and RabbitMQ, the robust message broker for distributed systems, among others.
The Developer Experience and Testing section covers popular test frameworks like Vitest and Jest, along with tools that include Prettyier, Puppeteer, and Playwright.
Lastly, the Design Components and UI category includes tools like Shadcn-UI, Radix Themes, Daisy UI, Vanilla Extract, and Ark UI, all of which simplify the UI design process with their distinctive features.