AI · alternatives · 2026
24 alternatives to LangChainJS ExpressJS API Boilerplate
Get started quickly and build amazing APIs with LangChain
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. LangChainJS ExpressJS API Boilerplate launched in 2023; newer entries below may have overtaken it.
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A collection of production-ready reference architectures
2023 · github.com · its alternatives →
- 2
Build LLM apps and plug AI into your team's operations
2023 · n8n.io · its alternatives →
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LangSmith▲350Build and deploy LLM applications with confidence
2023 · langchain.com · its alternatives →
- 5
Offline-first, highly scalable foundation for your next app
2016 · github.com · its alternatives →
- 6HF
2023 · steamship.com · its alternatives →
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LLM application development, monitoring, and testing
2024 · smith.langchain.com · its alternatives →
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Langdock▲294Create, deploy, test & monitor ChatGPT plugins in minutes
2023 · langdock.com · its alternatives →
- 9
Build scalable APIs in Node.js platform
2016 · leanpub.com · its alternatives →
- 10
Production-ready Node.js TypeScript boilerplate: ESM, Vitest, ESLint, Prettier, GitHub Actions, Mise, and AGENTS.md included. - jsynowiec/node-typescript-boilerplate
2017 · github.com · its alternatives →
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Recently featured in a LangChain blog https://blog.langchain.dev/empowering-development-with-flowt... , use LLMs to construct an API first runnable workflow with an IDE experience.
2024 · github.com · its alternatives →
- 13
ExpressoTS▲80Developer-friendly TypeScript framework for server-side apps
2023 · expresso-ts.com · its alternatives →
- 14
Turn LangChains into production multi-user APIs.
2023 · steamship.com · its alternatives →
- 15
Free SaaS boilerplate (Python/PostgreSQL/ReactJS/Webpack) - saasforge/open-source-saas-boilerpate
2019 · github.com · its alternatives →
- 16
Easy to set up full-stack boilerplate project
2025 · fast-forward-dev.com · its alternatives →
- 17
Hey HN! I've been serially building AI projects for over a year, and building node + js SaaS products for over 10 years with my partner. We decided to combine everything we know about AI with our node best-practices into a code boilerplate and see if it can help anyone else! We've had a bunch of positive feedback already from early-users, and at least two SaaS products being developed right now with StartKit.AI as their base. Here's what you get! → Pre-built modules for all common AI tasks: - Chat! Everything to build a ChatGPT clone or your own chatbot. With best-practice implementations of…
2024 · startkit.ai · its alternatives →
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A lightweight boilerplate for a universal webapp based on koa, mongodb, node, vue, and webpack - yunhan0/koa-vue-fullstack
2018 · github.com · its alternatives →
- 21
One click to build backend & get all code snippets
2025 · its alternatives →
- 22
The from-scratch guide to building large language models in NodeJS.
8d ago · book.humanexperiences.io · its alternatives →
- 23PF
Hey everyone, I'm Petr. I'm excited to share LangTale Playground (https://langtale.ai/playground), a first-of-its-kind tool enabling anyone to experiment with OpenAI function calls without coding. Born out of a hackathon project, it's now a part of our broader LangTale platform aimed at tackling common developer challenges with Language Learning Models (LLM). These include prompt integration, testing and debugging, version control, auditing, and usage/cost management. Here's our tech stack: Next.js by Vercel, Tailwind CSS, OpenAI, PlanetScale's Vitess database, and the…
2023 · langtale.ai · its alternatives →
- 24
Node.js module generator/boilerplate with Babel, Jest, Flow, Documentation and more - diegohaz/nod
2018 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →