Best Application Development Software for LangChain
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Compare the Top Application Development Software that integrates with LangChain as of September 2026
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This a list of Application Development software that integrates with LangChain. Use the filters on the left to add additional filters for products that have integrations with LangChain. View the products that work with LangChain in the table below.
What is Application Development Software for LangChain?
Application development software is a type of software used to create applications and software programs. It typically includes code editors, compilers, and debuggers that allow developers to write, compile, and debug code. It also includes libraries of pre-written code that developers can use to create more complex and powerful applications. Compare and read user reviews of the best Application Development software for LangChain currently available using the table below. This list is updated regularly.
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1
Bright Data
Bright Data
Bright Data is the world's #1 web data, proxies, & data scraping solutions platform. Fortune 500 companies, academic institutions and small businesses all rely on Bright Data's products, network and solutions to retrieve crucial public web data in the most efficient, reliable and flexible manner, so they can research, monitor, analyze data and make better informed decisions. Bright Data is used worldwide by 20,000+ customers in nearly every industry. Its products range from no-code data solutions utilized by business owners, to a robust proxy and scraping infrastructure used by developers and IT professionals. Bright Data products stand out because they provide a cost-effective way to perform fast and stable public web data collection at scale, effortless conversion of unstructured data into structured data and superior customer experience, while being fully transparent and compliant.Starting Price: $0.066/GB -
2
Apify
Apify Technologies s.r.o.
Apify is a full-stack web scraping and automation platform helping anyone get value from the web. At its core is Apify Store, a marketplace with over 10,000 Actors where developers build, publish, and monetize automation tools. Actors are serverless cloud programs that extract data, automate web tasks, and run AI agents. Developers build them using JavaScript, Python, or Crawlee, Apify's open-source library. Build once, publish to Store, and earn when others use it. Thousands of developers do this - Apify handles infrastructure, billing, and monthly payouts. Apify Store has ready-made Actors for scraping Amazon, Google Maps, social media, tracking prices, lead-gen, and more. Actors handle proxies, CAPTCHAs, JavaScript rendering, headless browsers, and scaling. Everything runs on Apify's cloud with 99.95% uptime. SOC2, GDPR, and CCPA compliant. Integrate with Zapier, Make, n8n, and LangChain. Apify's MCP server lets AI like Claude dynamically discover and use ActorsStarting Price: $29 per month -
3
Oxylabs
Oxylabs
Oxylabs is a market leader in web intelligence with enterprise-grade, ethical, and compliant solutions. Its proxy infrastructure spans one of the largest global networks, offering residential, ISP, mobile, datacenter, & dedicated datacenter proxies, along with Web Unblocker – an AI-driven tool that ensures block-free access to even the most protected sites. On the scraping tools side, the Oxylabs Web Scraper API manages every stage of large-scale data extraction. For dynamic, bot-protected websites, the Headless Browser ensures uninterrupted access. Oxylabs also offers AI Studio, which lets users extract data without writing code. The ready-made datasets provide structured data across industries such as e-commerce, real estate, and more – for data projects without custom scraping. In short, Oxylabs offers 177M+ IPs in 195 countries & is trusted by 4000+ clients worldwide, including Fortune 500 companies. Plus, the 24/7 customer service ensures clients get support when needed.Starting Price: $4 per GB -
4
ZenRows
ZenRows
Web Scraping API & Proxy Server ZenRows API handles rotating proxies, headless browsers and CAPTCHAs for you. Easily collect content from any website with a simple API call. ZenRows will bypass any anti-bot or blocking system to help you obtain the info you are looking for. For that, we include several options such as Javascript Rendering or Premium Proxies. There is also the autoparse option that will return structured data automatically. It will convert unstructured content into structured data (JSON output), with no code necessary. ZenRows offers a high accuracy and success rate without any human intervention. No more CAPTCHAs or setting up proxies; it will be handled for you. Some domains are especially complicated (i.e., Instagram), and for those, Premium Proxies are usually required. After enabling them, the success rate will be equally high. In case the request returns an error, we will not compute nor charge that request. Only successful requests will count.Starting Price: $69/month -
5
Python
Python
The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. Whether you're new to programming or an experienced developer, it's easy to learn and use Python. Python can be easy to pick up whether you're a first-time programmer or you're experienced with other languages. The following pages are a useful first step to get on your way to writing programs with Python! The community hosts conferences and meetups to collaborate on code, and much more. Python's documentation will help you along the way, and the mailing lists will keep you in touch. The Python Package Index (PyPI) hosts thousands of third-party modules for Python. Both Python's standard library and the community-contributed modules allow for endless possibilities.Starting Price: Free -
6
Browserbase
Browserbase
Headless browsers that work everywhere, every time. Control fleets of stealth browsers to build reliable browser automation. Focus on your code with autoscaled browser instances, and best-in-class stealth features. Run hundreds of browsers with powerful resources to power uninterrupted long-running sessions. Work with headless browsers as you do with your browser with live access, replay, and full tools featuring logs and networks. Build and run undetectable automation with configurable fingerprinting, automatic captcha solving, and proxies. The best AI agents are built with Browserbase, navigating the most complex web pages, undetected. With a few lines of code, enable your AI agent to interact with any web pages, undetected and at scale. At any time, leverage the live session view feature to let humans help in completing complex tasks. Leverage Browserbase’s infrastructure to power your web scraping, automation, and LLM applications.Starting Price: $39 per month -
7
Azure App Service
Microsoft
Quickly build, deploy, and scale web apps and APIs on your terms. Work with .NET, .NET Core, Node.js, Java, Python or PHP, in containers or running on Windows or Linux. Meet rigorous, enterprise-grade performance, security and compliance requirements used a trusted, fully managed platform that handles over 40 billion requests per day. Fully managed platform with built-in infrastructure maintenance, security patching, and scaling. Built-in CI/CD integration and zero-downtime deployments. Rigorous security and compliance, including SOC and PCI, for seamless deployments across public cloud, Azure Government, and on-premises environments. Bring your code or container using the framework language of your choice. Increase developer productivity with tight integration of Visual Studio Code and Visual Studio. Streamline CI/CD with Git, GitHub, GitHub Actions, Atlassian Bitbucket, Azure DevOps, Docker Hub, and Azure Container Registry.Starting Price: $0.013 per hour -
8
Beautiful Soup
Beautiful Soup
Beautiful Soup is a library that makes it easy to scrape information from web pages. It sits atop an HTML or XML parser, providing Pythonic idioms for iterating, searching, and modifying the parse tree. Beautiful Soup's support for Python 2 was discontinued on December 31, 2020: one year after the sunset date for Python 2 itself. From this point onward, new Beautiful Soup development will exclusively target Python 3. The final release of Beautiful Soup 4 to support Python 2 was 4.9.3. Beautiful Soup is licensed under the MIT license, so you can also download the tarball, drop the bs4/ directory into almost any Python application (or into your library path) and start using it immediately.Starting Price: Free -
9
Playwright
Playwright
Playwright supports all modern rendering engines including Chromium, WebKit, and Firefox. Test on Windows, Linux, and macOS, locally or on CI, headless or headed. Playwright waits for elements to be actionable prior to performing actions. It also has a rich set of introspection events. The combination of the two eliminates the need for artificial timeouts - the primary cause of flaky tests. Playwright assertions are created specifically for the dynamic web. Checks are automatically retried until the necessary conditions are met. Configure test retry strategy, capture execution trace, videos, screenshots to eliminate flakes. Browsers run web content belonging to different origins in different processes. Playwright is aligned with the modern browsers architecture and runs tests out-of-process. This makes Playwright free of the typical in-process test runner limitations.Starting Price: Free -
10
Hyperbrowser
Hyperbrowser
Hyperbrowser is a platform for running and scaling headless browsers in secure, isolated containers, built for web automation and AI-driven use cases. It enables users to automate tasks like web scraping, testing, and form filling, and to scrape and structure web data at scale for analysis and insights. Hyperbrowser integrates with AI agents to facilitate browsing, data collection, and interaction with web applications. It offers features such as automatic captcha solving to streamline automation workflows, stealth mode to bypass bot detection, and session management with logging, debugging, and secure resource isolation. The platform supports over 10,000 concurrent browsers with sub-millisecond latency, ensuring scalable and reliable browsing with a 99.9% uptime guarantee. Hyperbrowser is compatible with various tech stacks, including Python and Node.js, and provides both synchronous and asynchronous clients for seamless integration.Starting Price: $30 per month -
11
ScrapFly
ScrapFly
Scrapfly offers a suite of APIs designed to streamline web data collection for developers. Their web scraping API enables efficient extraction of web pages, handling challenges like anti-scraping measures and JavaScript rendering. The Extraction API utilizes AI and large language models to parse documents and extract structured data, while the screenshot API allows for capturing high-quality visuals of web pages. These tools are built to scale, ensuring reliability and performance as data needs grow. Scrapfly also provides comprehensive documentation, SDKs in Python and TypeScript, and integrations with platforms like Zapier and Make to facilitate seamless integration into various workflows.Starting Price: $30 per month -
12
assistant-ui
assistant-ui
assistant-ui is an open source React toolkit for production AI chat experiences, designed to bring the UX of ChatGPT into your own app. It helps developers create beautiful, enterprise-grade AI chat interfaces in minutes for React, React Native, and terminal applications. Whether you are building a ChatGPT clone, a customer support chatbot, an AI assistant, or a complex multi-agent application, assistant-ui provides frontend primitive components and state management layers so you can focus on what makes your application unique. It includes instant chat UI with pre-built, beautiful, customizable chat interfaces out of the box, making it easy to quickly iterate on an idea. Its chat state management is optimized for streaming responses, interruptions, retries, multi-turn conversations, and efficient rendering. assistant-ui is built for high performance, with optimized rendering and a minimal bundle size to keep AI chat interfaces responsive.Starting Price: $50 per month -
13
BrowserQL
Browserless
BrowserQL is a dedicated scraping language, browser automation tool, and infrastructure built to bypass bot detection systems with minimal automation fingerprints. It includes built-in anti-detection with zero configuration, helping users bypass Cloudflare, Datadome, and other bot detection services without manual plugins or setup. BrowserQL can automatically click common CAPTCHA challenges, including those nested in iframes and shadow DOMs, while using auto-humanized clicking, scrolling, typing patterns, hidden debugger protocol, automatic fingerprint evasion, and residential proxy integration to appear more like a real browser. Unlike DIY Playwright setups that require stealth plugins, manual mouse or keyboard simulation, proxy rotation, and constant cat-and-mouse updates, BrowserQL is streamlined to minimize traces left by automation libraries.Starting Price: $25 per month -
14
Persona
Runtype
Persona is a VanillaJS Agent UI Library that helps developers create agentic front-end experiences for the web in pure JavaScript. Lightweight, extensible, and WebMCP-native, it runs on any stack and can connect to any SSE backend. Developers can start with a floating launcher in the corner, a copilot docked beside an app, or a full-height assistant that owns the page, changing the launcher configuration without changing the agent or app. Persona is designed for support, docs, sales, onboarding, internal tools, and custom agent experiences where the chat UI becomes another way to operate the application. Through WebMCP, developers can expose page actions, search, carts, bookings, forms, and other tools directly in the browser through a document.modelContext; Persona discovers those tools, asks the user before calling them, and streams the result back into the conversation.Starting Price: Free -
15
Zyte
Zyte
Zyte is a powerful web data extraction platform designed to help businesses access, process, and scale web data efficiently. It offers an all-in-one Web Scraping API that can unblock, render, and extract data from virtually any website. The platform uses advanced AI and automation to ensure high-quality, accurate data while keeping costs manageable. Zyte also provides managed data services, where experts build and maintain data pipelines for businesses. Its solutions support a wide range of use cases, including product data, news, social media, real estate, and job listings. Built-in legal compliance features ensure that data extraction is handled responsibly and securely. Overall, Zyte enables organizations to turn web data into actionable insights quickly and at scale. -
16
BoilerCode
BoilerCode
These boilerplates are ready to use, you just need to clone and can start running. BoilerCode is a catalog of SaaS boilerplates to help you ship your next product super fast. Stripe, LemonSqueezy, auth, and email integrations come out of the box with BoilerCode.Starting Price: $49 one-time payment -
17
TheDevStarter
TheDevStarter
The DevStarter is a comprehensive SaaS boilerplate that integrates Next.js and Django Ninja to expedite enterprise SaaS development. It offers customizable authentication, including social login and magic links, and facilitates payment processing through Stripe integration. The platform provides performance-driven APIs, a robust admin dashboard with user impersonation capabilities, and features for customer support, newsletter management, feedback collection, and user engagement via modals and toasts. Additionally, it includes admin-controlled banners and API access with key management. The DevStarter employs Tailwind CSS for styling and supports SQL-compatible databases, ensuring scalability and reliability. By offering these pre-built components, The DevStarter enables developers to focus on unique business logic, thereby reducing development time and effort. Trigger models to target CTAs for premium features, warnings, and notifications.Starting Price: $49 one-time payment -
18
Supastarter
Supastarter
Save endless hours of development time and focus on what's important for your customers. Get everything you need to launch your SaaS like auth, payments, i18n, mails, and more. Supastarter provides you with all the common functionality and tools you need to build a SaaS. Ship in record time and start earning money. Supastarter includes all common authentication methods, gives you full control over your user data, and lets you fully customize the authentication flow. Supastarter supports Lemon Squeezy, Stripe, and Chargebee as payment providers. You can easily switch between them or add your own payment provider. To make your app accessible to everyone, internationalization support is included out of the box. Coming with multiple mail provider integrations and ready-to-use email templates, you can easily create and send emails to your customers. Your SaaS app is fully customizable and you can easily change the styling to match your brand. It is also compatible with shadcnUI.Starting Price: $349 one-time payment -
19
Boilerbay
Boilerbay
Boilerbay offers a comprehensive Next.js SaaS bundle designed to expedite the development and deployment of software-as-a-service applications. This starter kit includes pre-configured landing and waitlist pages, along with essential features such as user authentication via NextAuth.js, database management through Prisma, email functionalities powered by Resend, and payment processing integrated with Stripe. Developers can customize the theme and styling using Tailwind CSS and Shadcn UI components, facilitating alignment with specific brand aesthetics. The platform also supports AI integrations, including OpenAI and Pinecone, enabling the incorporation of advanced functionalities like AI-generated content and chatbot capabilities. Boilerbay provides detailed documentation to assist users in setting up and deploying their applications efficiently, with deployment options available through platforms like Vercel.Starting Price: $69 one-time payment -
20
Supalaunch
Supalaunch
SupaLaunch is a comprehensive SaaS boilerplate built with Next.js and Supabase, designed to accelerate the development of full-stack web applications. It integrates essential features such as authentication (including email and Google login), a PostgreSQL database, image storage, APIs, Stripe payments (supporting both one-time and subscription models), and email functionalities. The platform offers a pre-built landing page crafted with Tailwind CSS and DaisyUI, encompassing customizable sections like navbar, partners, features, pricing, FAQ, and footer. SupaLaunch also includes a markdown-based blog for SEO-friendly content management, AI components with OpenAI API integration and streaming, and supports over 20 UI themes. Additional features comprise built-in SEO tags, an automatically generated sitemap, website analytics, and programmatic email sending via MailerSend. The boilerplate is structured to facilitate rapid project setup.Starting Price: $57 one-time payment -
21
Baz
Baz
Baz delivers the context and automation to review, track, and approve code changes with confidence. Baz transforms your code review and merging process by giving instant application insights and suggestions, helping you focus on building and shipping strong software. Baz organizes your pull request into Topics, so you can breeze through reviews with a clear structure. Baz uncovers breaking changes across APIs, endpoints, parameters, and more, analyzing how every piece fits together. Developers can review, comment, and suggest wherever they want. We'll make sure it's fully visible both on GitHub and Baz. The only way to predict the true impact of a code change is through structured impact analysis. Baz integrates AI and your developer tools to analyze your codebase, map dependencies, and provide actionable reviews that ensure your code’s stability. Plan your proposed changes and invite your team to review them. Easily assign relevant reviewers based on past contributions.Starting Price: $15 per month -
22
Assembly
Factory.ai
Assembly brings your entire development context into focus, starting each day with clarity. It is designed to revolutionize software development by integrating understanding, planning, coding, reviewing, and documentation into a cohesive system. Serving as the command center for development teams, Factory offers personalized dashboards that highlight relevant tasks and streamline workflows, ensuring clarity and efficiency from the start of each day. The platform facilitates collaborative design and planning, allowing teams to craft architectures, draft requirements, and outline technical roadmaps with ease. Its codebase Q&A feature accelerates onboarding and knowledge sharing by capturing context and decisions, simplifying the comprehension of complex systems. Factory's AI-driven code review system delves deep into codebases, identifying subtle issues and assisting in implementing feedback effectively.Starting Price: $80 per month -
23
Bruinen
Bruinen
Bruinen enables your platform to validate and connect your users’ profiles from across the internet. We offer simple integration with a variety of data sources, including Google, GitHub, and many more. Connect to the data you need and take action on one platform. Our API takes care of the auth, permissions, and rate limits - reducing complexity and increasing efficiency, allowing you to iterate quickly and stay focused on your core product. Allow users to confirm an action via email, SMS, or a magic-link before the action occurs. Let your users customize the actions they want to confirm, all with a pre-built permissions UI. Bruinen offers an easy-to-use, consistent interface to access your users’ profiles. You can connect, authenticate, and pull data from those accounts all from Bruinen’s platform. -
24
LangSmith
LangChain
Unexpected results happen all the time. With full visibility into the entire chain sequence of calls, you can spot the source of errors and surprises in real time with surgical precision. Software engineering relies on unit testing to build performant, production-ready applications. LangSmith provides that same functionality for LLM applications. Spin up test datasets, run your applications over them, and inspect results without having to leave LangSmith. LangSmith enables mission-critical observability with only a few lines of code. LangSmith is designed to help developers harness the power–and wrangle the complexity–of LLMs. We’re not only building tools. We’re establishing best practices you can rely on. Build and deploy LLM applications with confidence. Application-level usage stats. Feedback collection. Filter traces, cost and performance measurement. Dataset curation, compare chain performance, AI-assisted evaluation, and embrace best practices.
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