Free open source alternative app list about topic "python" :

Skyvern

Key features Leverages large language models and computer vision to automate browser workflows without relying on brittle selectors. Designed to work on any website, reducing the maintenance burden of traditional browser automation scripts. Open-source AI-driven alternative to conventional RPA platforms like UiPath. Built in Python, making it accessible for developers to extend and integrate. Targeted at automating complex, multi-step workflows that span multiple pages and interactions. Platforms: Linux, macOS, Windows Links Official Website Source Code Pricing Free and fully open source under the AGPL-3.0 license.

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Browser Use

Key features Enables AI agents to autonomously control and automate any web browser Supports LLM-driven browser tasks including navigation, form filling, and web scraping Provides a scalable framework for orchestrating complex browser interactions Built on Playwright for reliable cross-browser automation Distributed as a Python library for easy integration into AI workflows Open-source under the MIT license, allowing flexible self-hosting and customization Platforms: Windows, macOS, Linux Links Official Website Source Code Pricing Free and open-source under the MIT license; self-hosted Python library for AI browser automation.

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Agno

Key features Lightweight, model-agnostic Python library for building intelligent AI agents. Built-in support for memory, knowledge, tools, and reasoning. Multimodal framework capable of handling diverse input and output types. Free and open-source core under the MPL-2.0 license, with an optional paid cloud service. Platforms: Windows, macOS, Linux Links Official website: https://agno.com Source code: https://github.com/agno-ai/agno Pricing Freemium. The core library is free and open-source under the MPL-2.0 license; optional Agno Cloud paid services are available.

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langchain

langchain is a free, open-source alternative to OpenAI Assistants API . The agent engineering platform. LangChain is a framework for building agents and LLM-powered applications. It helps you chain together interoperable components and third-party integrations to simplify AI application development — all while future-proofing decisions as the underlying technology evolves. Tip Just getting started? Check out Deep Agents — a higher-level package built on LangChain for agents that have built-in capabilites for common usage patterns such as planning, subagents, file system usage, and more. Quickstart uv add langchain from langchain . chat_models import init_chat_model model = init_chat_model ( "openai:gpt-5.5" ) result = model . invoke ( "Hello, world!" ) If you're looking for more advanced customization or agent orchestration, check out LangGraph , our framework for building controllable agent workflows. For an equivalent JS/TS library, check out LangChain.js . Tip For developing, debugging, and deploying AI agents and LLM applications, see LangSmith . LangChain ecosystem While the LangChain framework can be used standalone, it also integrates seamlessly with any LangChain product, giving developers a full suite of tools when building LLM applications. Deep Agents — Build agents that can plan, use subagents, and leverage file systems for complex tasks LangGraph — Build agents that can reliably handle complex tasks with our low-level agent orchestration framework Integrations — Chat & embedding models, tools & toolkits, and more LangSmith — Agent evals, observability, and debugging for LLM apps LangSmith Deployment — Deploy and scale agents with a purpose-built platform for long-running, stateful workflows Why use LangChain? LangChain helps developers build applications powered by LLMs through a standard interface for models, embeddings, vector stores, and more. Real-time data augmentation — Easily connect LLMs to diverse data sources and external/internal systems, drawing from LangChain's vast library of integrations with model providers, tools, vector stores, retrievers, and more Model interoperability — Swap models in and out as your engineering team experiments to find the best choice for your application's needs. As the industry frontier evolves, adapt quickly — LangChain's abstractions keep you moving without losing momentum Rapid prototyping — Quickly build and iterate on LLM applications with LangChain's modular, component-based architecture. Test different approaches and workflows without rebuilding from scratch, accelerating your development cycle Production-ready features — Deploy reliable applications with built-in support for monitoring, evaluation, and debugging through integrations like LangSmith. Scale with confidence using battle-tested patterns and best practices Vibrant community and ecosystem — Leverage a rich ecosystem of integrations, templates, and community-contributed components. Benefit from continuous improvements and stay up-to-date with the latest AI developments through an active open-source community Flexible abstraction layers — Work at the level of abstraction that suits your needs — from high-level chains for quick starts to low-level components for fine-grained control. LangChain grows with your application's complexity Resources Documentation — conceptual overviews and guides LangChain ecosystem overview — how LangChain, LangGraph, and Deep Agents fit together API reference — complete reference for all public classes, functions, and types Discussions — community forum for technical questions, ideas, and feedback LangChain Academy — comprehensive, free courses on LangChain libraries and products, made by the LangChain team Contributing Guide — how to contribute and find good first issues Code of Conduct — community guidelines and standards

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