JASA provides a comprehensive set of Java libraries for building and running multi-agent system simulations. It supports agent lifecycle management, event scheduling, asynchronous message passing, and environment modeling. Developers can extend core classes to implement custom behaviors, integrate external data sources, and visualize simulation outcomes. The framework’s modular design and clear API documentation facilitate rapid prototyping and scalability, making it suitable for academic research, teaching, and proof-of-concept development in agent-based modeling.

LangChain is an open-source Python framework designed to accelerate development of AI-powered applications. It provides abstractions for chaining multiple language model calls (chains), building agents that interact with external tools, and managing conversation memory. Developers can define prompts, output parsers, and run end-to-end workflows. Integrations include vector stores, databases, APIs, and hosting platforms, enabling production-ready chatbots, document analysis, code assistants, and custom AI pipelines.

Kilo Code integrates AI capabilities into the VS Code environment, enabling developers to automate mundane coding tasks, debug effectively, and generate code efficiently. Its unique modes—Orchestrator, Architect, Code, and Debug—facilitate seamless coordination among various stages of development. Kilo ensures error recovery, libraries context accuracy, and memory retention for personalized coding workflows, all while being completely open source without lock-in.

LAuRA streamlines the creation of intelligent AI agents by offering a structured pipeline of planning, retrieval, execution, and memory management modules. Users define complex tasks which LAuRA’s Planner decomposes into actionable steps, the Retriever fetches information from vector databases or APIs, and the Executor invokes external services or tools. A built-in memory system maintains context across interactions, enabling stateful and coherent conversations. With extensible connectors for popular LLMs and vector stores, LAuRA supports rapid prototyping and scaling of custom agents for use cases like document analysis, automated reporting, personalized assistants, and business process automation. Its open-source design fosters community contributions and integration flexibility.

Serving as a robust Go implementation of the popular LlamaIndex framework, Llama-Index-Go offers end-to-end capabilities for constructing and querying vector-based indexes from textual data. Users can load documents via built-in or custom loaders, generate embeddings using OpenAI or other providers, and store vectors in memory or external vector databases. The library exposes a QueryEngine API that supports keyword and semantic search, boolean filters, and retrieval-augmented generation with LLMs. Developers can extend parsers for markdown, JSON, or HTML, and plug in alternative embedding models. Designed with modular components and clear interfaces, it provides high performance, easy debugging, and flexible integration in microservices, CLI tools, or web applications, enabling rapid prototyping of AI-powered search and chat solutions.

LLM-Agent is a lightweight, extensible framework for building AI agents powered by large language models. It provides abstractions for conversation memory, dynamic prompt templates, and seamless integration of custom tools or APIs. Developers can orchestrate multi-step reasoning processes, maintain state across interactions, and automate complex tasks such as data retrieval, report generation, and decision support. By combining memory management with tool usage and planning, LLM-Agent streamlines the development of intelligent, task-oriented agents in Python.

LLM State Machine is an open-source Python framework designed to construct AI agents using explicit state machines. Developers define states as discrete steps—each invoking a large language model or custom logic—and transitions based on outputs. This approach provides clarity, maintainability, and robust error handling for multi-step, LLM-powered workflows, such as document processing, conversational bots, or automation pipelines.

LLPhant is an open-source Python framework enabling developers to create versatile LLM-driven agents. It offers built-in abstractions for tool integration (APIs, search, databases), memory management for multi-turn conversations, and customizable decision loops. With support for multiple LLM backends (OpenAI, Hugging Face, others), plugin-style components, and configuration-driven workflows, LLPhant accelerates agent development. Use it to prototype chatbots, automate tasks, or build digital assistants that leverage external tools and contextual memory without boilerplate code.

Matcha Agent provides a flexible foundation for building autonomous agents in Python. Developers can configure agents with custom toolsets (APIs, scripts, databases), manage conversational memory, and orchestrate multi-step workflows across different LLMs (OpenAI, local models, etc.). Its plugin-based architecture allows easy extension, debugging, and monitoring of agent behavior. Whether automating research tasks, data analysis, or customer support, Matcha Agent streamlines end-to-end agent development and deployment.

MATE: AI Code Review is a powerful Chrome extension designed to enhance your coding experience by providing instant, AI-driven code reviews. Seamlessly integrated with GitHub, it allows developers to receive immediate feedback and personalized guidance. With features like blazing fast reviews, complete free access, and advanced AI technology, MATE ensures your code is optimized for efficiency and best practices. It acts like a 24/7 mentor, helping you learn and improve with every project. Install MATE today and join the community of developers who code smarter, not harder.

Melissa operates as a conversational AI agent that uses advanced natural language understanding to interpret user commands, generate context-aware responses, and perform automated tasks. It provides features such as task scheduling, appointment reminders, data lookup, and integration with external APIs like Google Calendar, Slack, and email services. Users can extend Melissa’s capabilities through custom plugins, create workflows for repetitive processes, and access its knowledge base for quick information retrieval. As an open-source project, developers can self-host Melissa on cloud or local servers, configure permissions, and tailor its behavior to suit organizational requirements or personal preferences, making it a flexible solution for productivity, customer support, and digital assistance.

Mergy is a convenient browser extension that helps users combine contents from any public GitHub repository into a single text document. Designed for use with Anthropic's Claude Projects, Mergy simplifies the fetching, combining, and downloading of repository files. The tool ensures that the combined text is optimized for AI processing, making it easier for developers to provide context for entire codebases. Key features include customizable file inclusion/exclusion rules, respect for .gitignore rules, and support for custom ignore patterns. Mergy is especially useful for small to medium-sized libraries and requires a GitHub Personal Access Token for API access.

micro-agent provides a minimalistic yet powerful set of abstractions for creating autonomous AI agents. Built in TypeScript, it runs seamlessly in both browser and Node.js contexts, allowing you to define agents with custom prompt templates, decision logic, and extensible tool integrations. Agents can leverage chain-of-thought reasoning, interact with external APIs, and maintain conversational or task-specific memory. The library includes utilities for handling API responses, error management, and session persistence. With micro-agent, developers can prototype and deploy agents for a range of tasks—such as automating workflows, building conversational interfaces, or orchestrating data-processing pipelines—without the overhead of larger frameworks. Its modular design and clear API surface make it easy to extend and integrate into existing applications.

Multi-Agent Drone Environment is a Python package offering a customizable multi-agent simulation for UAV swarms, built on OpenAI Gym and PyBullet. Users define multiple drone agents with kinematic and dynamic models to explore cooperative tasks such as formation flying, target tracking, and obstacle avoidance. The environment supports modular task configuration, realistic collision detection, and sensor emulation, while allowing custom reward functions and decentralized policies. Developers can integrate their own reinforcement learning algorithms, evaluate performance under varied scenarios, and visualize agent trajectories and metrics in real time. Its open-source design encourages community contributions, making it ideal for research, teaching, and prototyping advanced multi-agent control solutions.

JADE is a Java-based agent framework enabling developers to create, deploy, and manage multiple autonomous software agents across distributed environments. Each agent runs within a container, communicates via FIPA-compliant Agent Communication Language (ACL), and can register services with a Directory Facilitator for discovery. Agents execute predefined behaviors or dynamic tasks and can migrate between containers using Remote Method Invocation (RMI). JADE supports ontology definitions for structured message content and provides graphical tools for monitoring agent states and message exchanges. Its modular architecture allows integration with external services, databases, and REST interfaces, making it suitable for developing simulations, IoT orchestrations, negotiation systems, and more. The framework’s extensibility and compliance with industry standards streamline the implementation of complex multi-agent systems.

MultiAgent-Systems-StarCraft2-PySC2-Raw offers a complete toolkit for developing, training, and evaluating multiple AI agents in StarCraft II. It exposes low-level controls for unit movement, targeting, and abilities, while allowing flexible reward design and scenario configuration. Users can easily plug in custom neural network architectures, define team-based coordination strategies, and record metrics. Built on top of PySC2, it supports parallel training, checkpointing, and visualization, making it ideal for advancing research in cooperative and adversarial multi-agent reinforcement learning.

MultiAgentes provides a modular architecture for defining environments and agents, supporting synchronous and asynchronous multi-agent interactions. It includes base classes for environments and agents, predefined scenarios for cooperative and competitive tasks, tools for customizing reward functions, and APIs for agent communication and observation sharing. Visualization utilities allow real-time monitoring of agent behaviors, while logging modules record performance metrics for analysis. The framework integrates seamlessly with Gym-compatible reinforcement learning libraries, enabling users to train agents using existing algorithms. MultiAgentes is designed for extensibility, allowing developers to add new environment templates, agent types, and communication protocols to suit diverse research and educational use cases.

NagaAgent is an open-source Python library designed to simplify the creation, orchestration, and scaling of AI agents. It provides a plug-and-play tool integration system, persistent conversational memory objects, and an asynchronous multi-agent controller. Developers can register custom tools as functions, manage agent state, and choreograph interactions between multiple agents. The framework includes logging, error-handling hooks, and configuration presets for rapid prototyping. NagaAgent is ideal for building complex workflows—customer support bots, data processing pipelines, or research assistants—without infrastructure overhead.

Nexus Agents is a modular framework for constructing AI-driven multi-agent systems with large language models at their core. Developers can define custom agents, integrate external tools, and orchestrate workflows through declarative YAML or Python configurations. It supports dynamic task routing, memory management, and inter-agent communication, ensuring scalable and reliable automation. With built-in logging, error handling, and CLI support, Nexus Agents streamlines building complex pipelines spanning data retrieval, analysis, content generation, and customer interactions. Its architecture allows easy extension with custom tools or LLM providers, empowering teams to automate business processes, research tasks, and operational workflows in a consistent and maintainable manner.

Notte is a developer-centric Python framework designed for orchestrating AI agents powered by large language models. It provides built-in memory modules to store and retrieve conversational context, flexible tool integration for external APIs or custom functions, and a planning engine that sequences tasks. With Notte, you can rapidly prototype conversational assistants, data analysis bots, or automated workflows, while benefiting from open-source extensibility and cross-platform support.