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Open Source
Tools tagged "Open Source"
Popular Categories:
AI Infrastructure
57
AI Video Tools
52
AI Agents
45
AI Image Generation
37
AI Automation
34
AI Marketing Tools
33
AI Coding
29
AI App Builders
29
AI Design
23
AI Productivity Tools
23
AI Chats
22
AI Research Assistants
22
Popular Alternatives:
QuillBot
4
Murf
4
Monday.com
6
Zety
4
Google Sheets
6
CapCut
5
Notion
5
Hootsuite
5
Visual Studio Code
7
Midjourney
10
Trello
5
Fireflies.ai
6
Popular Use Cases:
AI vs human detection
AI Background Remover
AI Consistent Character
UI mockups
Browser Research Automation
AI Prospecting
Sales Forecasting
AI Debugging
Natural-language Data Analysis
AI Trip Planning
Script-to-video Production
AI Competitive Research
Rankings:
Best AI Tools
Curated by
Michał Śnieżyński
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Hermes Agent
A personal agent that builds reusable skills
AI Agents
+2 more
Nous Research's open-source agent uses persistent memory, reusable skills, messaging integrations, and scheduled automation.
OpenClaw
Run a personal AI assistant in your messaging apps
AI Agents
+2 more
A self-hosted AI assistant that connects messaging channels, models, and tools to carry out personal or team tasks.
Cloudflare Computer
Persistent files and execution tools for agents
AI Automation
AI Infrastructure
An open-source library gives developers durable agent workspaces, file tools and execution backends on Cloudflare.
NVIDIA OpenShell
Open, secure runtime for AI agents
Agent Security
AI Infrastructure
An open-source runtime for developers and platform teams to run AI agents with policy-controlled file, network, and model access.
BrowserSkill
Let AI agents work in your logged-in browser
AI Automation
+2 more
Connect AI agents to your logged-in browser with a CLI and extension for web workflows, data capture, and debugging.
BrowserOS
The open-source AI browser
AI Browsers
Browser Agents
Two open-source browsers for AI-assisted web work: BrowserOS has built-in AI, while BrowserOS neo serves external agents.
FastMCP
Build MCP servers and clients in Python
AI Infrastructure
MCP & Agent Orchestration
A Python framework for developers building MCP servers and clients that connect AI applications to tools and data.
Scira
Research that shows its work
AI Research Assistants
+2 more
An AI research assistant for students and researchers, with cited answers, topic-specific search modes and app connections.
Microsoft Agent Framework
Build AI agents and multi-agent workflows
AI Agents
+2 more
An open-source framework for developers building AI agents and coordinated workflows in Python and .NET.
LlamaIndex
Build context-aware AI agents over your data
AI Agents
+2 more
An open-source framework for developers building AI agents, data retrieval pipelines, and multi-step workflows.
Agno
renamed
Build and run your own agent platform
AI Agents
+2 more
Build agents with an open-source SDK, run them through AgentOS, and manage sessions, tools, and knowledge.
Steel
Give AI agents a browser that works
AI Browsers
+2 more
Cloud browser infrastructure with persistent sessions, live debugging, proxies, and an open-source server.
Opik
Trace and evaluate LLM applications and AI agents
AI Infrastructure
LLM Observability & Evals
Opik records AI traces, runs evaluation tests, manages prompts, and monitors agent behavior in development and production.
Dograh
Self-hosted voice agents you can fork
AI Agents
+3 more
An open-source voice AI platform for developers building self-hosted call agents with visual workflows, APIs, and BYO models.
Roo Code
Open-source AI coding assistance for VS Code
AI Coding
+2 more
Roo Code was an open-source VS Code AI coding agent for file edits, terminal work, and repo answers.
LangChain
Observe, evaluate, and deploy reliable AI agents
Agent and RAG Builders
+4 more
LangChain gives developers open source frameworks and LangSmith tools to build, test, deploy, and monitor AI agents.
Zed
AI coding at native speed
AI Coding
AI IDEs and Editors
Zed is an open-source AI code editor for developers who want fast agentic workflows and model choice.
Inkeep
AI teammates for customer experience teams
AI Agents
AI Customer Support Agents
Inkeep lets CX and ops teams build AI agents that answer questions, assist reps, and update knowledge bases.
Pydantic AI
Typed GenAI agent framework for Python
AI Agents
+2 more
Python developers use Pydantic AI to build typed GenAI agents, tools, and workflows with Pydantic validation.
Mastra
Build capable agents in TypeScript
AI Agents
+2 more
Mastra is an open-source TypeScript framework for developers building AI agents, workflows, memory, MCP, and observability.
OpenHands
Turn coding agents into org-wide automation
AI Coding
Coding Agents
OpenHands is an open-source platform for teams running autonomous coding agents locally, in the cloud, or self-hosted.
Browser Use
The way AI uses the web
AI Automation
+2 more
Browser Use gives developers open-source browser automation plus cloud sessions for AI agents that use websites.
Helicone
Routing and monitoring for reliable AI apps
AI Infrastructure
LLM Observability & Evals
Helicone is an AI gateway and LLM observability platform for teams routing, debugging, and analyzing AI apps.
Langfuse
Trace and evaluate AI agents
AI Infrastructure
LLM Observability & Evals
Langfuse is an open-source LLM engineering platform for tracing, evals, prompts, and metrics.
Browserbase
Make the web programmable for agents
AI Browsers
+2 more
Browserbase gives developers cloud browser sessions, Search, and Fetch APIs for AI agents that use real websites.
Firecrawl
Search, scrape, and interact with the web at scale
AI Infrastructure
Firecrawl is a web data API for AI teams that need clean Markdown, JSON, screenshots, and crawl results from live sites.
Flowise
Self-maintained visual AI workflow builder
Agent and RAG Builders
AI App Builders
Visual AI workflow builder whose official team support ended in 2026; Apache 2.0 source remains available for forks.
Langflow
Build AI agents and RAG apps visually
Agent and RAG Builders
AI App Builders
Langflow helps developers build AI agents, RAG apps, and MCP servers with visual flows and Python customization.
LocalAI
Free OpenAI and Anthropic alternative
Local and Self-Hosted AI
LocalAI is an open-source, self-hosted AI server for teams running compatible models on their own hardware.
Activepieces
Build agents and workflows with credit-based usage
AI Automation
Workflow Automation
Activepieces connects apps, agents, and workflows with credit-based cloud plans and self-hosting options.
Aider
AI pair programming in your terminal
AI Coding
Aider is a terminal AI coding assistant for developers who want LLM help inside an existing codebase.
AnythingLLM
Local AI for documents and agents
Local AI Chat Interfaces
Local and Self-Hosted AI
AnythingLLM is a desktop and self-hosted AI app for private document chat, local models, agents, and team workspaces.
Jan
Personal intelligence that answers only to you
Local AI Chat Interfaces
Local and Self-Hosted AI
Jan is a desktop AI assistant for running open models locally or connecting to cloud models when needed.
ComfyUI
Professional control of visual AI
AI Image Generation
Local and Self-Hosted AI
ComfyUI gives visual AI teams a node canvas for building inspectable image, video, and model workflows.
Hugging Face
The AI community building the future
AI Infrastructure
Hosting and Inference
Host and share machine-learning models, datasets, and apps, with paid inference, storage, and compute options.
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