Open Source Plugins
The best 50 Open Source Plugins AI tools - Free & Paid
Explore 50 AI for Open Source Plugins
Open Apps is an open-source app directory that offers a curated selection of free alternatives to popular software tools, enabling users to find quality open-source solutions across various categories for development and productivity needs.
Free
OpenPencil.dev is a lightweight, open-source desktop design editor that runs locally with full Figma file support. It offers scriptable workflows and an optional AI chat tool, prioritizing developer control and extensibility under the MIT license.
Free
Clawhub.ai is an open-source developer tool for managing and discovering reusable AI skills and code snippets. It centralizes assets with local and GitHub search, streamlining skill import and workflow integration.
Free
Open Voice OS is an open-source, community-driven voice AI platform for building customizable assistants across Raspberry Pi, embedded devices, Linux desktops, and Docker. It provides plugin-based STT/TTS, configurable wake words, extensible skills, and privacy-focused self-hosting.
Free
The CodeGPT IntelliJ IDE Plugin is an AI-driven coding tool that offers text completion, chat functionality, custom prompts and code actions, reviewing past conversations, restoring previous sessions, and privacy settings.
OpenAgents is an open-source framework for building and operating scalable, interoperable AI agent networks. It provides tools to launch, connect, and orchestrate agents with live monitoring, enabling collaborative applications and workflows.
Freemium
PenPot.app is an open-source design platform for creating UI, wireframes, and interactive prototypes with CSS Grid and Flexbox layouts. It features AI-driven workflows for design-to-code automation, design systems management, and self-hosted deployment for enterprise control.
Freemium
Twenty.com is an open-source CRM and SDK for building customizable CRM solutions, offering modular objects, fields, relations, and TypeScript tooling for technical teams to extend, integrate, and deploy custom applications.
Subscription
- $5/u/mo
OpenClaw is a personal AI assistant that automates email, calendar, task and chat workflows—clearing inboxes, composing and sending messages, scheduling events, checking reservations, integrating chats and cloud services, with persistent memory, background jobs and developer-friendly self-hosting an
Free
Uncensored AI delivers a chat platform featuring Claude Opus, Gemini, Grok, and MiniMax M2‑Her. It supports text, audio, image, and code interactions, including image‑to‑video via Image Studio. API beta and usage stats benefit developers, writers, educators, and researchers.
Freemium
OpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.
Freemium
- $18/mo
GitHub Copilot is an AI pair programmer that uses the OpenAI Codex to suggest code and entire functions in real-time.
Free trial
OpenCraft AI is a secure, multi‑model copilot that unifies GPT‑4, Claude, and Gemini. It preserves context across model switches, keeps uploaded files accessible, auto‑formats chats into reports or decks, and generates images with consistent voice tone for streamlined workflows.
Paid
Mckp.live offers a Figma plugin and online editor with over 4,000 editable mockups, including device, branding, print, animated and illustration templates. Designers can replace artwork, adjust layouts, preview across devices, use presets and download assets.
Subscription
OpenArt is an AI art generator that provides powerful tools for you to generate and edit images, especially artist assets, that you can directly use and edit to improve.
Freemium
Open SaaS is an open-source framework for building scalable applications with React and Node.js, offering features like pre-configured authentication, payment integrations, TypeScript support, an admin dashboard, and easy deployment without vendor lock-in.
Free
Openkoda is an open‑source insurtech platform providing modular templates for claims, policy, and embedded insurance. It offers AI analytics, automated documents, role‑based access, multi‑tenant clustering, and API hooks for rapid, scalable development without vendor lock‑in.
Freemium
OpenFang.sh is an open-source agent operating system that orchestrates autonomous AI agents and capability packages across macOS, Linux, and Windows. It provides a secure, sandboxed runtime with built-in tools for tasks like research, monitoring, and automation, all managed through a native desktop
Freemium
Unifies multiple AI APIs into a single interface, offers chatbots, AI forms, image generation, voice input, PDF chat, web search, memory, and automates content creation for bloggers and social media scheduling.
Subscription
- $9.99/mo
ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.
Free
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
Blueprints by Mozilla.ai is a developer-focused platform for creating and integrating AI workflows. It offers tools for document parsing, speech-to-text transcription, synthetic audio detection, and customizable agents, ensuring efficient data management and privacy-conscious model training.
Freemium
TextGen is an open‑source Obsidian plugin that auto‑generates text using multiple AI models (GPT‑4, Claude, Bard, Llama, etc.). It offers a template hub, smart prompt customization, and seamless integration, reducing drafting time for writers and researchers.
Freemium
Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.
Freemium
paperclip is an open-source, self-hosted AI orchestration platform for creating and managing autonomous companies and agent teams—providing role-based hiring, goal-driven task delegation, budgeting, audit trails, multi-tenant deployment, extensible LLM integrations, and monitoring dashboards.
Free
OpenCreator is a generative AI workstation that integrates over 20 AI models for efficient content creation. With an intuitive interface, it enables quick visual production for various applications, including marketing and education, while simplifying the creative process.
Free trial
- $19/mo
n8n is an open‑source workflow automation platform with a visual canvas and custom JavaScript/Python support. It connects to 500+ integrations, enables AI agents and RAG, offers audit logs, real‑time alerts, and can be self‑hosted on Docker or Kubernetes.
Free
FreedomGPT unifies access to 400+ AI models, showing side‑by‑side answers for voting and auto‑selection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is open‑source for community contribution and collaboration.
Free
Plug In SEO performs in-depth on-page SEO audits for Shopify stores, identifying broken links, missing or duplicate meta tags and structure issues, provides step-by-step reports to prioritize fixes, automates meta and description updates, and monitors site health.
Subscription
Open-claw.org is a premium, subscription-based AI deployment platform that lets you launch powerful AI agents in one click
Freemium
A free, user-friendly, multilingual, and open-source AI image generator that utilizes Stable Diffusion.
Free
Open Lovable is an open-source AI website builder that transforms existing websites into React/Next.js applications. It utilizes web scraping and AI models for analysis, enabling quick cloning and customization of production-ready components.
Freemium
OpenRouter gives one API key to access 300+ models from 60+ providers, SDK‑compatible, with visual routing, automated fall‑back, edge hosting, data‑policy controls, and agentic tools for building efficient autonomous workflows.
Freemium
OpenL Translate converts text, PDFs, images, and audio into 100+ languages, supporting dialects and emojis. Fast mode delivers short translations; Advanced mode offers precision for legal documents. It handles 150k characters and 40 scanned PDFs daily, processing locally for privacy.
Subscription
Spotify Web Player offers a browser interface to stream a vast music and podcast catalog. Users can search, play, curate playlists, follow artists, and receive personalized recommendations. It syncs playback history across devices and supports multilingual navigation.
Free
Answer Overflow is an open-source AI search engine for Discord, simplifying content discovery across various servers. Easily find valuable information in different communities to enhance your Discord experience efficiently.
Freemium
SecureGPT is a free platform for security testing OpenAI ChatGPT plugins.
Free
Bolt.new is an AI-powered development agent that allows users to build, edit, run, and deploy full-stack applications directly from their browser without local setup. It provides complete control over the development environment, making web development seamless and AI-driven.
Freemium
Goose is an open-source, extensible AI agent for code automation and LLM-driven developer workflows. It installs, edits, tests, and deploys code, integrates with GitHub Actions/Codespaces/CI, supports plugins, terminal tools, PR security scans, and secret protection.
Subscription
Epidemic Sound offers a royalty‑free music library available by subscription or track purchase. AI suggestions align tracks with video frames or tonal requests. Plugins for Creative Cloud, DaVinci Resolve, and mobile apps integrate smoothly, ensuring copyright‑free use across media.
Freemium
CodeGPT plugs into VS Code and JetBrains IDEs, offering AI‑driven coding, refactoring, and debugging. It scans entire codebases, produces implementation plans, suggests incremental edits, and supports multiple models while keeping data local with BYOK and threat‑detection safeguards.
Freemium
- $8/mo
gpt-oss playground provides open-weight demos of gpt-oss-120b and 20b for infrastructure testing, distributed and on-device inference, benchmarking, API integration, and reproducible research, with adjustable reasoning levels and visible-reasoning for diagnostics. Demo-only; validate outputs.
Freemium
OpenMontage is an open-source agentic video production system that automates end-to-end workflows with modular pipelines, 50+ tools and 500+ agent skills for storyboarding, character animation, TTS, composition and reproducible rendering across configurable model and media providers.
Free
OpenAI Codex CLI is a terminal-based, open-source coding agent that uses natural language to automate development tasks like code generation, testing, refactoring, and codebase understanding, with secure sandboxed execution and Git integration.
Free