Open Source Gpt Library

GPT Repo hosts 400+ curated GPT models in an open‑source repository. Users can search, filter, compare, and submit their own GPTs. It integrates with workflows and offers community support via Discord.

OpenGPT lets users build ChatGPT‑based applications instantly using a library of ready‑made AI tools for productivity, copywriting, coding, entertainment, and education. The platform offers prompt‑to‑code conversion, regex creation, and tools that refine prompts and transform requests into actionabl

SecureGPT is a free platform for security testing OpenAI ChatGPT plugins.

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.

GPT Game is a tool that generates and plays simple games such as Snake or Pong. It also offers the ability to describe specific features like 'Pong 3 Ball' or 'Snake AI Enemy'.

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.

ChatGPT is an AI chatbot based on large language models family created by OpenAI for general purpose chat that allows users to ask any question or prompt to AI, making it a useful tool for many writing processes.

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.

GPT Translator offers real-time translation for text, documents, and websites in 95+ languages. It supports various file formats, preserves formatting, includes automatic language detection, and features batch processing for efficient multilingual content management.

GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.

ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.

GPTPlus is a browser extension featuring GPT-4 and GPT-3.5 technologies. It provides an integrated ChatGPT assistant within a sidebar for writing, translation, code analysis, prompts, templates, and custom queries, boosting productivity in content generation and SEO optimization tasks.

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.

GPTunneL aggregates ChatGPT, Claude, Gemini, MidJourney, Suno and other models into a single interface for Russian-language text, image, audio and video generation. It offers assistants, prompt libraries, APIs, usage tracking and creative tools.

Gptkit is an AI tool that detects and classifies human-written and machine-generated text using a multi-model approach with accuracy up to 93%.

Poe.com is a web tool for chatting with multiple AI models from one interface. It offers free quota to chat with ChatGPT and GPT4, and the quota renews daily.

Demo of Custom GPTs lets users upload papers and other data, link them via the left interface, and query a tailored GPT. It requires an OpenAI key, works best on a large screen, aiding researchers, developers, and educators.

GPT for Slides is a Google Slides add‑on that builds complete decks from a topic, URL, PDF, or text in under a minute, adding AI‑generated images, data visuals, quizzes, and multilingual translation, saving design time.

DevKit combines 30 mini-devtools, an AI assistant (DevGPT), and integrates with 100+ public APIs & P5.js. It accelerates code testing, API queries, generation, art creation, and simplifies app/website management for enhanced developer productivity.

FlowGPT provides a searchable library of themed AI prompts for ChatGPT and similar models, letting users filter by style, role, or purpose. Community contributions and versioning enable prompt refinement, while a leaderboard highlights popular entries.

GPT-4 Powered Changelog simplifies creating and managing software development projects by automatically generating changelogs from various sources and allowing for customization and publication.

GPT Zero analyzes up to 2,000 characters, distinguishing machine‑generated from human‑written text with a trained model. It outputs confidence scores, supports generators like ChatGPT and GPT‑4, and helps authors, educators, and publishers verify originality.

SlidesGPT converts blog posts, PDFs, or custom prompts into polished slide decks in seconds. It auto‑formats slides, generates visuals, and exports to PowerPoint, Google Slides, or PDF. Developers can integrate bulk creation through an API.

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.

GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.

Longshot AI's FactGPT feature generates user-sourced and factually accurate content for current events, opinions, product reviews, comparisons and more, with personalization options and access to citations.

editGPT is a Chrome extension that turns ChatGPT into a writing assistant. It provides real‑time grammar, style, and rewriting support in 80+ languages, preserves formatting, tracks changes, and manages revisions.

FileGPT lets users query PDFs, DOCs, text, audio, YouTube, and web pages via GPT, extracting and consolidating information across multiple sources. It supports large documents, handwritten text, and delivers concise, cross‑source answers for researchers, students, and managers.

PDF GPT reads PDFs and instantly generates summaries, page‑referenced excerpts, and highlights. It supports multi‑file searches, tagging, collaboration, and 90+ languages, enabling efficient research, data extraction, and citation for professionals, students, and teams.

A minimal generic autonomous agent based on GPT-3.5 / GPT-4 that can analyze stock prices, perform network security tests, create art, and order pizza.

Study with GPT is a 24/7 AI learning hub that generates customized tutorials across Java, Python, Go, PHP, and modern backend stacks. It builds lesson outlines, offers step‑by‑step explanations, and supports real‑time Q&A for instant guidance.

GPT Games offers an engaging AI-powered platform to play popular titles, create custom games, and test skills in various genres - from catching bugs and escaping rooms to identifying paintings or managing virtual countries; also features a prompt maker for game design.

BypassGPT rewrites AI‑generated text into natural, human‑like language, bypassing detection systems. One‑click humanizer preserves meaning, adds conversational tone, supports multiple languages, and works online on all devices for quick, confidential editing.

WhitePaperGPT is a Chrome extension that automates white‑paper creation by collecting, storing, and organizing web‑content snippets into folders, providing version control and custom formatting to produce cohesive, context‑accurate documents for researchers, marketers, and technical writers.

BlueGPT combines article drafting, visual asset creation, and document analysis in one platform. It offers AI agents, a prompt library, voice control, multi‑model chats, advanced search, and folder organization for marketers, SEO, sales, finance, dev, and HR.

AutoGPT is an open-source AI tool that revolutionizes natural language processing and automates various tasks.

GlobalGPT is a comprehensive AI service hub providing over 100 specialized agents for tasks like content creation, social media management, academic assistance, and software development, including advanced features like text-to-video conversion and personalized planning tools.

DiagramGPT turns natural‑language prompts into architecture, sequence, BPMN, flowchart, ERD, and cloud diagrams. Users pick templates, view use‑case videos, edit in code‑based Eraser, and export to documentation tools. Collaboration, dark mode, and API support are included.

ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.

pdf→gpt summarizes PDFs by chunking content to fit GPT’s context, accepting uploads or URLs. It offers a question‑answer mode for targeted extraction. Browser‑only, no account needed for small files, useful for researchers and students.

Interact privately with documents using the power of GPT and LLMs for 100% private and offline communication without data leaks.

GPT is an AI-powered tool that generates hashtags for Instagram, TikTok, and YouTube Shorts to increase visibility and engagement on these platforms.

ChainIntelGPT is a sophisticated search engine tool that uses natural language processing to provide insights on crypto and blockchain data in real-time. It simplifies complex information and maximizes productivity.

DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.

GPT Workspace enhances productivity within Google Workspace by automating tasks such as email composition, content generation, and presentation creation. It offers smart features for data analysis in Sheets and writing assistance in Docs while ensuring user data privacy.

GPT‑AdBlocker is a Chrome extension that uses GPT‑4 to detect and remove pre‑roll ads, banners, pop‑ups, and tracking scripts such as Google Analytics. It provides a single background toggle and an optional video‑ad blocker.

GPT‑Prompter is a Chrome extension that brings GPT‑3/4 and ChatGPT API directly into any webpage. It highlights selected text for instant explanations, supports pre‑made and custom prompts, and streamlines drafting for researchers, writers, and developers.

BacklinkGPT is an AI-powered tool that simplifies link building through one-click prospecting, contact info discovery, personalized outreach messages, and efficient campaign management for improved Google page ranking.

Text‑GPT‑p5 is a web editor that translates natural‑language prompts into p5.js code using GPT‑4o‑mini, eliminating boilerplate setup and loop functions. It quickly generates interactive sketches such as Conway’s Game of Life, flocking, and 3‑D forms.

ZeroGPT Plus detects AI‑generated text from models such as ChatGPT, Gemini, and Claude with high accuracy. It delivers instant analysis, confidence scores, sentence‑by‑sentence breakdowns, and actionable improvement suggestions in multiple languages and file formats.