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Free planResearch
GPT Bricks is Daniel Keane’s blog about practical AI for everyday life, work, and emerging tech trends. Sections cover LifeOS personal AI tips, WorkFlow business productivity, and NextGenAI news aimed at non-technical readers.
Free to startAssistant
GPTConsole provides specialized AI agents for developers, including Pixie for generating full web apps, Chip for codebase-aware Jira assistance, and Doodle for animated sketches. The platform offers a web UI, CLI via npm, SDK/API tooling, and credit-based usage.
No free planAssistant
GptDemo.Net is a large directory of ChatGPT apps and generative AI tools with category browsing, search, and multilingual navigation. It also sells a premium submission service that lists vendor tools on gptdemo.net and aitoolhub.net for backlinks.
Free planAssistant
GPTExcel is an AI spreadsheet assistant where you upload Excel or CSV files and ask questions in plain English to get formulas, pivot tables, charts, summaries, and automation scripts. It supports formula, SQL, regex, and VBA or Apps Script generation for finance and ops teams.
Free tier unknownAssistant
GPTflix offers AI-powered movie recommendations to help you discover similar films based on titles you already like. The public site describes the product as a recommendation experience rather than a streaming catalog.
Free tier unknownResearch
GPTfy is a Salesforce-native AI package positioned as an Agentforce alternative that keeps data inside Salesforce while connecting your chosen LLMs. It advertises AppExchange install, prompt builder workflows, email and meeting capture, case automation, and Microsoft Copilot integrations.
Free planImages
The site highlights Ask GPT for direct questions, combined search plus ChatGPT responses, multilingual support, and anonymous usage without mandatory signup.
Free trialResearch
GPTHelp lets website owners train embeddable AI chatbots on their content with unique URLs, dashboards, and retraining controls. Plans scale monthly message allowances from starter sites to business teams, with optional enterprise integrations.
Free planAssistant
GPTHero is a free web tool that rewrites pasted text to reduce signals picked up by AI detectors. It offers Standard, Strict, and Creative modes, processes up to 10,000 characters, and requires no login according to the homepage FAQ.
Free planWriting
GPT Humanizer AI rewrites ChatGPT, Claude, and Gemini output into more natural prose with bundled AI detection and plagiarism checks. The site advertises unlimited free Lite access without sign-up plus paid tiers with higher word limits and Ultra models.
Free tier unknownWriting
GPTinf provides AI text humanization and detection-bypass tooling aimed at making machine-generated writing read more naturally.
Free planWriting
GPTKit is an AI-generated text detector focused on ChatGPT-style writing with free character limits and paid unlimited tiers for teams. Higher plans raise per-request character caps, request rate limits, and optional API access for institutional buyers.
Free tier unknownResearch
GPTOCR presents itself as a ChatGPT-oriented PDF data extraction web app. The Angular site title brands the product as GPTOCR for PDF data extraction, with contact follow-up promised after inquiries.
Free tier unknownAssistant
GPTRiddle is marketed as an escape room game played against AI. Site metadata describes a puzzle experience where players challenge an AI opponent rather than a traditional SaaS writing tool.
Free planDeveloper tools
GPTRouter is Writesonic’s open-source AI model router for balancing traffic across providers such as OpenAI, Anthropic, Cohere, Azure OpenAI, and image models. It offers health checking, failover, cost and latency observability, and a hosted preview with limited daily generations before self-hosting.
Free planResearch
GPTTeams is an all-in-one AI chat workspace that centralizes models such as GPT-4, Claude, and Gemini with collaboration features. It advertises document chat, custom assistant bots, folders, role-based access, and optional lifetime deals alongside a free tier.
Free tier unknownImages
GPTunneL is a Russian AI superapp aggregating 200+ models for text, image, video, and audio generation plus workflow nodes and business tools. The English site markets pay-as-you-go balances, Grom in-house models, API access, and creative utilities such as background removal and face swap.
Free planAssistant
GPTZero provides AI detection, writing feedback, plagiarism checking, and classroom integrations for educators and writers. The homepage advertises scanning text from major LLMs, advanced scan modes, Google Docs extensions, and writing replay verification.
Free planImages
GPT-Zero.cc is a free AI content detector for text that may come from ChatGPT, GPT-4, and other generators. The site emphasizes rapid scans, plagiarism awareness, and processing up to 2,000 characters per operation on the free tool.
Free planResearch
GPU Per Hour compares live secure on-demand cloud GPU offers from many providers. It tracks per-GPU-hour prices for models such as H100, H200, A100, and L40S, highlights cheapest current stock, and links out to provider deploy pages.
Free tier unknownAssistant
Grably builds large-scale multimodal datasets of human interaction for AI training and evaluation. The company offers data suites spanning video, audio, code, and text for LLM pretraining, embodied AI, speech, document understanding, and custom buyer-scoped deliveries.
Free trialAssistant
GrackerAI is an answer-engine and generative-engine optimization platform for B2B SaaS teams, especially in cybersecurity, DevTools, and DevOps. It monitors AI search visibility, scores brands across engines, researches buyer prompts, tracks competitors and citations, audits sites for AEO, and helps publish optimized content with brand voice controls.
Free planAssistant
Grade Calculator AI is a free web calculator for students, teachers, and parents to compute course averages, semester grades, final-exam targets, and percentage scores across common letter-grade systems. The site combines weighted assignment inputs, multi-course views, and instant results without requiring an account.
Free to startImages
GradeLab is an AI assessment platform that grades essays, exams, and handwritten papers for schools and universities. It supports digital and scanned submissions, rubric-aligned feedback, question-paper generation, proctoring hooks, and institutional reporting aimed at cutting manual grading time.
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