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Free planCode
Unity MCP access is part of Unity’s AI tooling on the Unity game engine platform, letting eligible Personal users and paid Pro subscribers connect AI assistants to Unity workflows. Unity’s plans page lists Unity MCP access, monthly AI tool credit allowances, and concurrent MCP connection limits across Personal, Pro, and Enterprise tiers.
Free planCode
AI Game Developer at ai-game.dev provides free and paid MCP tooling so AI agents can inspect and drive Unity, Unreal Engine, and Godot projects. The pricing page offers a free MCP server tier, a metered Indie hosted agent plan, and higher allowances for teams, with docs for Claude, Cursor, Copilot, and other MCP clients.
Free planCode
Universe is a visual no-code website builder for phones, tablets, and browsers with drag-and-drop blocks, AI-generated sections, templates, and commerce. Free sites include mailing lists and SEO tools, while Base, Pro, and Complete upgrades add storefronts, branding controls, analytics, and lower platform fees.
Free to startDeveloper tools
Unkey is a developer platform for modern APIs that unifies API key management, edge gateways, rate limits, and observability with Git-based deployments. The homepage promises minutes-to-production Docker deploys, preview environments, and a control plane for protecting and routing API traffic globally.
Free trialDeveloper tools
Unleash is an enterprise feature management platform built atop the open-source Unleash feature flag project, enabling progressive rollouts, experiments, and kill switches without redeploys. The site markets hosted Enterprise Edge, self-hosted, and hybrid deployments with SDKs for gradual delivery and AI safety controls.
Free to startAssistant
Unless is an AI customer agent platform built for regulated European businesses. It combines a customer-facing agent, auto-generated help center, and team co-pilot inside existing helpdesks, with Living Knowledge, audit trails, and compliance framing around GDPR, DORA, and the EU AI Act.
Free planAssistant
FreeUnlimitedChatBot is a browser-based chatbot positioned as unlimited and free for answering questions and creating images. The site is a lightweight Netlify-hosted web app with PWA metadata describing image creation and Q&A use.
Free trialImages
UnlimitedBG is background-removal software for Sparkbooth photobooth workflows on Windows and macOS. It advertises unlimited photos at a flat rate, full offline operation, and optional monthly or annual subscriptions per booth count.
Free tier unknownAssistant
BetterYou is a French-language personal productivity and self-improvement web app focused on tracking goals, analyzing progress, and staying motivated. Marketing copy positions it as a companion to become a better version of yourself through habit and objective management.
Free planResearch
unlock.domains is an AI domain name generator that turns a short project description into candidate domains and shows live availability across registrars such as Dynadot, Spaceship, Name.com, Namecheap, and NameSilo. Saved names can be copied or opened for registration.
Free planVideo
Unlucid AI is a web studio for AI video and image generation, including Video AI, Effects AI, Smart Edit, Create Image, and Simple Edit workflows. The homepage brands the service as a free uncensored AI video and image generator with community and tutorial sections.
Free trialVoice
Unmixr AI is a multilingual voice content studio for voiceovers, dubbing, transcription, voice cloning, and turning slides or scripts into narrated video. One credit balance covers voice, video, and dubbing workflows with API and automation options for production teams.
Free tier unknownAssistant
Uno Wallet is a smart wallet that automatically selects the best rewards credit card for each tap-to-pay purchase. The public site focuses on maximizing card rewards at checkout and invites visitors to join a waitlist rather than offering immediate self-serve signup.
Free to startAssistant
UnoPim is an open-source, AI-native product information management platform for centralizing catalogs, digital assets, and enrichment workflows. The vendor offers self-hosted downloads plus fully managed UnoPim Cloud hosting with agent tools, connectors, and industry-specific PIM modules.
Free planImages
Unprompted is a daily browser game where players guess the text prompts used to create AI-generated images. Each day offers three new images, blank letters for correct guesses, and a Yesterday tab to review prior answers.
Free planAssistant
unrav.io helps users organize, search, and transform LLM chat logs and knowledge into structured insights through AI-powered lenses. Free accounts include limited daily transformations, while Pro subscriptions unlock unlimited usage, premium lenses, audio generation, and vault storage.
Free tier unknownSustainability
Unravel Carbon is an AI-enabled sustainability management platform for measuring corporate and product carbon footprints, ISSB and ESG reporting, and supplier data collection. Plans page outlines Starter, Carbon Pro, and Carbon Enterprise packages with AI agents for data validation and gap analysis.
Free planWriting
UnravelX is an AI sales and marketing copilot for Southeast Asian SMEs that finds leads, publishes SEO pages, handles inbound conversations, and drafts outbound email. It spans discovery, outreach, and conversion with human approval gates before messages send.
Free planVoice
Unreal Speech provides a low-latency text-to-speech API powered by Kokoro-82M, streaming audio in about 300ms with optional per-word timestamps. Pricing tiers scale by monthly character allotments, and a browser studio lets developers preview voices before integrating.
Free tier unknownDocuments
Unsiloed AI parses PDFs, office documents, scans, and spreadsheets into structured JSON or Markdown for downstream AI apps. Pricing is usage-based per page with Standard and Growth monthly bundles plus enterprise VPC or on-prem deployments.
Free to startAssistant
UnSoloMind turns uploaded PDFs and knowledge files into GPT-based AI assistants that answer questions around the clock. Users create shared “Minds,” invite guests, and choose Basic, Pro, or Business plans with monthly credits, mind limits, and per-mind user caps on the public pricing page.
Free planWriting
uPass AI humanizes AI-written academic text so it reads more naturally and tests better against popular AI detectors and plagiarism checkers. The product combines an AI detector aggregator with rewrite modes aimed at essays, assignments, and papers for students.
Free tier unknownAssistant
Uplane is an AI marketing platform that acts as a performance marketing team, generating large volumes of on-brand ads and matching landing pages. It launches campaigns across Meta, Google, and TikTok and reallocates budget toward winning creative in real time, with managed growth and enterprise software options on the site.
Free to startVoice
Uplift AI builds Urdu text-to-speech, voice APIs, and AI calling agents for Pakistan, targeting appointment booking, lead qualification, and routine customer service. The homepage highlights 100+ realistic Urdu voices, a Studio for speech, developer APIs, and Calling agents with a Start Free entry point.
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