YC Application Tools

Describe your business in a few sentences. Get a fully deployed online store in minutes. Products, checkout, payments, admin dashboard, hosting, all seamlessly integrated. Rovela doesn't use templates, our AI analyzes your business then generates a custom store on top of a battle-tested SDK. A $1M/year brand already migrated from Shopify. A $10M/year company left WordPress. A YC company chose us over building their own. No code, no plugins no developer. Just describe what you sell and launch!

ArtCraft is Cursor for film. It's designed by filmmakers and artists with features most AI image and video tools lack: control and consistency. Our 2D canvas and 3D stage enable fully precise articulation and blocking of scenes and get rid of random "dice rolling". ArtCraft has full intentionality and repeatability so you "craft" instead of prompt. ArtCraft is open source and lets you to bring your existing subscriptions. Finally, ArtCraft has the powerful Seedream 2.0 model before the US launch

Monostate is an all-in-one AI training platform. Fine-tune LLMs with your own data using SFT, DPO, or RLHF — no training scripts required. Compare commercial and open-source models side by side with built-in benchmarking. Deploy to GPUs (A100s to H100s) with one click and autoscaling. Supports LoRA, QLoRA, and full parameter training across dozens of architectures. Works with Llama, Mistral, Phi, Qwen, and more. From data to production in minutes, not weeks.

Aligno connects user feedback, roadmaps, and codebases in one system. Teams upload interviews, tickets, and Slack threads. Aligno then synthesizes themes, generates evidence-backed roadmaps, and connects directly to the codebase via MCP so AI coding agents like Cursor and Claude Code build with full product context. No guessing what to build.

Whisker turns plain-English descriptions into production-ready parametric CAD models. A multi-agent AI pipeline generates real B-Rep geometry, verifies it using a proprietery algorithm, and iteratively fixes issues - all in under 1 minute. Every dimension is a tunable parameter. Export one-click to STEP, STL, or natively into Fusion 360 with full feature trees and linked user parameters. Real parametric CAD. Free to start.

Law firms are sitting on decades of winning work but every lawyer still starts from scratch. Casero turns a firm's existing cases, emails, and documents into a living knowledge graph. Every AI answer links back to the exact source passage. Closed cases become reusable precedent, matched by facts and legislation, not keywords. And the system flags blocked deadlines before they become problems. Most legal AI is a smarter search box. Casero is institutional memory.

Organizations secure buildings, networks, and data. The digital influence reaching people inside their physical locations is uncontrolled. RevFirma creates a digital perimeter that allows organizations to control the digital influence surrounding their property. We first tested the system in Carlton Landing, Oklahoma, absorbing 146,000+ external ad impressions targeting people inside the community. Every physical place has digital influence. RevFirma gives owners control of it.

Every mobile browser is a solo experience. Basement Browser turns every webpage into a live social room. Land on the same page as someone else and you're instantly connected. Then there's Baselings: AI agents that live in your browser, track prices, find better deals, monitor stock, and surface context you'd never think to search for. No extensions. No copy-pasting into ChatGPT. Your browser just works for you. Browse together. Shop smarter. Your phone's browser, finally upgraded.

AI Memory is a privacy-first browser extension that captures, organizes, and lets you seamlessly recall your ChatGPT, Gemini, Perplexity, Grok, and Claude conversations locally without data leaks.

Generate novel UI components, animations, and interactions by chatting with AI. Make your vibe coded app look not vibe coded.

Monitor is a comprehensive set of evaluations for video models aimed at creative teams looking at qualitative measures. Things such a visual fidelity, cinematography a well as industry specific metrics like copyright compliance and diversity measures. We aim to be the bloomberg of video ai!

The marketplace where AI agents and humans trade services. Post listings, hire agents, trade compute, and build the agent economy.

NeuralAgent operates your entire computer — it sees your screen, opens apps, clicks buttons, and manages files like you would. With Skills, it gains infinite capabilities: connecting to Gmail, Calendar, GitHub, Slack, Notion, and 30+ services through API, UI, and CLI. Just tell it what you want in plain English.

Retell turns any YouTube, TikTok, Twitter/X, or Instagram video into 40+ formats with one click. Paste a link, get social posts, whiteboards, infographics, cheat sheets, AI podcasts, handwritten notes, comic strips, newsletters, and more. No other tool produces visual outputs like whiteboards and infographics directly from a video URL. No competitor supports all 4 platforms. Most tools give you text summaries. Retell gives you an entire content library. Free to try, no account required.

Coasty deploys AI employees on secure cloud VMs that work like humans browsing, clicking, typing across any app. #1 on OSWorld (82%). Handles CAPTCHAs, runs scheduled Routines, and covers 10+ departments. Full audit trail. Starts free. Deploy in 60 seconds.

Create AI agents that conduct voice conversations with your team and complete follow up tasks for you.

TokenZip Protocol reduces AI-to-AI communication bandwidth by 80% and latency by 95%. Open standard for heterogeneous agents. Try the live demo. Test API Base URL: https://tokenzip.org Auth: Authorization: Bearer demo-investor-key How to call it: See the following comment

Connect Pushary to Cursor, Claude, or Lovable via MCP. Get a push notification the moment your AI task completes. Stop tab-switching. Free for a month.

Harness Studio lets AI agents control desktop applications, Blender, GIMP, Kdenlive, and Electron apps through Codex. No MCP, no complex config. Agents self-install packages and start working. Studio is the visual interface that ties it all together, allowing you to edit videos in English.

The better Ghostty, Superset, and tmux experience for Windows (and MacOS). Codirigent puts all your sessions in one persistent workspace. - Real-time status per agent - Custom layouts - Git worktree support - Session resume with same permission states. - System notifications like MacOS do - Copy and paste image directly to your session - and more! Built in Rust with GPUI, ~40MB memory, 22MB on disk. Open Source GPL-3.0.

Everyone is coping the same UI/UX started by ChatGPT. Since the natural language become the primary way we interact with all devices and apps, the entire UX should be changed. Menus, sidebars, and all traditional UI elements will no longer be necessary since you can simply ask for anything. Who wants to scroll lines and lines of text for a quick answer?