Best YC Application Tools (2026)

turgo gives your marketing team 5 AI Employees — Inbound Marketer, Outbound Rep, Calling Agent, Media Buyer, and Marketing Ops — coordinated by a CMO Brain. Content gets you found. Outbound gets you in. Calling gets the meeting. All autonomous working for you 24*7

AI agents write your code. You're still accountable when it breaks. The problem? You and your agents aren't on the same page. Revibe analyzes any repository in under 5 minutes. For you — an interactive interface with architecture maps, execution flows, and multi-level docs. For your agents — a structured agent_context.json that auto-syncs on every push. Same codebase, same understanding. Connect your GitHub repo and it stays in sync on every push. Human and agent, finally on the same page.

getclaw lets you deploy ready-to-use AI assistants in minutes. Your assistant remembers everything across conversations, runs proactive tasks on schedule like daily digests and competitor monitoring, comes loaded with 50+ skills from browser automation to file handling, gets its own email inbox, and runs in a fully isolated secure environment. No servers. No config. No maintenance. Just tell it what to do and let it work.

Take control over your health data across providers and countries. HDA parses, translates, summarises, and structures all your health records from 25+ formats + soon wearables and apps, with focus on medical records and logs. Chat to your complete health picture, spot gaps & trends; identify sensitive info and selectively redact it, safely plug into LLMs, share what you choose via fine-grained access controls. Essential for migrants, health tourists, longevity enthusiasts and chronic health

SwiftCruit evaluates candidates with AI-assisted coding environments and AI-driven, role-specific conceptual assessments, providing structured evaluation signals beyond traditional coding tests.

Audn is Protecting Open-ended Interfaces to Intelligent Systems, starting with Voice AI, Audn does penetration testing on voice AI agents and their backbone LLM by simulating adversarial simulations automated and driven totally by the best abliterated AI of the world, Pingu Unchained. Audn's customers include voice AI providers like Freya (YC S25) and Intouchnow.

Spec10x is an AI-native workspace that helps product teams figure out what to build, not just how. Our public beta v0.1 Interview Intelligence hub turns messy customer transcripts into structured, evidence-backed insights in minutes. Auto-Extract Themes: No more manual tagging. Evidence Trails: Every insight links directly to original user quotes. Ask Your Interviews: Chat with your data to uncover hidden patterns. Stop guessing. Start shipping features your users actually want.

Build, test, and deploy trading strategies in seconds. Turn plain English into production-ready trading bots powered by AI.

CodePup AI turns a simple prompt into a launch ready eComm store in 30 mins. Most AI site generators look great but break when you try to sell: checkout flows, variants, and cart behavior need real validation. CodePup AI ships the full suite (Auth, Catalog Management, Stripe, Resend, Analytics) and runs reliability checks via automated testing on core purchase journeys before you launch. Go live with 1-click deploy, add a custom domain, or export to GitHub.

Setting up OpenClaw shouldn't take hours. Deploy a fully managed & secure version of Openclaw in 60 seconds! We take care of infrastructure, AI inference & updates so you can focus on building your agents - not keeping them online. Train your agents, not your hosting skills.

Dictation keyboard + meeting transcriber that runs entirely on your iPhone. Dictate into any app, record meetings with live transcription, and get AI summaries. Everything is processed on-device with no internet required. - Short phrases (Snippets/dot phrases) for commonly used text - Supports 99+ languages - Speaker diarization identifies who said what - AI Polish fixes grammar inline - No data collection

Bootstrap team. No VC. We fine-tuned our own AI model and open sourced it. LumiChat is built around it with an agentic mode that writes and executes real Node.js code in a sandboxed browser (no server), persistent memory, Study Mode, and RAG for large documents. Multi-model support. ₹69/day. The model is ours, the code is open, and the agent is extensible by anyone.

Magnitude is your AI Product Analyst — connect your analytics and get actionable insights in minutes.

Running user interviews is hard. You miss follow-ups, ask leading questions, and only find the gaps when you listen back. CueLoop is a macOS app that coaches you during interviews in real time. It captures both sides of the conversation, transcribes live, and delivers gentle nudges through a discreet overlay near your Mac's notch. It catches bias, suggests follow-ups, and tells you when you're talking too much. A world-class UX researcher in your corner. Free during limited early access.

Most fitness apps are built for weight loss. OnlyGains is an operating system for high-performance athletes managing the complex ecosystem of training, nutrition, and recovery required for intense events like HYROX and Ironman.

If you’re a startup outside the EU, expanding to Europe means navigating GDPR, the AI Act, DSA, and multiple regulatory frameworks across 27 countries. We make it simple. From EU regulatory representation to privacy automation and operational infrastructure, we give global startups everything they need to operate in EU, all in one platform. Whether you’re a SaaS or AI startup entering the €20T EU market, EU Presence gives you the compliance and operational foundation to scale in the EU.

Snippet is an AI talent agent for content creators (10K–1M followers). Connect your socials, and Snippet analyzes your content, audience, and style. It then discovers brands that genuinely match your niche — not just your category — and explains why each one fits. It writes fully personalized outreach referencing specific products and proposing real campaign ideas. Runs on full autopilot, semi-auto, or manual. You pick.

I accidentally connected my OpenClaw agent to Notion and realized something: Chat is the wrong interface for managing an agent. 👎 Agents need a task board, not a conversation. With a task board you can track multiple tasks in parallel and share the power with your team just like you would collaborate with a human teammate. ✅

Airpoint lets you control any computer with your hands without any extra hardware. Hand motion and gestures are translated in real time into cursor control, shortcuts, and app/games interactions. Built for anyone whose hands are busy or unavailable: crafters, gamers, builders, devs and more. Take advantage of VR/AR without headsets or extra hardware. The input layer also makes it possible for AI agents (OpenClaw) to autonomously control computers. SDK available to include in apps and games.

InsForge is the backend built for agentic development. We offer everything AI agents need to build fullstack apps that scale. Our open source backend (2.3K stars on GitHub) provides databases, auth, storage, model gateway and edge functions accessible through a semantic layer that agents can understand, reason about, and operate end to end. Say the word, and you can deploy to InsForge Cloud or your own domain.

Just tell our builder agent what needs to be automated. Watch it in real-time building, testing and shipping your workflow, hands-free. It’s 2026; just vibe-automate it. On top, we launched a new way to earn as an AI builder. Just submit your workflow and start earning.

Clayzo lets product and design teams spin up their existing product, prototype directly on it, record walkthroughs, and leave contextual feedback tied to the real codebase. What used to live across screenshots, Looms, and Slack now becomes actionable tasks that engineers and coding agents can build from.

Outhop finds you customers that want to buy your product RIGHT NOW, then sells your product to them. We gather signals from various online sources (social media, job boards, etc) to find customers who have IMMEDIATE INTENT TO BUY your product. Then we send them personalized emails to book you meetings.

Oobo is Git for agents (and humans). It enriches your repo with additional context about AI usage, helping agents and teams understand why something was built, how decisions were made, and what happened around the code, not just in the final diff.

Flare is an AI-native social app where you capture signals (video, photos, texts, links, audios) of your life: where you are, what you're doing, who you're with. Autonomous AI agents (now 6, with more added daily) observe your patterns and your friends' over time, surfacing insights you wouldn't notice yourself. Your identity on Flare isn't something you build. It emerges from what you actually do, and evolves as your circle changes around you. No follower. No likes. No performative metrics.

ReplylessAI is a powerful AI email app that helps you hit 'Inbox Zero' and beautifully sorts emails into categories. Finally a solid AI Email Inbox with all the features of popular email apps, and don't burn your pocket. No need to pay expensive subscriptions to Superhuman nor triage emails through clunky command line chats.

Mac app that watches your screen and executes tasks automatically. Product managers constantly context-switch between Linear, Slack, docs, and customer calls. When they need AI, they have to manually copy context into a chat. Covalent watches your screen and builds a real-time knowledge graph to anticipate actions. Highlight “create ticket and notify eng,” and Covalent gathers context, creates the Jira ticket, and posts in Slack: no prompt needed.

Astrio is an AI agent that modernizes existing websites. Import from anywhere and transform old tech stacks into modern, editable websites in minutes.

LaunchSafe delivers agentic pentesting in a few clicks. Our AI agents actively try to hack your app across code and live environments to uncover real vulnerabilities. Unlike $10K+ pentests that take weeks or scanners that produce false positives, LaunchSafe proves exploits in ~3 hours with OWASP Top 10 coverage. Issues are verified by certified cybersecurity engineers, and our Fix Plan can automatically submit PRs to resolve them. Built for startups and teams that ship fast.

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

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.

Workflow automation for everyone; just record your workflow once and run it on autopilot forever. Automated spins up its own browser to complete your workflow, no integrations required.

MobileScreen is an AI agent for App Store screenshots. Just take raw screenshots of your app in the simulator and MobileScreen turns them into polished, ASO-optimized App Store screenshots for all device sizes. It can also upload them directly to App Store Connect. With the CLI tool, developers and coding agents like Claude Code can generate, update, and upload screenshots automatically as part of their workflow—making screenshot creation fully automated.

Noah AI lets anyone build and deploy complete crypto applications using plain English instead of writing code. Describe what you want and Noah generates the UI, onchain programs, and infrastructure needed to run the app. It also lets users spin up OpenClaw agents with their own wallets and built-in custom skills to interact with onchain protocols. Noah is how the next generation of Crypto apps gets built.

Architects and developers spend up to a week manually gathering site data before design can even begin, flood risk, planning rules, heritage restrictions, terrain, 3D Map, and more, scattered across dozens of websites. Atlasly does it in one click. Type any address and instantly get a complete site intelligence report. No GIS expertise. No tab switching. No wasted days. We're in beta with 1,000+ users and backed by Barclays Eagle Labs, Accelerate ME and Manchester Angels.

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.

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.

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!

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.

Clawcard is the first unified credential system for agents - one key provisions and manages credit cards, email, and a phone number. No cobbling together multiple services. No babysitting your agent through verification steps. When your agent needs to make a purchase, then verify via email or SMS, then manage an account, it can handle the entire flow without you intervening.

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.

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.

Glass turns AI anomalies into automated improvements through an infinite feedback loop that detects misbehaviors and feeds them into continuous evaluations to refine your agent.

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.

Buyers are getting answers from ChatGPT, Gemini, Perplexity, and Google AI before they ever click a website. Skayle gives brands a connected, research-backed workflow to win visibility in AI search: track where you’re cited, recommended, or ignored, uncover competitor gaps, turn those insights into brand-aligned content designed to rank in search and earn citations, and publish it directly to your CMS.

Stop wasting tokens on screenshots. Agent Browser helps AI agents browse the web using wireframe snapshots rather than screenshots or DOM dumps.

Coresignal's Data Search Lists lets you build B2B data lists using natural language and easily query multi-source company, employee, and jobs data. Just describe what you need, and our AI agent will generate a structured lead list you can preview, refine, and download instantly.