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Celest is a backend-as-a-service for Flutter and Dart developers. It empowers Flutter developers with the tools and capabilities they need to become full-stack developers. We are introducing "Cloud Widgets", a set of primitives which enable you to declaratively define every piece of your backend and infrastructure in Dart. As the role of the front-end developer evolves towards full-stack proficiency, we recognize that existing tools have fallen short for those specializing in Flutter. Using the programming language and patterns Flutter developers already know from building their frontend, Celest enables developers to build and connect their apps to their backend with no additional tooling. We enable Flutter developers to concentrate on building features and delivering value to their customers rather than learning additional domains and fragmenting themselves across disparate toolchains.
San Francisco, CA, USA1-50 employees
CellType is building an agentic drug company. AI agents that run the full drug discovery pipeline on top of biological foundation models that simulate human biology. Our core technology, developed with Google DeepMind, has already discovered and validated a new cancer treatment signal. We’re working with Top 10 pharma.
New York, NY, USA1-50 employees
Cellbyte's AI agents help pharma companies launch new drugs worldwide. Market-leading firms are using Cellbyte to answer questions like “What price can we achieve for our new drug in the U.S. versus Germany?“. The three co-founders have known and worked with each other for many years: Daniel brings 5+ years of industry experience from his previous job at leading global Life Sciences consultancy Simon-Kucher. Felix has sold $3m+ ACV deals to customers like H&M for his previous YC startup. Samuel holds an MSc in Information Systems from TUM, and has built enterprise AI applications from scratch as ML Engineer at Celonis.
Munich, BY, Germany1-50 employees
Cenote builds AI sales reps for online health clinics and deploys them for abandoned-cart and win-back campaigns. Today, digital and telehealth clinics rely on generic text blasts or human follow-up for speed-to-lead and customer reactivation. Since the lead has often gone cold and the outreach isn’t personalized, conversion is frequently below 1%. Cenote’s AI agents reach out immediately, communicate on the patient’s preferred schedule, and operate across channels—dramatically increasing conversion rates and unlocking revenue that otherwise goes unrealized.
San Francisco, CA, USA1-50 employees
Centauri AI is a modern ETL and Data Science platform for banks and investment firms, starting with Structured Finance. Financial firms heavily rely on Excel, PDF, and PPT files to exchange complex asset details, leading analysts to spend hours crunching the files and extracting insights. Moreover, these data files and reports cannot be easily reused due to poor data infrastructure. Powered by AI, our product cuts hours of data wrangling work down to minutes and makes it possible to query past data easily. This helps firms evaluate assets faster and win more deals. Since launching last month, we've started a pilot with a brokerage team at a public investment bank that now uses our product daily. Aiming to serve over 100,000 investment teams needing complex data analysis for alternative investments, this opens up a potential $5 billion market.
1-50 employees
Central kills back-office work for startups. While HR/payroll platforms give you software to figure it out, Central actually does all the work using AI agents and human experts: payroll, benefits, compliance, accounting, taxes, and more. That's 10+ hours back every month. Thousands of founders trust Central. Learn more and start for free at centralhq.com
San Francisco, CA, USA1-50 employees
Centralize helps revenue teams operationalize multi-threading and drive warm pipeline. Reps at companies like Sendoso, Ethena, and Navattic use us to automatically map stakeholders, track evolving account priorities, and fill contact gaps by leveraging their networks for warm intros.
San Francisco, CA, USA1-50 employees
Cercli is the single modern platform for Middle East & North Africa (MENA) businesses to hire, manage and pay their global workforce. We automate your local and remote payrolls, HR, onboarding, compliance, expenses and more - to help organisations reduce human error and stay fully compliant.
1-50 employees
Cerebrium is a serverless infrastructure platform for AI applications. We make it easier for companies to build and deploy AI based applications. We offer Serverless GPU's with low cold start times, over 12 varieties of GPU chips, allow you to run large scale batch jobs, run realtime voice applications and much more. We are used by the teams at Tavus, CivitAI, Twilio and many more. Customers typically experience 40% in cost savings when compared to using traditional cloud providers and can scale models to more than 10K requests per minute with minimal engineering overhead.
New York, NY, USA1-50 employees
Cerrion helps manufacturers automatically detect, understand and eliminate problems on their production lines using video-based Computer Vision. Our AI leverages standard CCTV cameras and learns how a manufacturing process looks like when things are going well and can automatically detect and track problems in real-time. For example, one of our customers, a Pepsi supplier producing 500 bottles per minute now automatically detects and reacts to a fallen bottle before it starts blocking their production line.
Zürich, ZH, Switzerland1-50 employees
Patients enter their insurance and visit reason, and we use machine learning to predict and guarantee their out-of-pocket costs for every health provider. For health providers, we ensure their patients always pay the bill.
1-50 employees
Certus AI is replacing the restaurant phone line with Voice AI. Restaurants lose up to $100,000 per year per location from missed calls, lost orders, and abandoned hold lines. Staff are overwhelmed. IVRs frustrate customers. Call centers are expensive and impersonal. It’s 2025. Guests don’t leave voicemails or wait on hold. They just move on. Certus is an AI voice agent built for restaurants. It answers every call, 24/7 — taking orders, processing deliveries, booking reservations, upselling, and handling complaints in English, Spanish, French and more. Certus is built to manage the phone line end to end, from the customer call to the restaurant tech stack, with zero human intervention required. It currently integrates with industry-leading systems like Toast, Square, Clover, UberEats, DoorDash, and more. We’re building the voice layer of the modern restaurant — the employee they’ll never fire. We started Certus because we lived the pain. Gurveer (CEO) grew up answering phones in his family’s restaurant and helped operate them, growing from 1 to 11 locations in 7 years. Later, he and Adam (CRO) ran a restaurant growth startup to help others increase revenue, but kept watching clients bleed cash because no one picked up the phone. So we built the solution the industry always wished existed. Until now, this problem was considered unsolvable. But Voice AI has finally crossed the conversational chasm and 72% of consumers now prefer AI over humans as long as it means faster and better service. More importantly, the market is begging for this. The North American restaurant industry crossed $1 trillion in 2024, and it's projected to hit $1.5 trillion in 2025. Yet over $100 billion is still lost annually to missed calls, human error, and outdated tech. As the market continues to grow, so do the losses! Our customers say it best: - “Certus changed my life overnight.” - “We were losing the ability to give great in-house service — the phone was killing us.” - “70% of my business comes through the phone. That’s mine and my 16 staffs livelihood.” - “Before Certus, I used to lose 40 - 60 calls a day…. now my printer just stays printing!” - “I’ve been in the business 38 years. I’ve been waiting for this since then.” Certus is here to fix the $120B phone problem — one call at a time. And in doing so, we’re redefining how the restaurant industry communicates forever, starting with the phone line.
Cerulion is an open source operating system for robots built by 2 MIT robotics PhDs. Companies like Amazon Robotics and Boston Dynamics AI Institute are using us to develop faster and ship more reliable robots than with ROS. With up to 1000x improvements in communications performance over state of the art, Cerulion is enabling the next generation of embodied AI.
1-50 employees
Chamber puts your AI infrastructure on autopilot. Our agentic AI enabled platform orchestrates, governs, and optimizes your AI infrastructure so teams can run ~50% more workloads on the same GPUs without manual intervention. It operates like an autonomous infrastructure team: continuously monitoring GPU clusters, forecasting demand, detecting unhealthy nodes, and reallocating resources in real time to where they create the most impact. Your ML teams move faster, infra waste drops, and GPU bottlenecks disappear.
San Francisco, CA, USA1-50 employees
Your team focus on closing deals, while AI SDR supplies you with meetings booked with decision makers
San Francisco, CA, USA; Remote1-50 employees
Channel3 is building a database of every product on the internet. Google and OpenAI maintain vast product graphs, but keep that valuable data to themselves. Channel3 gives every developer access, opening a world of possibility for new shopping experiences across any vertical. For instance, developers could build AI fashion stylists or give their agents shopping capabilities. We don’t just collect product data; we actually understand it. With the latest image classification and reasoning models, we can match products across merchants—even when listings and images differ—recognize variants, and surface the perfect matches for every search. As we grow, we’ll capture unique insights into what users want, click, and buy. As AI models get smarter and cheaper, our flywheel accelerates: our catalog will improve, and it will be even easier for developers and vibe-coders to build on our infrastructure. To further incentivize building on Channel3, we provide built-in monetization; developers earn commissions on sales they drive. Alex discovered this need while building an AI tutor that could recommend products and earn affiliate revenue. When no solution existed, he persuaded his smartest friend from Duke and former co-founder George to leave Palantir and build Channel3 together.
New York, NY, USA1-50 employees
Char is an open source AI notepad for meetings that listens in the background, transcribes what’s said, and turns messy conversations into clean, searchable notes and summaries, all while keeping your data on your own computer so you can work offline and focus on the conversation instead of typing.
1-50 employees
Chariot is building financial products for nonprofits, starting with the first ever online payment system connecting Donor Advised Funds (DAFs) with nonprofits. DAF’s have $250 billion in assets and grant out over $52 billion per year to nonprofits. It’s the fastest growing segment of philanthropy, by far. Chariot now powers seamless DAF giving for tens of thousands of nonprofits, including some of the most well-known nonprofits in the country, like Memorial Sloan Kettering Cancer Center, Central Park Conservancy, Boys & Girls Club of America, Pan-Mass Challenge, and March of Dimes. DAFpay is also now a primary payment option on leading fundraising platforms like GoFundMe, Givebutter, DonorDrive, Springboard by Jackson River, Engaging Networks, and dozens more. We are already driving tens of millions in new online DAF Giving by thousands of donors, and we’re only getting started.
New York, NY, USA1-50 employees
Charm makes sending money as easy as sending email. Most people juggle multiple payment apps and scattered balances. Charm lets you pay anyone — no matter what app they use — and earns you 5% interest on your balance, automatically.
New York, NY, USA1-50 employees
Chart's Unified Tax Record API provides a direct bridge to tax records from the IRS, state tax agencies, and major tax preparation platforms such as TurboTax and H&R Block.
1-50 employees
Chasi deploys AI agents that help equipment dealers sell more, respond faster, and maximize fleet utilization - 24/7. One-third of the cost to build and maintain the physical world goes to equipment, yet fleet utilization across the industry often sits below 60%. Billions in assets sit idle while dealers drown in phone calls, emails, and manual data entry. Missed quotes, slow follow-ups, and disconnected systems mean lost revenue every day. Chasi plugs into a dealer's existing stack to deploy AI agents that handle sales, rentals, and service requests around the clock. The result: faster response times, higher utilization, and stronger margins, without adding headcount. We automate the busywork so teams can focus on what actually grows the business: customer relationships. Akash Pavan and Sarman Aulakh have built tractors, race cars, and robots, and previously led AI deployments at Tesla, Boeing, and Cummins, where they saw firsthand how much operational value gets left on the table in equipment-heavy industries. Chasi is live across equipment businesses in the US and Europe.
New York, NY, USA1-50 employees
Chatter is Postman for LLMs. Our platform helps companies and developers test their LLM models. Iterate on prompts, run them across model families and evaluate them against test cases – all in one place. With collaboration features, engineers can design LLM chains while QA can write test cases.
Philadelphia, PA, USA1-50 employees
AI assistants are replacing search for local businesses. When someone asks ChatGPT for a plumber or hotel recommendations, reviews are the primary training signal, especially in local markets where other data is sparse. This is GEO (Generative Engine Optimization). Cheers is the full-stack GEO platform for local service businesses. We audit AI visibility, build optimization plans (schema markup, citation fixes, review strategy), and give frontline teams NFC tools to generate reviews with employee-level attribution. Vivint generated 70,000+ five-star reviews in 5 months. They now rank #1 on ChatGPT and Google Search across their markets.
San Francisco, CA, USA1-50 employees
Cheq is a modern UPI payments app for NRIs and international citizens visiting India. Using Cheq, you can pay digitally at over 55mn+ merchants across India. We help tourists avoid ATMs and minimize their foreign exchange costs while in India.
Bengaluru, KA, India; San Francisco, CA, USA1-50 employees
Cherry is the only AI promotion management platform. We help online stores boost revenue and increase their marketing ROI by delivering and tracking dynamic promotions. Cherry uses AI to improve the targeting of promotions to new and existing customers in real-time Cherry has helped its customers increase conversion rates by up to 51%. Cherry is lead by an expert founding team. Isaac has a PhD in maths and delivered AI at McKinsey, Rian is an ex-Microsoft software engineer.
Singapore, Singapore; Melbourne, VIC, Australia; Remote1-50 employees
Chestnut is the first AI mortgage lender. We automate 99% of human work with AI agents, saving customers 0.5%+ in interest. This is Spencer's second mortgage startup; the first processes 2% of US mortgages annually. So far, Chestnut is licensed in Texas and Colorado where we power purchases, refinances, cash-outs, and more.
San Francisco, CA, USA1-50 employees
Chiron is an iPad app that understands math as it’s written - like Grammarly for algebra. We’re both Oxford math grads, have tutored for a decade, and we’re creating the future of learning which will be entirely 1-on-1.
San Francisco, CA, USA1-50 employees
Chonkie builds deep research agents that surface non-obvious signals from scattered data. Our agents combine public and private sources to deliver detailed, continuously updated research that stays current as underlying facts change. We open source most of the libraries and infrastructure we build. Our most popular library, Chonkie, handles chunking and embedding for AI applications with 100K downloads/day and adoption by OpenAI, Microsoft, and LlamaIndex.
1-50 employees
Keto friendly, flexitarian entrees made from plant protein combined with pure beef fat, collagen, and broth. Full of authentic flavor and ready in four minutes, Choppy! is better for you AND the planet. The company was founded by Stanford mechanical engineers Saba Fazeli and Brice Klein: -Saba was the first R&D engineer at Beyond Meat where he developed and scaled all of their textured proteins. -Brice was the fourth engineer at vertical farming company Plenty where he led the commissioning of their new, multi-million dollar farm.
Los Angeles, CA, USA1-50 employees
Chordio is building PRDKit, Design Rails, and Chordio to help product teams plan, prototype, and QA design work so they can ship polished interfaces with less overhead.
Issaquah, WA, USA; Remote1-50 employees
Chow Central is building technology to disrupt the food industry in Nigeria. The goal is to profitably provide food to as many people as possible in record time. Chow Central has launched its first product "500chow". A delivery-only quick service restaurant that serves customers in record time. 500chow has 10x lower costs than traditional brick-and-mortar restaurants, and 10x more online orders. Our customers love us for our super fast and cheaper deliveries. We are able to do this by launching hyper-locally within a 3km radius. We are very focused on solving real problems in the food industry one scalable product at a time.
Lagos, LA, Nigeria
Founded in October 2021, currently based in Lagos, Nigeria, Africa’s most populous city, Chowdeck is an on-demand food delivery service and marketplace where people can purchase their favourite meals from a wide range of restaurants. Whether local or continental, customers can buy food in a few short steps and have it delivered to their doorstep in under 30 minutes. Chowdeck is on a mission to empower restaurants in Africa to deliver meals to customers anywhere and anytime. Part of our unique offering to the restaurants listed on our marketplace is that we’ll help them grow, and so far, most of the restaurants we work with can boast of this achievement. With their help and the help of an ambitious team of relentless and fearless riders, we’ve delivered over 80,000 meals in the last six months in two major cities in Lagos. We’ve come this far because we’re passionate about understanding the teething pains of delivery service in Africa and believe strongly in a world where ordering a meal is seamless.
LA, Nigeria1-50 employees
Battle-tested + highly modular vision infrastructure to convert PDFs, PPTs, Word, Excel, PNG, and JPEGs into LLM-ready data. We started by building lumina.sh - where we needed to parse ~600M pages of scientific literature. The researchers didn't care - but devs wanted our ingestion pipeline. So we built chunkr instead. We offer high quality layout analysis, OCR, bounding boxes, granular VLM controls, semantic chunking, and all the last mile engineering that goes into building standout AI applications. Common use-cases include RAG, and automating document workflows like invoices/medical reports -> database.
1-50 employees
End-to-end accounting workflows executed by AI agents. - Invoice capture + upload to ERP/POS - Invoice payment + reconciliation - Tax filings - CFO insights on demand
Bogotá, Bogota, Colombia; Remote1-50 employees
Cinapse is reimagining the production schedule: the foundation of every film and TV project. We’re building the OS of Hollywood, starting with the tool that filmmakers use every day. Besides the script, nothing is more foundational to filmmaking. There’s no accurate budget without a schedule. No execution plan without one. The schedule is the map that takes us from idea to image. Cinapse helps filmmakers draw that map better, faster, and together.
Los Angeles, CA, USA; Remote1-50 employees
Circleback helps teams get the most out of every conversation with best-in-class AI-powered meeting notes, action items, automations, and search. For example, Circleback can automatically identify feature requests that come up in product demo calls and create Linear tasks for each of them, or update your CRM with customer details after a sales call. Before Circleback, Ali led the first integration of LLMs into the Stripe support product and Kevin worked on predictive analytics at Tableau as a senior software engineer.
1-50 employees
Circular is accelerating the adoption of the circular economy by making subscriptions the best way to access and experience tech: from smartphones, laptops, and headphones to gaming, VR and wearables. Our customers get their hands on the best tech through low-cost, convenient subscriptions. They can pay monthly, keep it as long as they want, and if they love it, buy it. If they return it, we carefully refurbish it and pass it on to the next loving owner - radically extending its useful life.
Singapore, Singapore1-50 employees
Meet your new AI prospecting agent — powered by Ciro. Sales reps today juggle a lot — hundreds of daily cold calls, LinkedIn follow-ups, email sequences — all while trying to sound human and build real connections. Before any of that, they spend hours trying to figure out who to reach out to. It’s a constant battle between speed and quality — and under pressure, speed usually wins. But in the age of AI, we don’t think that tradeoff should exist. That’s why we built Ciro Autopilot — to help you build high-quality lead lists, faster than ever.
San Francisco, CA, USA1-50 employees
Founded in 2022 and based in San Diego, California, Cisterna Biologics is a technology company. It aims to solve some of the challenges currently facing the biotech industry to develop mRNA-based therapeutics – quality, quantity, longevity and cost of mRNA. As mRNA technology matures, it becomes imperative that these issues are solved so we can fully explore mRNA's endless possibilities as a therapeutic. Cisterna uses proprietary technologies to either remove a contaminant at its source or replace the source itself. For example, to remove double-stranded RNA (dsRNA), we use ribozymes - molecular scissors - to precisely cut the mRNA at its 3’ end. This assures not only 3’ homogeneity, but also eliminates dsRNA, which are primarily produced due to self-templated additions at the 3’ end. Utilizing a PCR-like system to amplify the DNA template in large quantities eliminates the requirement for plasmid enrichment in bacteria, the prime source of endotoxin contamination. These are just a few examples of Cisterna’s powerful technologies being used to achieve our goal of 10x higher quality mRNA for therapeutic application.
San Diego, CA, USA1-50 employees
Clad is project management and billing software for infrastructure. The world is rebuilding its internet and power networks. The utilities, internet companies, and contractors tasked with this work face immense pressure to deliver. But their tools haven’t caught up. Contractors struggle to grow, constrained by cashflow. Operators fly blind, lacking real time visibility into issues. Clad unifies project operations and finance to automate project tracking, payments, and permitting. With Clad, contractors grow faster and improve their margins. Operators execute smoothly. And everyone can focus on what’s most important - building.
New York, NY, USA1-50 employees
free codegen from brainrot workflows in your IDE.
San Francisco, CA, USA1-50 employees
Clado puts 800 million+ people profiles (and growing) at your fingertips with simple, agentic search. If you’re interested in a global people search for sales, spreadsheets, hiring, and more, try our product at clado.ai
San Francisco, CA, USA1-50 employees
Post-acute care loses billions to broken revenue infrastructure. Claim Health prevents it. We catch denials before they happen, automate the work drowning ops teams, and connect every step from referral to cash so agencies can scale without adding headcount. Kevin and JJ bring nearly a decade of experience building and scaling healthtech companies across different segments. Post-acute care is a $400B market with over $20B in annual revenue leakage due to broken revenue infrastructure. Claim Health is fixing that.
New York, NY, USA1-50 employees
ClaimSorted helps insurance companies remove the hassle of managing claims by enabling them to outsource their claim operations to us. This service is known as a Third Party Administrator (TPA). Unlike traditional TPAs, we blend AI and best-in-class experts to deliver a 5-star customer experience, minimise mistakes and speed up claim assessment.
1-50 employees
AI frameworks like OpenClaw have a major issue: data security. Whether you're an enterprise or an individual exploring AI, your data should stay protected. Clam brings enterprise-grade security through their “Semantic Firewall”, a security checkpoint that sits around the AI's environment at the network level. Our system runs a series of scans on anything your AI sends out into the world and everything that comes in to catch inconsistencies before they turn into problems. Each message is scanned for personal info leaks (SSNs, credit cards, private keys), prompt injection attempts (jailbreaks, instruction overrides), and malicious code (reverse shells, encoded execution). To keep your data even safer, API keys and secrets are injected at the network level so the AI never sees or stores your credentials. Deploy and set up broad-access AI agents built on security with Clam.
San Francisco, CA, USA1-50 employees
Clarion is building the most advanced AI communication layer for healthcare. Our AI agents handle the overwhelming volume of calls and messages that clinics face daily—from scheduling to billing to prescription refills—freeing staff to focus on patient care. We're an in-person company based in New York. Today, clinics miss 30-40% of inbound calls due to staffing shortages. We're solving this by automating complex workflows end-to-end, already serving tens of thousands of patients monthly across virtual care companies, health systems, and a $5B health insurance company. We've raised $5.4M from Accel, Y Combinator, Sequoia (scout), and healthcare founders from Ophelia, Medallion, and Counsel Health. Our founders bring both clinical and technical expertise—our CEO Ryan is a Stanford/Harvard-trained physician who was on the founding teams of Two Chairs and Ophelia, while our CTO Jeffrey built voice AI at Amazon Alexa and led AI/ML teams at Salesforce. Join us as we transform healthcare communication—creating a future where patients get faster resolutions and providers reclaim time for what matters most.
New York, NY, USA1-50 employees
Clarity is an AI cybersecurity platform that detects deepfakes and protects organizations from AI-driven media manipulation, offering an end-to-end security overlay for hiring and media workflows.
Tel Aviv$16m11-50 employees
AI / MLFoundation Model ProviderB2B SaaSSeries A$10M-$50M
You only need two tools to build a business in 2026 - Cursor for building and Clarm for sales, distribution, and support. Our AI captures inbound, qualifies buyer intent, and routes revenue across every channel while you build.
San Francisco, CA, USA1-50 employees
Clarum is an investment due diligence and research platform designed for private equity investors. It connects directly to a firm’s data sources, structures key financial metrics and deal terms, and performs analysis with AI across Excel, Word, and PowerPoint—mirroring the approach of an associate conducting due diligence. Clarum is trusted by private equity firms, family offices, venture capital groups, and consulting teams. We automate major parts of the diligence workflow, enabling faster insights and better risk coverage.
San Francisco, CA, USA1-50 employees
Claybird makes studio-quality video ads in under 72 hours for brands like Coca-Cola, Walmart, Eight Sleep, Delve, and Mercor. Claybird’s AI agents use single-image NeRFs, fine-tuned image editing models, and eval layers for picture-perfect, consistent results at scale.
San Francisco, CA, USA1-50 employees