3404 matching
TeachMe.To
San Francisco
TeachMe.To is an in-person private lesson marketplace that connects students with vetted local coaches across sports, music, and other categories (pickleball, golf, tennis, yoga, etc.), live in 250+ U.S. cities with 5,000 instructors.
Rime
San Francisco
At Rime, we're on a mission to make voice AI feel more human. We bring deep linguistic and machine learning expertise to the problem of bridging the gap between humans and machines. Our technology is designed to bring warmth, authenticity, and emotional nuance to digital interactions, making conversations with machines feel more like conversations with real people. And our voices drive real results, like 15%+ call success, 23%+ increased sales, and 25%+ IVR containment for high growth startups and fortune 500 brands.
General Proximity
San Francisco
**General Proximity** The next generation of induced-proximity medicines. Active biotech drug-discovery San Francisco **Founders** Armand Cognetta Founder Armand completed his PhD in Chemical Biology at the Scripps Research Institute un
Mentra
San Francisco
Mentra is building MentraOS, an open-source OS for smart glasses, aiming to own the software stack for the next generation of personal computing and to compete with Apple and Google. Team includes six years in smart glasses and MIT/Tsinghua
Tenkara
San Francisco
It provides Ops Agents tailored for American manufacturers, directly serving manufacturing operations in the United States. By concentrating on the U.S. market, it positions itself as a provider of Ops Agents specifically for American manuf
Serif
San Francisco
"People have a voracious appetite for a better way, and yesterday’s ‘wow’ quickly becomes today’s ‘ordinary’."
SigNoz
San Francisco
SigNoz is an open-source observability platform that helps developers monitor applications and troubleshoot problems, offering an open-source alternative to DataDog and New Relic. It has a strong community (21k GitHub stars, 6k Slack member
Joon Health
San Francisco
Joon Health offers an integrated digital platform for pediatric behavior disorders (ADHD, autism, anxiety, depression), aiming to become the first-line digital treatment; since 2022 it has 20,000+ paying subscribers and over $6 million in f
Neon Health
San Francisco
Neon Health automates patient access workflows for pharma companies, streamlining benefit verifications, prior authorizations, financial assistance enrollment, onboarding, and adherence management to accelerate access to life-saving treatme
AgentMail
San Francisco
AgentMail is an email API that allows your agent to have its own inbox. Think of it like Gmail, but for AI Agents instead of humans. Developer-first in everything we do, always.
OLLY
San Francisco
OLLY is a maker of premium nutrition and wellness products. Our mission is to inspire lifelong healthy habits by bringing simplicity, inspiration and delight to the world of vitamins and supplements.
Leaping AI
San Francisco
Leaping AI provides self-improving voice AI agents for business, enabling natural phone and web interactions, automating up to 70% of repetitive calls across ~100k daily calls with 90% CSAT, backed by Y Combinator and real-time autonomous l
TaxGPT
San Francisco
TaxGPT offers an AI co-pilot for tax accountants, claiming to boost productivity and profits by 10x with a proprietary AI model. With 50,000+ users, it aims to transform tax research and compliance and is expanding hiring for sales roles.
Better Auth
San Francisco
Better Auth, founded by Bereket Engida, is a TypeScript authentication framework and infrastructure platform offering user management, analytics, bot/fraud detection, transactional messaging, and session storage; it is open source with a co
Hammr
San Francisco
Hammr modernizes payroll and HR for the U.S. construction industry, offering a construction-specific alternative to platforms like ADP and Paychex in a $2.2 trillion market. Backed by $5M from YC and industry leaders, it's billed as a Rippl
Partcl
San Francisco
Partcl develops the next generation of chip design automation tools powered by GPUs and AI, claiming its tools are 1000x faster than legacy options.
Camfer
San Francisco
Camfer enables engineers to use natural language for CAD tasks, building AI agents that autonomously design, source off-the-shelf parts, and generate drawings. It has Y Combinator recognition and OpenAI's o1 hackathon wins, plus a $4.8M see
Hamming AI
San Francisco
Hamming automates testing for AI voice agents, creating simulations with real conditions to ensure reliability. Led by CEO Sumanyu and CTO Marius, it uses OpenAI/Anthropic tech and has seen 8x revenue growth last month.
PacerPro
San Francisco
PacerPro helps legal teams derive insight from public information to inform timely case strategy decisions. With $5 million in funding and a veteran engineering leader, it is rapidly expanding into state courts to unlock a firm's collective
Mithrl
San Francisco
Scientific labs waste weeks learning & coding pipelines that do not carry over to the next experiment. Using just natural language, Mithrl builds them custom workflows for NGS data on-demand, in minutes -- not weeks. This allows them to focus all their time on running higher quality experiments.
Bluejay (YC X25)
San Francisco
Bluejay is an end-to-end testing platform for conversational AI with a voice focus, backed by Y Combinator and investors. It positions itself as an arbiter of truth, emphasizing safety, security, compliance, adversarial testing, and red tea
Oway
San Francisco
Oway is an AI-driven rideshare freight platform in the US trucking industry that fills unused capacity by connecting a marketplace of carriers and businesses to coordinate shipments, backed by Y Combinator and investors including Uber, Flex
Sunflower
San Francisco
Sunflower is a seed-stage startup with a 10-person team pursuing sobriety for 1.2 billion people affected by addiction. Founders bring YC, Techstars, and Rupa Health experience, with past products delivering up to $75M/year and nine-figure
Sonia
San Francisco
San Francisco startup developing Sonia, a safe AI therapist designed to clinically match 99th percentile human therapist and broaden access to mental health care. A team has raised $3.5M from YC, Moonfire, Verkada, Reddit, Instacart founder
Emobi
San Francisco
Emobi delivers a unified platform for seamless, secure EV charging, powering apps, fleets, and automakers while maximizing charger utilization; it integrates 122,000+ chargers across the U.S. and Canada, the largest North American ecosystem
SaaSGrid
San Francisco
SaaSGrid is the first financial analytics platform for recurring-revenue businesses, unifying data from CRMs, billing, accounting, and spreadsheets to empower teams to collaborate on data-driven decisions. Backed by Craft Ventures, SaaSGrid
Cartage
San Francisco
Cartage is an AI-managed logistics platform that functions as a logistics team for shippers, with Wilson coordinating booking, tracking, and end-to-end shipment management for manufacturers and distributors.
RetailReady
San Francisco
The company provides a unified retail compliance solution with real-time monitoring integrated into warehouse operations and brands' tech stacks, serving the retail and supply chain compliance market.
BuildBuddy
San Francisco
BuildBuddy was founded to boost developer productivity by democratizing access to world-class engineering tools that are typically reserved for employees of large companies, making them available to everyone.
Orchid
San Francisco
Orchid (W23) is an AI-powered EHR for independent mental health professionals. Based in San Francisco, it has a four-person team and was founded by Joseph Pomianowski.
Accend
San Francisco
Accend builds AI-powered risk, compliance, and underwriting automation tools for fintechs and banks. A YC S23 graduate, it has raised $6.2M in seed funding from Adverb Ventures, YC, General Catalyst, and 645 Ventures; clients include Pleo,
Jampack AI
San Francisco
Jampack is on a mission to make wholesale radically simple. Our AI agents streamline the end-to-end operations of getting physical products on shelves. Brands like Ghia, Fishwife, and Cascade Water save 20+ hours a week automating manual and repetitive tasks. Start your free trial at jampack.ai
Minoa
San Francisco
Minoa, founded by Max and Richard, fixes B2B sales with AI and unstructured data for enterprise clients like Personio, Cognite, and Templafy, claiming to impact $100 million in client revenue and a roadmap spanning marketing, sales, custome
Pier
San Francisco
Pier is a fintech compliance platform for license management and regulatory reporting, enabling the next generation of financial services providers and expanding financial access for Americans. It has an oversubscribed round from top-tier v
Persana AI
San Francisco
Persana AI, a YC Winter 2023 startup, aims to revolutionize how companies execute go-to-market strategies, led by CEO Sriya Maram and co-founder Rush Shahani, with backgrounds at LinkedIn and NLP-focused roles at ElementAI and Shopify.
Penciled
San Francisco
Penciled is a healthcare tech company building an AI-driven patient engagement agent for physical therapists to automate time-consuming front-desk tasks; part of Y Combinator's Winter 2024 cohort and deployed across multiple PT chains natio
DeepSource
San Francisco
DeepSource is a unified DevSecOps platform that analyzes code changes to identify and fix security, performance, anti-patterns, and bug risks across every commit and pull request, integrating with GitHub, GitLab, and Bitbucket.
Ocular AI
San Francisco
Ocular AI offers an annotation engine for Generative AI, Computer Vision, and Enterprise AI, with Ocular Foundry for labeling, versioning, and deploying data, and Ocular Bolt leveraging a global expert workforce to accelerate labeling at sc
Olive
San Francisco
Olive enables companies to create internal tools by describing their needs in natural language, positioning itself as the fastest way to create internal tools. It has raised a $2.1 million seed round and is scaling its team.
Finta
San Francisco
Finta is a platform that consolidates taxes, bookkeeping, and financial metrics for startups in one place, replacing traditional bookkeepers and QuickBooks, by integrating with Brex, Ramp, Stripe, and other tools to act as the source of tru
FullEnrich
San Francisco
Not "yet another email & phone finder". We aggregate contact infos from 20+ premium vendors. This means that if we can’t find the emails & phone numbers of your leads, no one else can. Enrich leads your way with our Bulk CSV enrichment, or our CRMs, Zapier, n8n and Make integrations.
Nango
San Francisco
Nango is a San Francisco-based, remote B2B software company building an open-source platform with a single API for all SaaS integrations. Founded by Robin Guldener and Bastien Beurier, it has YC participation, $2M funding, 300+ production c
AgileMD
San Francisco
AgileMD develops a cloud-based hospital decision-support platform used by thousands of physicians across hospitals and clinics in the United States, headquartered in San Francisco, delivering care decisions grounded in current medical knowl
DocMatter
San Francisco
Catalogued medical knowledge doubles every 73 days. At DocMatter, we enable physicians to harness the power of these big data sets to deliver the best possible patient outcomes. DocMatter is an AI-driven digital health company that has developed an online, peer-to-peer collaboration platform that streamlines knowledge access across a global network of highly-engaged healthcare professionals. Every physician has a unique combination of experiences, expertise and interests and DocMatter provides them with a time-saving platform to discover, share and learn. The problems we address are profound: - Medical error is the third leading cause of death in the US (Johns Hopkins) - Only 55% of patient case treatment algorithms follow recommended care standards (NEJM) - Once new clinical data proving superior patient outcomes for a medical product is released, it takes ~17 years for standards of care to change (World Bank) - Tens of billions of dollars are spent every year on SG&A by the healthcare industry getting new and innovative medical products in front of doctors (E&Y) - The US spends more than $10,000 per individual or 18% of GDP on healthcare, with estimates nearing $1 trillion dollars in total waste (JAMA) DocMatter provides physicians with actionable insights that every day lead to life-changing outcomes for patients around the world. We are scaling fast, come join us!
Attention Engineering
San Francisco
Attention Engineering builds an AI-powered desktop assistant that helps users analyze and automate their digital workflows.
Egress Health
San Francisco
Egress Health automates dental insurance revenue cycle management, making accepting insurance as easy as cash by sending claims, tracking payments, and collecting reimbursements. It’s live at dozens of private clinics and groups and has a Y
Lamar Health
San Francisco
Lamar Health leverages data science and AI to scale staff expertise for specialty medication workflows and automate patient paperwork, building infrastructure that connects care teams, clinics, and patients.
Dioxus Labs
San Francisco
Dioxus Labs develops cross-platform apps using Rust and maintains an open-source project competing with Flutter, React Native, and native toolkits. With nearly 20,000 GitHub stars and participation in the GitHub Accelerator, it has gained n
BootLoop
San Francisco
BootLoop specializes in hardware and firmware reliability for advanced technologies, enabling rapid development and testing for rockets, fusion power, supersonic aircraft, and medical devices; founded by Chris Markus (SpaceX firmware/Starsh
Vly.ai
San Francisco
vly.ai is building an AI full-stack development platform that can architect, build, deploy, and iterate on complete applications autonomously, aiming to replace most full-stack work within a year and competing with Replit, Lovable, and bolt
Morph
San Francisco
MorphLLM develops Fast Apply models for code editing AI, claiming the fastest LLM code-editing inference engine, delivering 10,500 tokens per second per request on Nvidia hardware. Its stack enables high-throughput AI workflows for coding a
Intercept
San Francisco
Intercept uses AI to automate auditing of retailer and distributor fees in the CPG sector, disputing invalid charges to recover money for brands and strengthen trust in transactions among brands, distributors, and retailers in a multi-trill
Andy AI
San Francisco
Andy AI is a seed-stage startup automating clinical documentation for home-visit nurses by turning visit audio into completed forms, cutting the 90-minute process and improving care for older adults while addressing America's nursing shorta
Orchids
San Francisco
Orchids is an AI app and site builder, one of the fastest-growing in its market, leveraging cutting-edge AI to transform how apps and websites are built. It aspires to be the last tool people need to deploy apps and sites.
Revamp
San Francisco
Revamp AI is a YC-backed retention-marketing startup for ecommerce brands, aiming to redefine the space. It has seven-figure ARR, rapid growth, and a client base including Dollar Shave Club, Fellow, Outdoor Voices, and Neuro, with plans for
Community Phone Company
San Francisco
The company offers a cloud-based phone system for small businesses without call centers, aiming to prevent missed orders and enable modern telephony without IT staff; it was part of Y Combinator W19.
Temper (ex Unnbound)
San Francisco
Unnbound is developing the first agentic integration platform for global supply chains, replacing manual analyst work with LLM-powered AI agents to automate mission-critical integrations, addressing brittle middleware and lagging B2B deals
Pairtu
San Francisco
Pairtu is a healthcare coordination platform connecting Medicare patients with dedicated advocates to navigate care and secure better outcomes, led by Harvard-educated entrepreneurs; it operates in a $60B market with million-dollar run-rate
Empathic Labs
San Francisco
San Francisco-based, engineering-first company building AI conversations that feel like real people, with real-time, native integration in FaceTime and iMessage. Backed by BoxGroup and led by a Thiel Fellow and YC alum who recently sold his
BlueAlpha
San Francisco
BlueAlpha develops an AI-native operating system for marketing that unifies data pipelines, applied ML, and automated decision-making into a single platform. Founded by former Tesla engineers, it turns noisy marketing data into weekly, camp
VoiceBit
San Francisco
VoiceBit is a San Francisco Bay Area startup delivering voice-first ordering for restaurants, aiming to reduce costs for users and increase restaurant profit margins through technology; backed by Berkeley SkyDeck, it seeks to transform the
Tessel AI: Rigorous Medical Imaging AI Evaluation for Hospitals
San Francisco
Tessel builds evidence infrastructure for safety-critical AI, providing independent validation and benchmarking for medical imaging AI in collaboration with academic centers, delivering standardized metrics and regulatory-aligned evidence t
April
San Francisco
April is an AI Executive Assistant for email and calendar that is voice-first and productivity-obsessed, backed by Y Combinator; it launched in August and has shown traction as it grows, aiming to give every busy professional the assistant
Planbase
San Francisco
Planbase is a flexible AI-powered platform that embeds intelligence into operations, tailoring to each workflow to boost speed and accuracy; it serves healthcare organizations touching 100M+ patients, including $500M+ revenue leaders, with
Nell
San Francisco
Nell reimagines media for the AI era, aiming to transform how people engage with content. Led by SoundCloud's founder, Nell seeks to be world's leading generative-media company with highest quality and to democratize access to personalized
Exponent
San Francisco
Exponent builds specialized software engineering agents to automate the software engineering lifecycle for large engineering teams. By envisioning engineers managing fleets of AI agents, it aims to shape the future of software engineering a
Meridian
San Francisco
The company catalyzes the next generation of consumer experiences by redefining how people interact with products and services, driving innovation in everyday engagement and shaping how brands are experienced in modern markets.
Augrade
San Francisco
Augrade Inc is an AI research lab building an agentic platform to automate construction workflows across design, estimation, and vendor management, aiming to create an AI architect and engineer that can realize projects for users regardless
Ohm
San Francisco
Ohm is a San Francisco-based AI-first company applying AI to battery research, validation, and manufacturing workflows. Backed by Y Combinator and other investors, it leverages a lean, multidisciplinary team of engineers, creatives, and PhD
Swizzl
San Francisco
Swizzl helps car dealers convert hesitant leads into confident buyers before they walk through the door, generating more ready-to-buy traffic and smoother closes for auto dealerships with a no-pressure, no-chasing approach to lead conversat
Tally
San Francisco
A stealth accounting AI startup focused on AI for accounting, backed by high-profile investors and leaders from Shopify, Rippling, OpenAI, Bill.com, and Airtable, signaling strong confidence in its approach within the AI and accounting spac
Kalos
San Francisco
Kalos is an early-stage, high-growth startup in San Francisco, currently in stealth mode, that has built Blue, an AI agent.
Domu Technology Inc. (YC S24)
San Francisco
Domu Technology Inc. automates debt-collection calls for banks and insurers, serving six Fortune 500s and major firms including MetLife, BBVA, and BNP Paribas Cardif. A YC alum with a female-led team, it reduces costs and improves recovery
Cua
San Francisco
Cua builds infrastructure for general AI agents to safely use computers and apps. It offers an open-source framework and cloud sandboxed container platform, a seed round, 9k+ GitHub stars in four months, and a research-backed blueprint for
Trellis AI
San Francisco
Trellis provides an AI agent that automates healthcare administrative workflows—such as intake, prior authorizations, and appeals—positioning itself as a solutions-focused partner to increase provider revenue while reducing administrative b
Chief AI
San Francisco
It builds a system of AI-native products to supercharge leaders in government and the C-suite, shaping a leadership-focused approach across government and the executive suite.
Chima
San Francisco
Chima helps leading institutions customize and scale generative AI by integrating and analyzing private and public data to privately leverage commercial LLMs; it builds infrastructure for enterprises to customize LLMs and automate functions
Cardinal
San Francisco
The company offers an AI platform branded as The AI Platform for Precision Outbound, providing AI-powered tools for precision outbound outreach.
Dalus
San Francisco
Dalus develops AI-powered software that makes hardware design feel like software development, targeting aerospace, robotics, and defense. Founded in 2024 by Eliot and Sebastian, it has revenue and completed YC W25.
Tread ai
San Francisco
Tread is an AI-powered operating system for construction materials logistics, serving producers, contractors, and haulers in a $91B market. It unifies the ecosystem on a system of record, eliminating spreadsheets, text threads, and lost tic
Sci-Phi
San Francisco
Sci-Phi (SciPhi-AI) is an AI tooling company building an open-source, multi-purpose LLM framework for retrieval-augmented generation (RAG) and synthetic data creation, used by developers to build and evaluate AI agents.
Palm
San Francisco
Palm specializes in business identity management, pursuing the future of Business Identity. It uses AI and data identity to manage and securely share business identity information with partners, enabling controlled access and permissioning.
Outspeed
San Francisco
Outspeed provides tools and infrastructure for building real-time multimodal AI applications, enabling developers to create real-time AI experiences across multiple modalities. Backed by Pear VC and Audacious Ventures.
A37
San Francisco
The company offers a generative AI-driven platform to automate and optimize DevOps workflows, reducing cloud overspend and deployment delays. It targets startups and enterprise DevOps teams and has raised an X.XM funding round from a tier-1
Promptless
San Francisco
Promptless builds AI teammates that integrate with users’ existing workflows, serving startups and Fortune 500 enterprises. It ranked among the top W25 by revenue; small founding team has led startups, published LLM research, and graduated
Sepal AI
San Francisco
Sepal AI provides PhD-level experts for AI model development, backed by YC-backed founders from Vercel and Turing. Since 2024, it has raised millions and counts Fortune 500s and top AI labs as customers, building the largest global talent g
Prelude AI
San Francisco
The company is building an AI-native platform that makes financial advisors more effective, transforming wealth management by advancing advisory capabilities with advanced technology. Backed by a world-class founding team from top fintech a
Verne Robotics
San Francisco
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Conductor Quantum
San Francisco
Conductor Quantum, based in San Francisco, develops software to enable fault-tolerant quantum computation. A small team of quantum physicists, hardware engineers, and machine learning experts envisions scalable operation of thousands to bil
Humeo
San Francisco
The company operates an AI-powered short video content creation platform and aims to build the fastest content-creation engine on earth, offering participants significant ownership from day one.
Entangl
San Francisco
Entangl uses AI to autonomously detect design errors in data center engineering and operations, delivering targeted solutions to engineers. Founded by Shapol and Antanas, ex-reusable rocket program leaders, Entangl aims to save time, reduce
Novoflow
San Francisco
Novoflow deploys AI employees for medical clinics, building computer agents to modernize healthcare and automate front- and back-office tasks across a fragmented 400+ EHR ecosystem; contracts secured, backed by YC advisers and top investors
Onlook
San Francisco
Onlook provides the fastest way to build, deploy, and iterate websites and web apps, bridging design and development. It reached #1 on Hacker News and was the top-trending GitHub repository with 19,000+ stars, founded by Daniel Farrell and
Additive AI
San Francisco
Additive AI, founded in San Francisco, builds AI-powered tools to automate document-heavy tax and accounting workflows; acquired by Thomson Reuters in 2025, it operates as part of a global leader to help professionals make faster, more info
Pearson Labs
San Francisco
Pearson Labs presents itself as a small, high-impact, lean team focused on delivering meaningful results, emphasizing impact over scale; no information is available about its mission, products, services, or market position.
Fractional AI
San Francisco
Fractional AI builds bespoke generative AI software to move AI from concept to production, with all projects deployed. Based in San Francisco, it employs senior engineers and emphasizes experienced, high impact delivery, and is actively hir
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Indigo (In Stealth)
San Francisco
An AI healthcare startup enabling physicians to own independent practices, aiming to reshape healthcare. It achieved product-market fit in under 9 months with ARR of xMM and a pipeline to xxMM by 2026, led by technologists, physicians, engi
Archon
San Francisco
Archon develops automated, full-stack systems to secure critical public infrastructure and advance national cybersecurity at the intersection of national security and infrastructure protection. The company is rapidly growing, signaling mome
Chestnut
San Francisco
Chestnut is the first AI mortgage lender licensed in Texas and Colorado, completed YC X25 and backed by Y Combinator and Olive Tree Capital, founded by Spencer Brown to disrupt the $128B mortgage market with AI.
Conduit Intelligence
San Francisco
The company develops noninvasive thought-to-text technology to bridge communication between people and devices by reducing the language barrier.