Every founder has at least one accounting nightmare story — a delayed tax return, a missed filing deadline, or a CPA who never answers the phone. Despite a decade of innovation in nearly every business function, accounting remains stuck in the past. Founders still spend hours manually entering data into platforms

Pixley AI is redefining the very concept of “screen time.” Founded in 2025 and based in San Francisco, this Fall 2025 Y Combinator startup is pioneering a platform where parents and children can co-create AI-generated cartoon shows. The innovation lies in its ability to merge creativity, education, and

The story of Metorial begins with two long-time collaborators, Tobias Herber and Karim (Wen) Rahme, who first met over a decade ago at a top technical high school in Austria. Their partnership was forged through shared interests in software engineering, system design, and entrepreneurship. Years later, they reunited as

In 2024, a group of ambitious young founders in San Francisco set out to tackle one of the most frustrating problems in modern life — the job search. The result was Sorce, a platform that has been dubbed “Tinder for Jobs.” True to its name, Sorce brings the simplicity of dating-

The inspiration behind Menza emerged from a simple but powerful frustration: data should make decision-making easier, not more complicated. In the modern landscape of e-commerce and consumer brands, companies are inundated with metrics — from advertising dashboards to sales reports and financial summaries. Yet, the challenge isn’t access

Brickanta is a Stockholm-based startup founded in 2025 with a clear mission: to revolutionize the way construction estimators and project managers work. At its core, Brickanta is described as a “Cursor for construction estimation and project management.” Much like Cursor accelerates developer workflows, Brickanta applies the same philosophy to

In an age where collaboration happens online more than anywhere else, developers are under pressure to build applications that not only handle text but also allow for seamless, real-time teamwork. Tools like Google Docs and Notion have set the standard for collaborative writing, yet recreating their functionality from scratch

Praxim is a pioneering startup founded in 2025 in San Francisco, backed by Y Combinator in the Winter 2025 batch. It introduces what the team calls the agentic AI Word editor, a transformative leap in how people interact with Microsoft Word. While Word has long been the gold standard for

The rise of AI-driven search engines like ChatGPT, Perplexity, Claude, and Google’s AI Overviews has fundamentally shifted how people discover information online. Traditional blue links and search engine optimization (SEO) strategies are no longer enough to guarantee visibility. Instead, companies now face a new challenge: ensuring that their

Booking flights has long been a universal pain point for travelers. Clunky airline websites, endless tabs, confusing forms, and hidden upsells often turn what should be a simple task into a 30–minute ordeal. BookMyFlight, founded in 2024 in San Francisco by entrepreneurs Arav Seth and Kesav Kosana, was born

For decades, compensation has been one of the most pressing yet poorly managed aspects of running a company. Despite the fact that salaries often represent the single largest line item in business budgets, decision-making around pay has largely remained opaque, slow, and error-prone. Executives and HR leaders have

The U.S. tax preparation industry is facing an unprecedented workforce crisis. As experienced CPAs retire and fewer graduates pursue careers in accounting, many tax firms are left overwhelmed. During peak season, phones go unanswered, clients are turned away, and websites are taken offline just to survive the volume of

Uplift AI is a mission-driven technology startup founded in 2024, part of Y Combinator’s Summer 2025 batch. The company is building foundational speech understanding and generation models for the five major languages spoken in Pakistan—Urdu, Punjabi, Pashto, Sindhi, and Balochi—languages that have been largely ignored by

Finto was founded in 2025 by three individuals who bring together a rare trifecta of domain expertise: product leadership, go-to-market strategy, and technical innovation. Jonas Morgner, Lorenz Neuner, and Linus Boehm are the minds driving this San Francisco-based startup that’s rethinking how enterprise accounting works in

In today’s fast-paced tech landscape, internal operations often suffer from a glaring paradox: despite advances in automation and AI, internal tools within companies remain painfully outdated. From onboarding trackers to launch calendars and status bots, much of the day-to-day "glue work" in fast-growing

Scientific discovery is often romanticized as a realm of breakthrough ideas and groundbreaking results. Yet, behind every eureka moment is an often-overlooked reality: hours of tedious manual labor. From pipetting to weighing, labeling to prepping, scientific research has long been bogged down by repetitive tasks. While automation solutions do

Outbound sales — especially in traditional industries — is broken. The process of generating qualified leads and booking meetings has become bloated, ineffective, and frustrating. Tools like Clay, Instantly, and Apollo promise automation but often create more work than they save. SDR (Sales Development Representative) teams require heavy investment — $150K+ before seeing

In the modern data-driven world, businesses generate and process vast volumes of information daily—fueling everything from product recommendations to financial models. Yet, working with this data at scale comes with a painful tradeoff: speed vs. cost. Organizations either pay a premium to cloud data platforms like BigQuery and

The origin story of YouLearn is rooted in the personal frustrations of three college students who were tired of outdated and ineffective study methods. The founding trio — David Yu, Achyut Krishna Byanjankar, and Soami Kapadia — met during their early weeks of college. Like millions of their peers, they wrestled with

Every year, U.S. hospitals and clinics face a staggering $40 billion problem — preventable documentation errors. These seemingly small mistakes, such as logging an incorrect medication time or omitting a required signature, often go unnoticed until it’s too late. The consequences are severe: denied insurance claims, failed audits, regulatory

In the fragmented world of U.S. post-acute healthcare, billing inefficiencies are not a surprise—they’re a daily reality. Agencies providing at-home care, including home health, nursing homes, hospice, and home care, collectively operate in a $400 billion industry. But every year, they lose an estimated $20

The American government—despite being the most powerful and well-resourced institution on the planet—has a software problem. In congressional offices, federal agencies, and local departments, public servants are bogged down by fragmented tools, outdated platforms, and manual workflows. Government work is incredibly important, but for many public employees,

In the labyrinthine world of U.S. healthcare billing, insurance denials are a costly, chronic problem. Healthcare providers collectively lose more than $260 billion annually due to denied insurance claims. Despite this staggering figure, fewer than 15% of these denials are appealed—largely because the process is excruciatingly manual, complex,

For decades, law firms have been shackled by outdated back-office operations—processes that are slow, manual, and full of friction. From vague time entries to delayed invoices and client pushback on billable hours, inefficiencies abound. In fact, U.S. law firms have over $100 billion of revenue trapped in

For decades, trading terminals like Bloomberg and FactSet have dominated financial desks globally. These platforms provide a vast array of data—charts, news, macroeconomic indicators, financial fundamentals—but they’re essentially sophisticated dashboards. They show the data; they don’t help you think with it. Traders, analysts, and investors often

Accounting has long been burdened by more than just numbers. A significant portion of an accountant’s day—between 30% and 40%—is consumed by something that isn’t billable and often feels administrative: navigating Outlook. Whether it’s following up with clients, answering recurring questions, or trying to trace

In today’s enterprise environment, knowledge workers face an overwhelming challenge: vital information is scattered across countless platforms. From Slack and Notion to Salesforce and Jira, data exists everywhere — but nowhere all at once. This fragmentation not only disrupts workflows but also limits the effectiveness of AI tools that rely

The world of B2B sales has long been plagued by inefficiencies. Despite rapid technological advancement across industries, the core mechanics of enterprise sales remain largely unchanged from decades ago. Revenue teams still waste hours crafting personalized documents and follow-ups. They struggle with low buyer engagement, unclear decision-maker intent,

Sim Studio is a groundbreaking open-source platform designed to make building and deploying AI agents as intuitive as designing a slide in Figma. Co-founded in 2025 by Emir Karabeg and Waleed Latif, Sim Studio has already earned over 4,000 GitHub stars in just two months — a clear

Fleet operations have long struggled under the weight of fragmentation and inefficiency. From small car rental businesses to expansive logistics enterprises, the common denominator is operational chaos. Companies are typically forced to stitch together a web of siloed tools—one for GPS tracking, another for dispatching, yet another for invoicing—

The American manufacturing sector has long been a symbol of innovation and productivity, from Detroit’s auto lines to aerospace hubs supplying NASA missions. Yet beneath the surface, much of this industry is held together by legacy infrastructure and an aging workforce. A surprising example? Sheet metal. Sheet metal fabrication—

In the modern healthcare landscape, one might expect that something as fundamental as scheduling a doctor’s appointment would be streamlined, seamless, and intelligent. Yet, despite the advancements in AI and digital health, over 42% of patient calls still go unanswered by clinics—due in large part to outdated phone

In today’s digital economy, the rise of solopreneurs—individuals who manage and operate their own businesses—has transformed how work is done across industries. From private chefs and photographers to personal trainers and caterers, these independent professionals are driven by passion. But beneath the surface lies a growing challenge:

In a world racing to integrate Large Language Models (LLMs) into everything—from copilots to search assistants to autonomous agents—one foundational problem remains: pipelines break. And when they do, the debugging process is painfully manual, slow, and often incomplete. That’s where Tropir enters the scene. Founded in 2024

Cascade Space is a next-generation deep space communications company delivering "communications-as-a-service" for lunar and deep space missions. Founded in 2025 by aerospace veterans Jacob Portukalian and Arlen Abraham, the company offers a turnkey solution for space agencies and commercial space ventures that need reliable,

In a world where software evolves at lightning speed, the hardware industry has remained stuck in a slower lane. Designing machines and robots is still a painstaking process involving endless CAD drawings, manual tweaking, and countless test iterations. Enter MorphoAI, a startup on a mission to bring hardware development into

In today’s rapidly evolving AI landscape, one problem persists: AI agents don’t learn. Despite advancements in natural language processing, multimodal models, and autonomous agents, most tools still rely on rigid, static behavior. AI agents often repeat mistakes, forget lessons from previous tasks, and lack the ability to generalize

In highly specialized fields like aerospace, fusion energy, or advanced manufacturing, sourcing precision-welded assemblies is a daunting challenge. Projects depend on timely delivery, impeccable quality, and full traceability—yet many contractors still rely on outdated workflows and manual processes. Smaller weld shops, while more cost-effective, often lack the

Kestral is a San Francisco-based startup on a mission to transform how businesses identify, prioritize, and act on high-impact work—particularly across the traditionally disconnected worlds of Sales and R&D. Founded in 2025 by longtime friends and Asana alums Brian Kim and Bernard Xie, Kestral is

Bookkeeping, accounting, and tax filing have long been time-consuming, expensive, and error-prone processes for small and medium-sized businesses (SMBs). Traditional accounting tools like QuickBooks and Xero require manual input and oversight, while even newer human-led services such as Fondo or Finta cannot truly scale. Small businesses

In a world increasingly defined by the speed of information, warfare has remained paradoxically slow. Tactical decisions often take minutes. Lives are lost because a human operator is manually piloting a drone or responding to a visual feed. Notus Autonomous Systems aims to bring military response times down from minutes

BitBoard is a San Francisco-based startup transforming healthcare operations through AI. Founded in 2025 by Connor Jones and Ambar Choudhury, BitBoard provides healthcare providers with AI-powered agents that take on repetitive, manual administrative tasks. These include reviewing patient intake forms, updating charts, and other low-leverage work that

Alkali is a San Francisco-based startup founded in 2025 with an ambitious goal: to transform how chemical projects are designed, scaled, and built. Traditionally, moving from lab-scale chemistry to full-scale production is a high-stakes process, often spanning years and costing hundreds of millions of dollars. Alkali

Every modern organization runs on tools—CRM dashboards, customer insights trackers, internal workflow pipelines, reporting systems. But for most go-to-market (GTM) teams—sales, customer success, marketing, support—those tools are either rigid off-the-shelf solutions that don't quite fit, or custom builds that sit at

In an era dominated by artificial intelligence, many industries have evolved dramatically — yet scientific research labs still struggle with outdated data practices. Labric, a 2025-founded startup in the Spring Y Combinator batch, is on a mission to modernize the way science works by addressing the most fundamental yet overlooked

For most modern software teams, end-to-end (E2E) testing is a paradox. It’s critical for delivering reliable web applications, yet implementing and maintaining it often feels like a burden. The core issue? Traditional testing tools like Cypress and Playwright require detailed scripting, brittle selectors, and tedious upkeep. Even

Cotool is a San Francisco-based cybersecurity startup founded in 2025 by Max Pollard, Eddie Conk, and Logan Carmody. The company emerged from a shared frustration among seasoned security professionals: despite advances in cybersecurity tooling, security teams continue to drown in repetitive work, fragmented systems, and mountains of documentation. The

In today’s fragmented healthcare landscape, patients are expected to be their own care coordinators. From tracking medical records across hospitals, to understanding overlapping conditions and managing multiple prescriptions, the burden often falls squarely on the shoulders of individuals—especially those with chronic conditions. Co-founder Viraj Mehta knows this

The practice of transactional law is built on precision, structure, and deadlines. But the primary tool most lawyers use—Microsoft Word—was never designed to support the meticulous, collaborative, and error-sensitive workflows required in law firms. Drafting a high-stakes contract in Word today is, as the Vesence team

The world of financial auditing is complex, precise, and highly time-sensitive. Yet, it remains shackled by inefficiencies that waste both time and talent. Auditors today are spending nearly half of their working hours on menial, low-value tasks: chasing down documents, manually checking figures, and combing through PDFs. These

In the age of large language models (LLMs) like ChatGPT, Gemini, and Claude, the way people discover brands has fundamentally changed. Traditional SEO tools and strategies—designed for search engines like Google—are rapidly losing relevance as users turn to AI-powered assistants for answers, recommendations, and decisions. For most

Modern healthcare organizations are rich in data but poor in insight. Hospitals, health systems, and health plans generate immense volumes of clinical, operational, and financial data—yet this data remains scattered across disconnected systems. From Electronic Health Records (EHRs) to finance software, staffing platforms, and procurement tools, the challenge isn&

In the fast-paced world of software development, security has become an ever-expanding pain point. While companies scale up development thanks to AI-assisted coding, traditional security tools remain slow, fragmented, and often ineffective. Vulnerability scanners frequently produce overwhelming volumes of false positives—30 to 50% on average—wasting

In 2025, ValueMate launched with a bold mission: to automate the real estate appraisal process using cutting-edge AI and LiDAR technology. The startup emerged at a critical moment for the appraisal industry, just as new federal regulations began reshaping how property valuations must be conducted. With the September enforcement

In the fast-paced world of mobile development, maintaining product quality while accelerating release cycles has become a monumental challenge. Bugs that slip through testing phases cause real damage—crashes that tank app store ratings, broken purchase flows that drive away users, and regressions that sneak past supposedly “green” CI

StarSling is a next-generation developer portal designed to eliminate the invisible tax developers pay when dealing with non-coding tasks. Founded in 2025 and part of Y Combinator’s Spring 2025 batch, StarSling introduces an agentic homepage that automates time-consuming tasks like deployments, debugging, incident resolution, and performance

In the intricate and high-stakes world of engineering, the journey from concept to reality often begins not with creativity but with constraint. Whether developing fusion reactors, fine-tuning semiconductor fabrication, or evaluating materials for aerospace systems, engineers face an all-too-familiar bottleneck: simulations. These simulations—used to model

For the first time in over two decades, Google's dominance in the search engine market has shown signs of decline. The rise of AI search platforms like ChatGPT, Perplexity, and others is reshaping how people find answers, make decisions, and discover new brands. Traditional SEO — built around keyword

In the world of enterprise sales, precision is everything — yet most sales teams are armed with generic tools that fail to deliver actionable insight. Enter Sixtyfour, a San Francisco-based startup founded in 2025. Sixtyfour is building the Bloomberg Terminal for Sales, empowering hypergrowth companies to deploy custom research agents

In the high-stakes world of hedge funds and investment firms, accuracy, speed, and efficiency are non-negotiable. Yet one of the most critical foundational processes — data cleaning — remains shockingly manual. Financial analysts and data engineers often find themselves combing through spreadsheets, reviewing PDFs, translating foreign documents, or even reviewing

In the modern age of artificial intelligence, every innovation comes with an equivalent rise in potential vulnerabilities. While AI systems are transforming industries—from finance and healthcare to logistics and legal services—they are also opening doors to new categories of cyberattacks that traditional security tools were never built to

Wholesale distribution is a $9 trillion industry made up of over 410,000 businesses and 6 million employees. It’s a massive and essential backbone of the global supply chain—but it’s also buckling under a growing strain. Sales teams in distribution companies are overloaded. With nearly a third

For decades, the mortgage lending industry has remained shackled to outdated processes and inefficient systems. While digitization has touched many industries, mortgages continue to rely on labor-intensive workflows. Nearly 80% of employees at traditional lending institutions still spend their time on manual tasks—filling out forms, reviewing documents, and

HABIT is a robotics startup founded in 2025 that is taking a bold and practical approach to automating labor-intensive neighborhood services. Based in El Segundo, California, and supported by Y Combinator’s Spring 2025 batch with Diana Hu as its primary partner, HABIT is rethinking how physical tasks like

In most modern companies, internal tooling is a silent crisis. Marketing teams rely on engineers to generate campaign reports. Operations staff wait weeks for custom dashboards. Finance departments struggle to extract data from disconnected systems. The result? Workflows stitched together with spreadsheets, rigid SaaS tools, and brittle no-code solutions

The LLM Data Company (TLDC), founded in 2025 and based in San Francisco, is on a mission to bring structure, clarity, and control to one of the most complex challenges in machine learning: evaluating language models and defining reward systems for reinforcement learning (RL). The team—Gavin Bains, Joseph Besgen,

The origin of Ticket Wallet is rooted in personal frustration. Founders Truman Gelnovatch and Ryan Clare—college friends who met on the Princeton Men’s Soccer team—turned a shared pain point into a powerful product. Truman had been manually flipping tickets for five years, juggling spreadsheets and constantly adjusting

In software development, documentation is a critical yet chronically neglected part of the workflow. Despite its undeniable value—especially for onboarding, knowledge sharing, and reducing support requests—few developers enjoy writing it, and even fewer teams maintain it effectively. As a result, documentation often falls out of sync with code,

Every salesperson knows the scenario: you're mid-call with a prospect, and suddenly you're hit with a tough question. Do you lower the price? Can your product handle an obscure technical request? Should you push for the close or nurture longer? In these high-pressure moments,

Bramante Biologics is on a mission to bring pharmaceutical manufacturing back to the United States—and to do it faster, smarter, and more securely than ever before. Founded in 2024 and based in Cambridge, Massachusetts, this cutting-edge startup is part of the Spring 2025 Y Combinator batch and is

In today’s hyper-competitive digital landscape, companies rise and fall based on how well they understand their users. The painful reality is that most don’t. According to industry statistics and product failure postmortems, 90% of product flops are tied to flawed assumptions about user needs. The intent might

In today’s tech-driven world, regulatory compliance is no longer optional—it’s a requirement. Yet for most startups and scaling companies, compliance processes like SOC 2, HIPAA, or ISO27001 are a painful distraction. Founders and engineers often find themselves buried under checklists, evidence collection, control mapping, and risk

In an era where artificial intelligence applications demand increasingly complex data architectures, HelixDB emerges as a timely and essential innovation. Founded in 2025 and based in San Francisco, HelixDB is a graph-vector database purpose-built to support retrieval-augmented generation (RAG) and AI applications. Developed by founders Xavier Cochran

The creator economy has evolved from a niche trend into a powerhouse of economic activity. With over $250 billion circulating through platforms like YouTube, Twitch, TikTok, Patreon, Substack, and Instagram, millions of individuals have turned content creation into legitimate, lucrative careers. These creators are entrepreneurs in every sense of the

In the modern age of business hyper-growth and information overload, scaling a company isn’t just about hiring faster — it’s about staying organized, agile, and aligned. As teams grow, leaders often find themselves buried under a mountain of tools, status update meetings, and endless Slack threads. According to

VoiceOS is a San Francisco-based startup redefining the hiring process for front-line roles in large organizations. With its voice-powered AI agents, the company automates interviews to screen every applicant the moment they apply, offering an intelligent, scalable alternative to traditional recruiting workflows. Founded in 2023 and part

In 2025, a team of brilliant physicists from Stanford and Harvard launched Photonium, a Palo Alto-based startup with a bold mission: to transform the world of optical design through artificial intelligence. While countless industries rely on advanced optics—from quantum computing to biomedical imaging—most optical systems are still

In the ever-evolving world of software development, one challenge remains stubbornly persistent: documentation. Developers love writing code, but rarely do they enjoy documenting it. Incomplete, outdated, or missing internal documentation can lead to onboarding delays, misunderstandings, and ultimately, inefficient teams. Enter Nimbic AI, a startup founded in 2025 by

Founded in 2025 and based in New York, Trapeze is a healthcare technology startup revolutionizing the way patients and providers connect. Positioned at the intersection of artificial intelligence and medical operations, Trapeze is not just building another scheduling tool—it’s crafting an AI-native version of Zocdoc for the