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Odigos leverages eBPF technology to create an open-source solution that can automatically generate distributed traces for any application without any engineering work. Developers are struggling with extracting and delivering high-quality monitoring data. Currently, building a pipeline is a manual process that takes months to implement, is an error-prone process that requires tons of code changes across multiple R&D teams, and demands collaboration.
Commercial CompanySoftware ApplicationsDistributed ComputingSoftware DevelopmentDevelopersEnterprisesOpen SourceOn Premise SoftwareSeries A
Odo is your email assistant because you deserve a better morning. Odo can help you organize, draft emails, and follow-up effortlessly after meetings.
Commercial CompanyApplicationsSoftware ApplicationsCross IndustrySmall BusinessesEnterprises
OfOne is building software to automate order taking at fast-food drive-thrus. Using conversational AI, we help restaurant chains operate more efficiently and level-up their customer experience. OfOne can answer questions, intelligently upsell - like suggesting ice cream on a hot day - and always says please and thank you. There are 200,000 drive-thrus in the US and they are the industry's largest order channel. Our mission is to deliver human centric experiences that help restaurant operators prosper, deliver delight for their customers, and empower their workers.
Commercial CompanyApplicationsSoftware ApplicationsSpeech
We make premium plant-based whole-cuts with an authentic texture through our proprietary Cross-Fiber Assembly™ platform. More than 85% of our customers agree that Offbeast products have the best texture they've ever had in a plant-based meat product.
Commercial CompanyProduct ManufacturingRetail OperationsRetailHospitalityConsumers
Pests and pathogens cost the world hundreds of billions of dollars every year. Existing technologies like agrochemicals are no longer working. Ohmic Biosciences uses protein engineering to design resistance genes for crops that are robust to pathogen evolution.
Commercial CompanyScientific ResearchBiotechnologyAgricultureEnterprises
Oki AI tells you everything you need to know to run your company. By reading your team’s code, tickets, messages, and more, Oki delivers personalized - and interactive - updates daily to you and other leaders.
Commercial CompanyApplicationsSoftware ApplicationsSoftware DevelopmentDevelopersEnterprises
Okibi is a web app that lets you create AI coworkers using natural language. It's like Lovable for creating AI agents that talk to your internal software Corporate users lose 2 hours every day doing tasks that can be automated with agents But existing agent builders have janky drag and drop UIs that don’t map to what they want exactiy. Okibi lets everyone use natural language to build the exact agent they want.
Commercial CompanyAgentsSoftware ApplicationsAgent ToolingSoftware Development
Evaluating models for social behavior, safety, and performance through multi-agent simulated games. We use popular games like Catan, Risk, or Poker, and make humans come play them against talking AI opponents, but on the backend we're actually running a multi-agent environment used to evaluate the models for skill and behavior over large sample sizes. You can play in Social Arena and view our preliminary benchmarks today at https://olamlabs.ai/
Commercial CompanyResearch orgsModel EvaluationAgent ToolingAI Research
Olio labs uses AI to develop combination therapeutics that consider the thousands of interacting proteins in your body rather than targeting just one or two. Their lead combinations target obesity and are more effective with fewer side effects than Ozempic, the fastest growing drug of all time. Their custom ML built from real-world expertise and cutting edge AI searches trillions of combinations to find the perfect one.
Commercial CompanyAI for scienceScientific ResearchSoftware ApplicationsBiotechnology
We are building the technical infrastructure to train and pay the 53M family caregivers in the US.
1-50 employeesJobs (yc) ↗
Commercial CompanyApplicationsHealthcare DeliveryEducationProfessional ServicesHealthcareConsumersProfessional ServicesHosted Software
Omanta is a personalized research lab for patients who have exhausted standard options, want to prepare proactively for recurrence, or are living with an unresolved diagnosis. We direct the full operational infrastructure, personnel, expertise, and technology of a large research program toward understanding and addressing the challenges of individual patients across oncology, rare disease, and undiagnosed conditions. For clinicians, we act as a collaborative partner, providing a living roadmap for ongoing patient care built on a rigorous and evolving scientific evidence base. We fully operationalize patient-specific research programs, covering tissue logistics, diagnostic follow-up, data integration, multiomic analysis, therapeutic strategy development, and more. Omanta brings context and clarity to complex cases, helping clinicians see more of the scientific picture as they decide how best to care for their patients.
San Francisco, CA, USA1-10 employees
Commercial CompanyScientific ResearchHealthcare DeliveryProfessional Services
Omnara brings Claude Code and Codex to your phone. Start a coding session on your desktop, then seamlessly hand off to mobile and keep building whether you're commuting, traveling, or away from your desk. Code in local or remote environments with full context preservation across devices. Plus, use voice to code hands-free by having natural conversations with Omnara to build, debug, and ship from anywhere.
Commercial CompanyAgentsAgent ToolingCompute HostingSoftware Development
Omoi (formerly Azuki) is Netflix-style Japanese comic subscription service where users can subscribe for $4.99 a month to unlock access to all the manga on the service. Free users have access to select chapters with ads.
San Francisco, CA, USA; Remote1-50 employees
Commercial CompanyContent ProductionSoftware ApplicationsMediaConsumersHosted SoftwarePublications
Onboard is a SaaS which automates & streamlines the customer onboarding & implementation process. Easily create dynamic launch plans (customized per customer), which are collaborative with clients and visible to all stakeholders. Onboard is built for onboarding by a team that spent a better part of the last decade onboarding some of the worlds largest brands.
Commercial CompanySoftware ApplicationsSoftware DevelopmentEnterprisesSmall Businesses
OneCLI is a credential isolation gateway for AI agents. Agents see placeholder tokens instead of real API keys and OAuth credentials, the real secrets are injected at the network layer, so a compromised or misbehaving agent can never leak them. Teams get per-agent access control, full audit logs, and one-click integrations with Gmail, GitHub, Jira, Slack, and 50+ other apps. OneCLI is open source (2.5K+ GitHub stars, 300K+ downloads), Already the default credential layer for products like NanoClaw.
San Francisco, CA, USAJobs (yc) ↗
Commercial CompanyAgentsAgent ToolingSoftware ApplicationsSecurity
OneGrep is a DevOps Agent that helps engineers automate manual devops tasks. It works across integrations that teams have to search, correlate, and operate automated tasks like runbook automation during incidents. OneGrep specializes across devops tools to help teams release code faster and more reliably so that engineers can spend more time building rather than being trained in bespoke tools like Observability, Ci/Cd, or Infra. Achintya and Brian are technical co-founders who have deep domain expertise in building and operating systems at scale at Coinbase, Disney, and Amazon. Achintya led the Search Team at Disney enabling DisneyPlus to scale to 70M users in two weeks. Brian was a founding engineer on the team that built the Incident Management Platform at Amazon that helps 30k DAUs in Amazon resolve critical incidents every day. https://www.onegrep.dev
Commercial CompanyAgentsSoftware Applications
OnePatch is a forward-deployed AI SRE. It instruments your services, watches how they actually behave in prod, catches incidents, and drives each one to resolution. Think Datadog, except it doesn't stop at telling you something broke: it keeps going until the fix is shipped.
San Francisco, CA, USA1-10 employees
Commercial CompanyAgentsAgent ToolingSoftware Applications
OneText is disrupting SMS marketing and payments. We win incremental sales for direct to consumer brands by making every purchase as effortless as paying with your hotel room number. OneText shoppers literally reply and buy with one text. In our first year, we’ve onboarded 50 fast-growing e-commerce brands and have added as much as 14% in incremental revenue to their bottom lines. In March, we generated $597,000 dollars in payments. In April, we’ll book $50,000 dollars in revenue. Founders Jonathan Fudem/CEO and Daniel Brain/CTO met at PayPal Checkout where we designed and launched some of the world’s best checkout experiences. We left PayPal to build a payments company that actually helps merchants acquire customers and win sales. The CMO of our largest customer, a $90M clothing brand, says we have revolutionized marketing for his company, and are, quote: “the best thing that’s happened to SMS marketing in forever.” We are excited to share what you can do with OneText.
Commercial CompanyApplications
TrustAI provides governance for agents that interact with critical systems. We run evals across six domains: Data Privacy, Hallucinations, Permission Compliance, Robustness at Scale, Accountability, and Security. Through comprehensive pentests, we identify key vulnerabilities, suggest solutions, and analyze cost vs time efficiency.
Commercial CompanyAgentsSoftware ApplicationsAgent ToolingModel Evaluation
Onshore uses AI to prepare corporate R&D tax credits. With our technology, anyone can prepare an R&D Tax Credit accurately and fast. To provide some background, the R&D Credit is often cited as the most complex and audited tax credit in the United States. With that in mind, we set out to create software to achieve two primary objectives: 1. Ensure that any credit computed with our software is exactly what the IRS is asking for in terms of quality. 2. Democratize the ability to perform high quality R&D Credit studies extremely fast.
Commercial CompanyApplicationsProfessional ServicesSoftware Applications
Ontora is an AI Agent that interviews every employee to map how work actually gets done and identify bottlenecks. Consultants spend months doing this manually; Ontora does it in hours.
Commercial CompanyAgentsSoftware ApplicationsCross IndustryFinancial ServicesEnterprises
Ontra Mobility is founded by two former Googler engineers with PhDs in operations research. Ontra helps cities and other transit agencies increase ridership through data-driven planning and real-time optimization. The founders developed the software that powered MARTA Reach in Atlanta, GA and CAT SMART in Savannah, GA.
Commercial CompanyApplicationsSoftware ApplicationsTransportationGovernment
OpenFoundry is an open source platform that helps engineers build, deploy, and scale their open source AI stack 10x faster. Ship your AI stack with just one line of code. You could think of us as an open source alternative to Hugging Face. Learn more and check out a demo of this in action in our Launch YC post: https://www.ycombinator.com/launches/KhY-openfoundry-developer-infrastructure-for-open-source-ai
Commercial CompanyInferenceSoftware ApplicationsSoftware DevelopmentDevelopers
OpenIntake boosts law firm revenue by converting callers into clients 24/7.
Commercial CompanyProfessional ServicesSoftware ApplicationsSpeechLegal ServicesSmall Businesses
OpenMeter's mission is to standardize metering with the goal of becoming the data source for AI and API monetization. We've built an open-source platform that processes billions of events into our usage lake in a matter of seconds, which acts as the backbone that serves revenue and efficiency teams.
1-50 employees
Commercial CompanySoftware ApplicationsData EngineeringSoftware DevelopmentDevelopersEnterprisesOpen SourceHosted SoftwareOn Premise Software
OpenProse is building open-source infrastructure for long-running AI work: a declarative language plus a reactive harness/runtime for reliable agent workflows.
Commercial CompanyAgentsAgent ToolingSoftware DevelopmentDevelopersEnterprises
OpenRelay provides distributed cloud infrastructure for AI workloads. It offers hosted model inference through OpenAI-compatible APIs and rental of dedicated GPU virtual machines, running on a hardware-agnostic mesh of GPUs. The platform handles failover and load balancing across providers and positions itself as a lower-cost alternative to the major cloud providers.
Seattle, WA, USA1-50 employees
Commercial CompanyNeocloudsInfrastructure OperationCompute HostingInference ServingMarketplace Operation
OpenSpec is an open-source, spec-driven framework. We help developers plan complex features by creating lightweight spec documents that serve as durable context for their coding agents. With 20k+ GitHub stars, we’re one of the leading spec-driven frameworks, used by thousands of developers and teams to plan and ship with the coding agent of their choice. Our philosophy is simple: keep planning lightweight and iterative, and match how software actually gets built, messy, evolving, and real, without dragging teams into rigid, bureaucratic workflows.
Sydney, NSW, AustraliaJobs (yc) ↗
Commercial CompanyAgent ToolingSoftware ApplicationsSoftware Development
OpenTag is an AI coworker in your Slack with full context on your company. It answers questions and takes real work off your plate. It also keeps your wiki up to date automatically, so knowledge never goes stale.
San Francisco, CA, USA1-10 employees
Commercial CompanyApplicationsAgent ToolingSoftware Applications
OpenTools provides a unified API for adding tool use to LLM applications. Developers can access a registry of Model Context Protocol (MCP) tools such as web search, maps, and web scraping through an OpenAI-compatible interface, without managing separate accounts with each tool provider. Billing is consolidated into a single usage-based fee.
1-50 employeesJobs (yc) ↗
Commercial CompanyAgent ToolingInference ServingSoftware DevelopmentDevelopersAPIUsage Based
OpenVector transforms any existing camera into an automated 24/7 workforce without requiring new hardware. Users simply describe a task in plain English, and OpenVector automatically builds a custom AI vision model to monitor the feed. When it detects an important physical event—like a stalled production cycle, a safety violation, or a waiting customer—it operates a computer just like a human to take immediate action. It integrates with legacy systems to make calls, send emails, update a POS/CRM, or trigger webhooks in real time. OpenVector enables any camera to do real work.
Commercial CompanyApplicationsSoftware ApplicationsAgent Tooling
Openroll is the AI-native operating system for compensation. Openroll gives companies a single system where compensation finally happens. Offers are sent instantly, budgets stay aligned automatically, promotions stay consistent, and salary decisions are made with confidence. Instead of fragmented tools, spreadsheets, and manual approvals, compensation runs end-to-end in one intelligent system used across the entire organization. Learn more at https://www.openroll.com
Commercial CompanyApplicationsSoftware ApplicationsCross Industry
Operand builds and deploys AI systems that help companies run their business better—using data, machine learning, and decision systems to drive day-to-day strategy execution. They work with leading retailers, manufacturers, distributors, and capital allocators on guiding everything from pricing, forecasting, allocation, diligence, and more.
Commercial CompanyConsultingSoftware ApplicationsRetailEnterprises
Get opinions from anyone by talking to an AI chatbot trained on their content
London, England, United Kingdom1-50 employees
Commercial CompanySoftware ApplicationsSoftware DevelopmentCross IndustryEnterprisesHosted SoftwareSeed
Opslane is a developer-first Kubernetes delivery platform. Connect your repo and get previews, safe rollouts, and instant rollbacks — no YAML, no ops team required.
Commercial CompanySoftware ApplicationsSoftware DevelopmentDevelopersEnterprisesHosted Software
Optery is automated opt out software, and we serve individuals, families and businesses. With Optery, you can remove yourself from hundreds of data brokers that are posting and selling your home address, phone number, email and other private information on the internet. Optery received the “Editors’ Choice” award by PCMag as the most outstanding product in the personal data removal category in 2022, 2023, 2024, and 2025, the Cybersecurity Excellence Awards for Attack Surface Management, Digital Footprint Management, and Employee Privacy Protection in 2024 and 2025, Cyber Defense Magazine’s Top InfoSec Innovator and Best Attack Surface Management awards in 2024 and 2025, the 2025 Fortress Cybersecurity Award for Privacy Enhancing Technologies, and Fast Company’s Next Big Things in Tech award for security and privacy in 2023. In 2025, Optery was also listed by Business Insider as one of 30 early-stage startups most likely to become a unicorn. Optery prevents phishing and social engineering, identity theft and fraud, online stalking and harassment, ransomware, doxxing, and prevents people's private information from showing up in Google search results. Anyone can create a free account to receive a personalized Exposure Report with live screenshots summarizing where your information is being posted and sold online. Optery then provides free tools for self-service removals, or you can upgrade to a paid plan, and Optery will remove the profiles for you. Optery for Business serves enterprises removing personal information from the internet for their employees and executives, and offers an API enabling application developers to embed data broker scanning and removal technology into their applications.
San Francisco, CA, USA; Remote
Ora is an AI-native education platform that students love. We're starting with medical school, training students from matriculation to MD. Soon, we'll serve every corner of the $830B higher education market.
Commercial CompanyApplicationsSoftware ApplicationsContent ProductionEducationHealthcare
Orca is banking built for Gen Z from the ground up. Send money instantly, split bills with groups, access local discounts and perks, spend and save, and do everything else you could ever ask on Orca — the only financial hub you'll ever need.
Commercial CompanyFinancial ServicesFinancial ServicesConsumersHosted Software
Orca lets you create and edit Minecraft servers, mods, and datapacks directly in your browser using an AI coding assistant, no setup required.
Commercial CompanyApplicationsSoftware ApplicationsGamingSoftware DevelopmentConsumers
At Orca, we are focused on creating the future of spacecraft operations by moving control onto the vehicle. By allowing LLMs to control the satellite using deterministic tooling, we are able to achieve the same holistic, high-quality decisions on "what" to do to carry out a mission while maintaining the safety of systems that decide "how" to execute it.
San Francisco, CA, USA1-10 employees
Commercial CompanyAgentsAgent ToolingSoftware ApplicationsLanguage ModelsSpace
An open-source toolkit to capture traces, evaluate cheaper models against benchmarks, and ship specialist routes you own. Capture traces from LLM production workflows with a single install that deploys within coding agents you already use. Hosted infrastructure is optional. Evaluate the captured traces and set a benchmark for success. Every future model switch meets or exceeds it in A/B testing. Train and fine-tune a new model on prompts and weights you always own. Start locally and scale into cloud-hosted processes as you see success. Deploy a new model only when the held-out eval is beaten. Serve it wherever you want. Production data feeds back into training and compounds performance over time. Test. Learn. Deploy. Repeat.
Commercial CompanyInferenceModel Development
The best way to build any app with AI. If this mission resonates with you, we encourage you to apply for a role at orchids.app/careers.
1-50 employeesJobs (yc) ↗
Commercial CompanySoftware ApplicationsSoftware DevelopmentConsumersDevelopersSmall BusinessesHosted SoftwareSubscription
OrgOrg is a suite of apps that keeps teams productive and healthy regardless of the size of your organization. Founded by the creator of Zenter (YC 07, acquired by Google and became Google Slides), OrgOrg is designed to be a natural extension of Google Workspace Apps to help run organizations collaborate better leading to higher productivity. Today the suite includes apps like: • Go links: Go links allows anyone in the org to easily name any link so team members can jump directly to the information that matters most: go/sales, go/production, go/anything-you-want. • Profiles with Personality: OrgOrg profiles are as insightful as they are delightful. They not only show you the expected org chart data, but also highlight accomplishments, how you like to work, and who you are as a person. • Goal tracking: Track, share, and collaborate on "big rock" goals on the cadence that makes sense for your team from daily to annually. • Branded New Tab: Keep the team focused the next major milestone, broadcast announcements, and keep important links top of mind every time a new browser tab is opened. • All Hands Q&A: Crowdsource questions, anonymously if desired, for large team meetings to make sure everyone's voice is heard, and the most top of mind questions are answered and recorded. • Smart Groups: Create rules based groups of people and use them to make sure the right people are in the right conversations and have the right access. For example, anyone with the title of "Software Engineer" should be in the #eng slack channel and eng@ google group. • On-call: Schedule smart rotations that take into account balancing the load and using signals from calendar schedules to make sure you don't waste time figuring out who can cover what in a fair way. Easily page the on-call from slack, API, or OrgOrg directly. • And more... All the tools you need so you can spend more time focusing on your core business, and less time focusing on the complexity that comes from running an organization.
Los Altos, CA, USA; Remote
We are building a "manipulate anything" model with the robot hardware that embodies it. We designed a hand-based data-collection device and a high DOF, direct drive robotic hand that match each other exactly, enabling us to eliminate embodiment gap and collect real-world data and deploy it directly. We want to scale real world manipulation data by deploying our devices "in the wild" like manufacturing factories, logistic centers to collect Tesla like data, use these data to train our model and then provide automation solutions to these industries.
Millbrae, CA, USA1-50 employees
Commercial CompanyPhysical AIRobotics SystemsHardware ManufacturingRobotics
Origami Therapeutics, Inc. is a biotech company developing novel protein degraders with potential to delay or halt disease progression by eliminating toxic proteins from the body. Our drug discovery platform leverages our proprietary human disease models developed to select the small molecules with the best chance of clinical success. Our first indication is Huntington’s disease, a debilitating, progressive and ultimately fatal disorder caused by a genetic mutation. We have already identified small molecules that reduce the toxic mutated protein, suppress mutant protein-induced toxicities in human disease neurons and get into the brain. We anticipate that this approach will be broadly applicable to traditionally “undruggable” targets in other neurological diseases.
San Diego, CA, USA1-50 employees
Commercial CompanyScientific ResearchBiotechnologyLife Sciences
Ornadyne builds flapping-wing drones for reconnaissance that look, fly, and sound like birds. Today’s drones are easy to detect acoustically, visually, and electronically. As counter-UAS systems improve, traditional quadcopters and fixed-wing UAS systems are becoming increasingly ineffective for close-range surveillance. Flapping-wing aircraft have existed for years, but have lacked the performance, endurance, and control required for real-world deployment. We’re changing that by engineering a high-performance, stealth-optimized system built from first principles for efficiency, autonomy, and reliable field use. The final frontier of surveillance won’t look like machines; it will look like wildlife already in the sky. Maybe birds aren't real?
Los Angeles, CA, USA1-50 employees
Commercial CompanyPhysical AIHardware ManufacturingRobotics Systems
Orvixo uses AI to build reactive end-to-end planning and optimisation models for manufacturers.
Commercial CompanyApplicationsSoftware ApplicationsManufacturingEnterprisesHosted Software
Our agents scan the web to deliver new client & cross-selling opportunities for law firm partners. Every day, our customers log onto our platform to see who to contact, why now, and what to say. Partners are trained to practice law - not to prospect, sell, and manage pipelines. We're here to help them grow while they focus on what they do best.
Commercial CompanyAgentsSoftware ApplicationsData ProvisionLegal Services
Osseus is the intelligent design platform for robotics. Today, it gives robotics teams a collaborative web app for reviewing mechanical and electrical designs against the full context around them. Engineers and suppliers comment on the exact part, net, connector, or dimension, while AI AutoReview compares proposed changes with prior revisions and source evidence. Underneath is a secure research brain that connects physical designs, robot descriptions and models, firmware and robot software, simulation and test results, supplier feedback, decisions, and owners in one permissioned, version-aware record. Because Osseus understands those relationships, it can carry supplier constraints into future reviews, trace a hardware change into the exact configurations, code, and validation work it affects, and turn approved findings into owned work without losing the evidence or rationale. Our long-term goal is for any professional team or hobbyist to import, fork, or create a robot in Osseus. Builders will be able to explore compatible components and supplier intelligence, edit the physical design, and receive proposed updates to the robot description, firmware, control software, simulation, and tests. We ultimately want to develop physical-AI models that reason jointly over the robot's geometry, electronics, kinematics, components, software, and real-world performance so people can optimize and iterate on robots much faster.
1-50 employeesJobs (yc) ↗
Commercial CompanyApplications
We build intelligence for cultural institutions. Our first commercial product is for the literature industry with a focus on school and public libraries. It is a AI-native OS for libraries, that helps librarians save time on tedious tasks and lets them focus on their patrons.
Commercial CompanyApplicationsSoftware ApplicationsEducationGovernmentEnterprises