AINav Alternatives

MentalClone lets you upload documents, emails, photos, and conversations to create an interactive AI clone of your mind, powered by GPT-5, for assistance, knowledge sharing, and legacy.

SigOpt is the optimization platform that amplifies your research. SigOpt takes any research pipeline and tunes it, right in place. Our cloud-based ensemble of optimization algorithms is proven and seamless to deploy, and is used by globally recognized leaders within the insurance, credit card, algorithmic trading and consumer packaged goods industries.

Yhat (YC W15, pronounced y-hat) was an end-to-end data science platform. Acquired by Alteryx (NYSE:AYX)

At Resolve we’re accelerating construction to build as fast as the future demands. Construction projects are all slowed down by rework that arises after humans spot issues in real life that slipped through all the hours of design reviews and coordination. Resolve enables construction teams to detect these issues in 3D BIM as early as possible so that we can close the gap between design and reality. By combining realtime collaboration in the web, immersive VR reviews, and AI-driven spatial navigation into the most easy to use platform for BIM reviews, Resolve empowers construction teams to identify risks earlier, coordinate faster, and deliver higher-quality assets across mission-critical infrastructure. Resolve has been used to deliver over 6GW of data center capacity and on projects across pharma, water treatment, healthcare, and other critical assets.

SmartSpot is a post Series-A stealth startup backed by Founders Fund and Khosla Ventures that uses computer vision to deliver an unparalleled fitness training experience to your home. Our unique hardware solution gives amazing trainers the ability to see their class participants in real time and deliver detailed advice that was previously only possible in person.

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Smarking

AI Tools

Smarking is a group of hyper-driven MIT PhDs, data scientists, engineers, transportation experts, and battle-tested business professionals working to solve the notorious parking problem via a unique enterprise approach. Smarking aims to enable highly efficient urban mobility by digitizing parking spaces and distributing parking inventory dynamically, in order to get the world ready for the connected, shared, and autonomous future. Backed by top VCs like Y Combinator and Khosla Ventures, Smarking has brought its solution to over 2,500 parking locations across North America. For the first time, cities, parking asset owners, and parking operators can make data-driven decisions easily. Smarking also launched the industry’s first fully automatic dynamic pricing engine, producing 40%-400% revenue uplifts for online sales at at parking locations Chicago, NYC, Boston, and many other cities.

Paperspace is a cloud computing company creating simple and scalable accelerated computing applications. Our goal is to allow individuals and professional teams to seamlessly build and deploy computationally complex products and services. Paperspace is backed by leading investors including Y Combinator and Initialized Capital. Mission: Our mission is to make cloud computing more accessible through radical simplicity, community-driven technical resources, and straightforward pricing. -- To learn more about Paperspace, please visit https://www.paperspace.com/ or follow us on Twitter at: @hellopaperspace.

Pomello maps your organizational culture on a team-by-team basis, and integrates with your existing recruiting process to allow you to find the candidates most likely to thrive within your organization. Founded at Stanford University, Pomello’s technology is based on 30 years of research in Organizational Behavior, which has been validated over time across multiple industries.

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Tule

AI Tools

Tule helps farmers make irrigation decisions. Using UC Davis research-based technology, our hardware sensor provides growers with field-scale crop water use measurements (i.e., actual evapotranspiration), crop water stress measurements, applied irrigation measurements, and irrigation recommendations. Using the latest AI technology and our unprecedented crop water stress dataset, our latest product, Tule Vision, provides growers with the water stress of their plants just by taking a picture with their mobile phone.

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MixerBox

AI Tools

MixerBox is an AI Super-Apps technology company that helps people live easier through its 24/7 daily-essential mobile apps platform. Founded in 2012 by Harvard alumnus John Lai, MixerBox is backed by the Silicon Valley unicorn accelerator Y Combinator. The company’s apps have surpassed 300,000,000 downloads worldwide, and allow MixerBox users to wake up to MixerBox AlarmTunes, read MixerBox NewsDash, browse with MixerBox ChatAI Browser, pay with MixerBox AI Pay, watch MixerBox FreecableTV, and fall asleep with MixerBox Inspire Meditation. App by app, MixerBox strives to become the “Anything, Anytime Super-Apps Platform” to help people live easier.

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Liftigniter

AI Tools

LiftIgniter uses cutting edge data science to help publishers and retailers optimize their websites and mobile apps in real-time. Machine learning personalization puts the perfect piece of "content"​ (video, article, item to buy) in front the user at the exact moment when they are most likely to engage or convert - no tags or manual work required. The machine learns and updates itself so that's it's always perfectly in sync with your users and your "content."​ We average 50% improvements in CTR, engagement and conversation - with only a day's work on your part. Imagine creating a truly dynamic, real-time digital property that enables the perfect experience for that user impression at that moment in time. That is LiftIgniter! Our team of PhDs has direct experience building state-of-the-art personalization systems at the petabyte scale for some of the largest companies on the planet. Unless you plan on hiring your own team with deep experience (not likely since very few people with that experience exist), you should contact us to talk about how we can supercharge your digital experiences.

CareMessage is a social enterprise and the largest patient engagement platform for low-income populations in the United States. We deliver personalized health education and care coordination through text messaging, reaching patients where they already are, in the language they speak, at the moments that matter most. Unlike technology built for large health systems and adapted down, CareMessage is designed from the ground up for organizations serving low-income, historically marginalized communities. Founded in 2012, CareMessage has now engaged more than 22 million people across 45 states, partnering with Federally Qualified Health Centers, Free and Charitable Clinics, and Tribal Health Organizations to produce measurable improvements in health equity, and we publish the evidence to prove it. As a nationally-recognized social enterprise we reinvest revenue into impact. We believe driving profit and purpose are not trade-offs, they are the same strategy. CareMessage has been recognized by TIME 100 Most Influential Company for Impact in Equality, Inc. Best in Business for Social Good, and recognized at the World Economic Forum for Social Entrepreneurship. Learn more about our work at: www.caremessage.org/impact

RADAR is an RF Sensing platform built to automate and augment retail store processes. Our technology offers unprecedented speed and location accuracy, which allows stores to: 1) Manage inventory efficiently, through automated inventory counts, improved in-store replenishment and instantaneous customer stock checks 2) Eliminate checkout lines altogether through our autonomous checkout tool. 3) Measure all customer-product interactions, giving physical stores the same insight into consumer behavior and product performance as online stores. https://goradar.com

Directed Edge delivers Amazon-like "People who bought this also bought..." and "We think you'd also like"-style recommendations to other sites, using existing data being collected such as purchase or click histories. Recommendations are served in real-time via a REST API, with language bindings in several programming languages to make integration easy.

Gemini Nano Banana is a browser-based AI image and video creation platform. Generate images from text, edit uploaded photos, create videos from prompts, and animate still images with multiple AI models in one workspace. It helps creators, designers, and marketing teams explore visual ideas for social content, product imagery, and storytelling. No desktop installation is required. The service offers paid subscriptions and credit packs.

Y Combinator is a SaaS solution for businesses. Founded by Y Combinator alumni, this platform provides innovative tools and services to help companies streamline their operations and achieve their goals. Built with modern technology and user experience in mind, Y Combinator offers scalable solutions for teams of all sizes.

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ChatGPT

AI Tools

ChatGPT represents a revolutionary leap in artificial intelligence, offering conversational AI that understands context, nuance, and intent in ways that previous chatbots could not. Developed by OpenAI, ChatGPT goes beyond simple question-answering to become a versatile assistant capable of writing, coding, analysis, brainstorming, and creative tasks. The platform's strength lies in its ability to maintain context throughout extended conversations, remembering details from earlier in the discussion and building upon previous exchanges. Users across industries leverage ChatGPT for diverse applications: developers use it for code generation and debugging, writers employ it for drafting and editing, researchers utilize it for data analysis and synthesis, and students use it for learning and problem-solving. The platform continues to evolve with enhanced reasoning capabilities and multimodal features that understand both text and images.

Enterprises are paralyzed by the risks of deploying generative AI. Traditional methods like RAG and fine-tuning are brittle, expensive, and fail to prevent costly hallucinations or guarantee compliance in high-stakes environments. This lack of trust stalls innovation and blocks ROI. CTGT ensures strict, auditable adherence to your policies on the fly. We deliver defensible audit trails and remediate noncompliant model behavior, so outputs become more aligned with company policies over time, combating data and model drift. CTGT is backed by Google's AI fund (Gradient), General Catalyst, and luminaries like Paul Graham. We provide the control and confidence necessary to unlock the full potential of enterprise AI.

Zeroframe is a SaaS solution focused on Artificial Intelligence, Machine Learning. Founded by Y Combinator alumni, this platform provides innovative tools and services to help companies streamline their operations and achieve their goals. Built with modern technology and user experience in mind, Zeroframe offers scalable solutions for teams of all sizes.

Pumpkin is a SaaS solution focused on Artificial Intelligence, Automation. Founded by Y Combinator alumni, this platform provides innovative tools and services to help companies streamline their operations and achieve their goals. Built with modern technology and user experience in mind, Pumpkin offers scalable solutions for teams of all sizes.

A personal AI that can act on direct commands and run persistent directives for you, via voice and text.

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Redouble AI

AI Tools

Redouble AI is the solution to scale human-in-the-loop for AI workflows in regulated industries. Instead of having to rely on slow and expensive human reviewers, Redouble’s clients save 80% of staff costs and significantly improve the accuracy and quality of their outputs by integrating our tool into their workflows. Addressing an $11BN market, the company is already generating revenue with its first set of clients. The founders are two serial entrepreneurs (who have built successful companies in AI and health-tech respectively) and a data engineering veteran who has written more than 120 enterprise-grade software applications.

dmodel is a SaaS solution focused on Artificial Intelligence, Generative AI, AI. Founded by Y Combinator alumni, this platform provides innovative tools and services to help companies streamline their operations and achieve their goals. Built with modern technology and user experience in mind, dmodel offers scalable solutions for teams of all sizes.

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Tivara

AI Tools

Tivara is a SaaS solution focused on Artificial Intelligence, SaaS, B2B. Founded by Y Combinator alumni, this platform provides innovative tools and services to help companies streamline their operations and achieve their goals. Built with modern technology and user experience in mind, Tivara offers scalable solutions for teams of all sizes.