Y Combinator

SigmaOS is an innovative browser platform tailored for founders, researchers, and content creators, aimed at enhancing productivity while working on the web. The browser allows users to organize their tasks and information efficiently within a single window, streamlining the online workflow. By focusing on the specific needs of its target audience, SigmaOS provides a valuable alternative to traditional browsers, facilitating a more effective and faster web experience.

Metaphor is a language-model-based search engine that simplifies how users carry out web searches.

Synth is an app that captures information such as text, audio, and video, and makes it easy to search and retrieve the information.

Zaraz is a software company founded in 2019 and based in San Francisco, California, that specializes in optimizing website performance by enhancing the loading process of third-party tools. By integrating a single line of code, Zaraz can make websites approximately 40% faster, resulting in improved conversion rates and better SEO rankings. Its third-party management system is designed to boost web performance metrics across various industries, including e-commerce, publishing, gaming, and B2B. The company offers a robust web infrastructure that allows businesses to seamlessly incorporate a range of third-party services, such as data and analytics tools, marketing technologies, customer relationship management systems, and advertising technologies, without compromising website speed.

Flowbot is a natural language-driven programming assistant that helps users code faster. PySearch is context-aware by design, meaning it can give you more relevant results than ordinary search. PySearch learns from its interactions with developers around the world, allowing it to continuously improve recommendations it brings directly into the IDE.

Zaraz is a software company founded in 2019 and based in San Francisco, California, that specializes in optimizing website performance by enhancing the loading process of third-party tools. By integrating a single line of code, Zaraz can make websites approximately 40% faster, resulting in improved conversion rates and better SEO rankings. Its third-party management system is designed to boost web performance metrics across various industries, including e-commerce, publishing, gaming, and B2B. The company offers a robust web infrastructure that allows businesses to seamlessly incorporate a range of third-party services, such as data and analytics tools, marketing technologies, customer relationship management systems, and advertising technologies, without compromising website speed.

Lumos is an AI powered search tool for doctors that gives direct answers to clinical questions, using trustworthy sources. It integrates directly into wherever you're already searching, so you get the fastest answers with no extra effort.

RankScience is a continuous-optimization platform that improves website SEO through automatic A/B testing and data science.

A platform for online communities to submit links, create content, and have discussions about whatever topic that interests them

RankScience is a continuous-optimization platform that improves website SEO through automatic A/B testing and data science.

Mentat looks to provide a path to better jobs that's faster, easier and more effective than any other jobsearch tool.

Mindori is the accurate way to search your app by voice for e-commerce companies. Build magical conversational search for your app in minutes, with no learning curve. "What about shirts that I can wear at a wedding?". Search over concepts that you may not have thought to index in your database. "Find a green shirt" - "What about in red?". Make the experience magical for users through context. Was it "Koffee Kult" or "coffee cult"? Customize speech recognition models for your product catalog and customer queries. Get started in minutes. Improving the model requires only minutes per day, not hours. Track user preferences and deliver customized suggestions based on their buying behavior and patterns. Export your generated models to popular assistant or chatbot frameworks automatically.

A platform for online communities to submit links, create content, and have discussions about whatever topic that interests them

SalesSift helps you to find the best companies to sell to.Their platform uses machine learning and harnesses the enormous volume of data available across the web to bring laser focus to your lead generation process. Find similar businesses by entering the web address of an existing customer. Or create your own custom queries to find companies based upon industry, revenue, location, age, or even products they import or export. Alternatively, make use of their accounting search engine to find organisations with certain key terms in their reported accounts.

OwnersCircle provides small business owners with the online tools and financial information that they need in order to navigate the complex world of business financing. The reality is that there is no easy way to search for small business financial products, which creates a headache for already time-strapped business owners. Recent reports show that owners spend an enormous amount of time (25 hrs on average) searching and applying for loan products, with many focusing on lenders that have high rejection rates and long, complex processes.

Kimono is a way to turn websites into structured APIs from your browser in seconds. You don't need to write any code or install any software to extract data with Kimono. The easiest way to use Kimono is to add our bookmarklet to your browser's bookmark bar. Then go to the website you want to get data from and click the bookmarklet. Select the data you want and Kimono does the rest.

Algolia SAS is a Search-as-a-Service company that provides a hosted search API, enabling websites and mobile applications to enhance user engagement and boost conversions. Founded in 2012 and headquartered in Paris, France, with an additional office in San Francisco, Algolia's platform allows developers to create custom search engines that deliver fast and relevant digital experiences. The company's distributed search network synchronizes data globally and efficiently routes user queries to servers, serving clients across various sectors, including e-commerce and media. Algolia's services empower businesses to optimize search and discovery experiences, ultimately driving increased online engagement and revenue. As of May 2020, Algolia operates as a subsidiary of Akio SAS.

Search your intranet from one box" We built a Flickr to Facebook photo migration tool as a overnight hack, and moved half a million photos. We were covered in ZDNet.

Credictive provides attribution metatags for online content.

Ark.com, Inc. is a San Francisco-based company that offers a search engine service focused on helping users find people. Founded in 2010, the platform enables individuals to reconnect with old classmates, establish new business contacts, and locate friends through various search filters, including location, employer, schools, and interests. By streamlining the process of discovering information about emails, contacts, and social networks, Ark provides users with a convenient and efficient way to access a wealth of information about individuals.

Swiftype, Inc. is a San Francisco-based company that specializes in developing an artificial intelligence-powered enterprise search platform and software for websites and applications. Founded in 2011, Swiftype offers a suite of products, including Site Search and Enterprise Search, which enable users to customize their search experiences. The platform allows organizations to index content from various cloud data sources, facilitating efficient data discovery and organization. Swiftype serves a diverse range of clients, including notable brands such as AT&T, Shopify, and Dr. Pepper, and has raised $23 million in funding from investors like NEA and Y Combinator. As of 2017, Swiftype operates as a subsidiary of Elastic B.V.

AdGrok is a provider of advertising solutions focused on simplifying the advertising process for businesses. The company offers a range of services that include digital campaigning, ads management, campaign analysis, consultancy, data integration, and workflow management. By leveraging technology, AdGrok enables business owners to automate the selection and bidding on keywords in Google AdWords, streamlining campaign management and enhancing analysis capabilities. This approach allows businesses to effectively manage their advertising efforts and optimize their campaigns for better performance.

DemandSphere is the result of the evolution and growth of GinzaMetrics, an enterprise search and content marketing platform with clients around the world in a variety of organizations and roles.The changes to the marketing landscape and, by extension, the roles that marketers play, has meant constant updates to data and insight needs by our users. Where SEO, content, email, social, paid, display, offline, and other channels once lived separately there are growing connective ties between online and offline experiences, and onsite and offsite content needs.

NewsLabs offers a platform that looks to help "old school" journalists adapt to the web, by giving them help with advertising, SEO, and other issues they may not have had to deal with before.

The Youlicit web content recommendation engine leverages the wisdom of the crowds to return the most recommended sites related to a website or topic. To use Youlicit, simply install a plug-in with the Youlicit buttons on your Firefox browser. These buttons light up, while you surf, and by clicking on them, you instantly get highly relevant recommendations, without searching. It also allows you to discover the web via personalized recommendations based on your interests and find other users interested in the same topics as you.

TicketStumbler is a secondary ticket market search engine and comparison website. They search through thousands of ticket listings from hundreds of brokers and ticket exchanges across the internet and present the information in an organizable format. TicketStumbler allows simple ticket comparison, enabling you to find the best seats at the best prices.

JustSpotted is a celebrity-tracking tool that aggregates and organizes real-time information about celebrities from various social media platforms, including Twitter, Facebook, and Foursquare. Originally known as Scoopler, the service has evolved to focus specifically on celebrity sightings, providing fans with a way to see what their favorite stars are doing at any given moment. JustSpotted collects data from users who report spontaneous encounters with celebrities, thereby enhancing the platform's offerings with real-life sightings. By mapping these occurrences, JustSpotted enables users to easily access and enjoy a curated collection of celebrity activities, transforming the way fans engage with celebrity culture in the age of social media. The service was launched in October 2010 and was developed by AJ Asver, Dilan Jarawardane, and Benjamin Tauber.

SocialBrowse is a Firefox extension for sharing links. It has been described as "a Twitter for links".

Wundrbar wants to improve upon the search bar experience by providing users with powerful inline commands. The idea is reminiscent of YubNub but Wundrbar strives to appeal to a larger audience and to incorporate functionality that helps people manage their personal online accounts in addition to searching the web.

Bountii (pronounced "bounty") is a new price search engine. Emerging from the [Y Combinator](http://www.crunchbase.com/organization/y-combinator) class of 2007, they focus on the incredibly popular and competitive category of electronics, currently crawling over 30 merchants. Bountii says they differentiate themselves from other price search engines by digging deeper into the prices. Their data includes shipping and handling, and finds especially low prices normally hidden from basic searches, like the ones Costco only shows at check out. The system can add shipping and handling by zip code. There are many players in the crowded field of Product Search. Some competitors include: [Twenga](http://www.crunchbase.com/organization/twenga), [TheFind](http://www.crunchbase.com/organization/thefind.com), [Crowdstorm](http://www.crunchbase.com/organization/crowdstorm), and [Retrevo](http://www.crunchbase.com/organization/retrevo).

A service that enables its users to meet and chat when they visit the same websites.

Better Desktop search solution.

A platform for online communities to submit links, create content, and have discussions about whatever topic that interests them