Index Ventures

Superlinked is a developer of a real-time personalized search and recommendation platform aimed at enhancing information retrieval. The company specializes in transforming complex data into vector embeddings, which facilitates improved search functionalities and recommendations for users. Operating within the emerging vector operations segment of the broader machine learning operations market, Superlinked provides software developers with tools to build and enhance their products through advanced data processing techniques.

Weaviate is a company that offers an open-source AI-native database and hybrid SaaS platform to build search and recommendation systems. Its vector search engine supports semantic search and integrates with applications via plugins and a console that helps understand data. The platform merges vector and keyword search to enable end-to-end AI-native application development, supporting synchronous, asynchronous, and multi-step data interactions.

Vetted is an AI-powered product search engine that helps consumers discover the best products and prices effortlessly. Vetted automates and improves the shopping process. It compares products in a category, checks prices across retailers, and analyzes trustworthy reviews — making it easy for users to find the right product.

Tactic is a data automation platform that streamlines research workflows by automating searches across multiple sources. It uses keywords to replace repetitive searching, reading, and compiling information from the internet, software-as-a-service tools, and internal data, consolidating insights into actionable outputs. By automating manual data and insights work, the platform helps clients access more information and make informed, accurate decisions.

Feathery provides a low‑code platform that enables product teams to create and deploy data intake workflows, forms, and user journeys. It supports automatic deployment, SEO indexing, integration with popular frameworks and search engines, and is used by industries such as insurance, financial services, and healthcare to streamline data collection and improve control and speed.

Vetted is an AI-powered product search engine that helps consumers discover the best products and prices effortlessly. Vetted automates and improves the shopping process. It compares products in a category, checks prices across retailers, and analyzes trustworthy reviews — making it easy for users to find the right product.

Adzuna is an online job search platform that aggregates and semantically analyzes job advertisements from thousands of websites, delivering relevant local search results to users. Launched in the United Kingdom in 2011, it now operates in eleven countries and attracts more than ten million visitors each month. The service offers advanced search options and market data, including tools such as ValueMyCV, to help job seekers make informed career decisions. Adzuna’s data feeds the Number 10 Dashboard, which the Prime Minister and senior officials use to monitor economic growth daily. The company has received recognition as a top‑growing tech firm, winning awards for its crowdfunding round and being named among the government’s Future Fifty and the Sunday Times Tech Track 100. Its mission is to be the premier destination for individuals beginning their job search, leveraging technology to connect people with better, more fulfilling employment opportunities.

Kryptnostic, Inc. is a technology company that specializes in developing encrypted search software. Founded in 2014 and headquartered in Redwood City, California, the company offers a platform that allows users to conduct secure searches on data stored in the cloud without compromising its confidentiality. Kryptnostic's solution enables server-side text searches without exposing the contents of queries or documents, ensuring that sensitive information remains protected during storage and transmission. By utilizing fully homomorphic encryption, the platform allows clients to maintain control over their data while still being able to search within it. This innovative approach addresses the dual challenges of data accessibility and security, catering to organizations that prioritize data privacy.

Elastic is a technology company that develops and distributes the Elastic Stack, an open-source suite of products including Elasticsearch, a distributed search and analytics engine, along with Kibana, Beats, and Logstash. The company also offers X-Pack, a commercial plugin for the Elastic Stack, and Elastic Cloud, a family of SaaS offerings. With over 250 million cumulative downloads, Elastic's products are used by thousands of organizations worldwide for search, logging, metrics, and security use cases. Backed by prominent investors, Elastic has a distributed workforce of over 900 employees across 30 countries.

Outbrain operates a recommendation platform for the open web. It connects online consumers with new content through recommendation feeds on various media platforms and advertisers with their target audiences.

Algolia is a search‑as‑a‑service platform that enables companies to deliver fast, relevant digital experiences across web, mobile, and voice. Its API and tools allow developers and business teams to build and optimize search and discovery experiences that increase engagement, conversion rates, and revenue.

Adzuna is an online job search platform that aggregates and semantically analyzes job advertisements from thousands of websites, delivering relevant local search results to users. Launched in the United Kingdom in 2011, it now operates in eleven countries and attracts more than ten million visitors each month. The service offers advanced search options and market data, including tools such as ValueMyCV, to help job seekers make informed career decisions. Adzuna’s data feeds the Number 10 Dashboard, which the Prime Minister and senior officials use to monitor economic growth daily. The company has received recognition as a top‑growing tech firm, winning awards for its crowdfunding round and being named among the government’s Future Fifty and the Sunday Times Tech Track 100. Its mission is to be the premier destination for individuals beginning their job search, leveraging technology to connect people with better, more fulfilling employment opportunities.

Foodily, Inc. is a social recipe network based in San Francisco, California, and was incorporated in 2009. The platform allows users to discover, collect, and share a vast array of food recipes, catering to diverse culinary preferences. Users can search for recipes from established chefs and emerging food bloggers while filtering results based on various criteria such as cook time, calorie count, and specific ingredients. Foodily's unique features enable users to compare recipes side-by-side and organize their favorites into personalized collections, similar to creating playlists. The platform also facilitates social interaction by allowing users to connect with friends through social media, enabling them to see what recipes their friends enjoy and share. This combination of recipe discovery, personalization, and social sharing makes Foodily a comprehensive tool for food enthusiasts looking to enhance their cooking experience. As of April 2015, Foodily operates as a subsidiary of Sia Ask.fm LLC.

Elastic is a technology company that develops and distributes the Elastic Stack, an open-source suite of products including Elasticsearch, a distributed search and analytics engine, along with Kibana, Beats, and Logstash. The company also offers X-Pack, a commercial plugin for the Elastic Stack, and Elastic Cloud, a family of SaaS offerings. With over 250 million cumulative downloads, Elastic's products are used by thousands of organizations worldwide for search, logging, metrics, and security use cases. Backed by prominent investors, Elastic has a distributed workforce of over 900 employees across 30 countries.

Adzuna is an online job search platform that aggregates and semantically analyzes job advertisements from thousands of websites, delivering relevant local search results to users. Launched in the United Kingdom in 2011, it now operates in eleven countries and attracts more than ten million visitors each month. The service offers advanced search options and market data, including tools such as ValueMyCV, to help job seekers make informed career decisions. Adzuna’s data feeds the Number 10 Dashboard, which the Prime Minister and senior officials use to monitor economic growth daily. The company has received recognition as a top‑growing tech firm, winning awards for its crowdfunding round and being named among the government’s Future Fifty and the Sunday Times Tech Track 100. Its mission is to be the premier destination for individuals beginning their job search, leveraging technology to connect people with better, more fulfilling employment opportunities.

Outbrain operates a recommendation platform for the open web. It connects online consumers with new content through recommendation feeds on various media platforms and advertisers with their target audiences.

FREEjit, Inc., established in 2010 and headquartered in Newport Beach, California, operates a unique online platform designed to leverage autocomplete technology for commercial purposes. The company aims to transform the familiar autocomplete feature found in search engines and browsers into a valuable service that can be marketed to various industries.

Foodily, Inc. is a social recipe network based in San Francisco, California, and was incorporated in 2009. The platform allows users to discover, collect, and share a vast array of food recipes, catering to diverse culinary preferences. Users can search for recipes from established chefs and emerging food bloggers while filtering results based on various criteria such as cook time, calorie count, and specific ingredients. Foodily's unique features enable users to compare recipes side-by-side and organize their favorites into personalized collections, similar to creating playlists. The platform also facilitates social interaction by allowing users to connect with friends through social media, enabling them to see what recipes their friends enjoy and share. This combination of recipe discovery, personalization, and social sharing makes Foodily a comprehensive tool for food enthusiasts looking to enhance their cooking experience. As of April 2015, Foodily operates as a subsidiary of Sia Ask.fm LLC.

Outbrain operates a recommendation platform for the open web. It connects online consumers with new content through recommendation feeds on various media platforms and advertisers with their target audiences.

Mobissimo, Inc. is a travel search engine that facilitates the discovery and booking of travel information. Founded in 2003 and based in San Francisco, California, the company indexes over 180 travel sites, including online travel agencies, traditional airlines, and low-cost carriers. Mobissimo performs real-time queries across multiple websites, allowing users to efficiently compare prices for flights, hotels, and car rentals. While Mobissimo does not sell tickets directly, it earns revenue by receiving a commission on transactions generated from its search results. The platform covers a wide range of destinations, including major cities such as New York, London, Tokyo, and Paris, making it a comprehensive tool for travelers seeking optimal travel deals.