SV Angel

Developer of a database acceleration technology designed to help developers build performant and real-time applications. The company's technology offers latencies of an optimized custom caching system, query throughput of reading replicas and direct development experience using a single relational database, enabling developers to scale out the database by reading horizontally without making code changes or switching databases.

Metronome is a billing infrastructure company that helps software companies launch, iterate, and scale their usage-based business models.

Raydiant, Inc. specializes in creating connected experiences for brick-and-mortar businesses through its cloud-based digital signage technology. Founded in 2017 and based in San Francisco, the company provides a platform that allows users to display digital content on any HDMI-equipped TV, facilitating the presentation of announcements, promotions, and menus. Raydiant’s solutions cater to a variety of industries, including banking, healthcare, retail, and education. The platform enables businesses to enhance customer engagement by transforming standard displays into interactive media, offering features such as videoconferencing, in-store music, and easy content creation through drag-and-drop tools. This technology empowers businesses of all sizes, from local cafes to large enterprises, to create memorable in-store experiences that drive sales and customer interaction.

Clockwise Inc. is a technology company based in San Francisco, California, that specializes in artificial intelligence software for time management. Established in 2016, it offers a smart calendar assistant that connects to users' work calendars at the system level, learning individual preferences such as working hours, time zones, and meeting tolerances. This AI-driven solution intelligently organizes schedules to enhance productivity by automatically scheduling meetings and identifying optimal times for focused work while protecting personal time. Additionally, Clockwise has introduced Clockwise for Teams, a toolkit designed to support remote workers in managing their time effectively.

RemoteHQ is an internet company that offers a collaborative video conferencing platform aimed at enhancing remote interactions. The platform is designed to replicate the experience of being physically present, facilitating activities such as team meetings, sales demonstrations, support calls, and training sessions. Utilizing computer vision and artificial intelligence, RemoteHQ enables features such as whiteboard sharing, annotation, archiving, and transcription. This functionality allows users to engage seamlessly through a web application that is accessible on any browser, eliminating the need for downloads or logins.

RADAR, established in 2017 and located in Fort Collins, Colorado, specializes in developing advanced analysis software and next-generation cryptocurrency exchange technology. The company utilizes blockchain and the 0x protocol to facilitate the trading of Ethereum-based tokens directly from Web3 or hardware wallets. This innovative approach enhances trading efficiency and security for users in the cryptocurrency market.

RADAR, established in 2017 and located in Fort Collins, Colorado, specializes in developing advanced analysis software and next-generation cryptocurrency exchange technology. The company utilizes blockchain and the 0x protocol to facilitate the trading of Ethereum-based tokens directly from Web3 or hardware wallets. This innovative approach enhances trading efficiency and security for users in the cryptocurrency market.

RADAR, established in 2017 and located in Fort Collins, Colorado, specializes in developing advanced analysis software and next-generation cryptocurrency exchange technology. The company utilizes blockchain and the 0x protocol to facilitate the trading of Ethereum-based tokens directly from Web3 or hardware wallets. This innovative approach enhances trading efficiency and security for users in the cryptocurrency market.

Clockwise Inc. is a technology company based in San Francisco, California, that specializes in artificial intelligence software for time management. Established in 2016, it offers a smart calendar assistant that connects to users' work calendars at the system level, learning individual preferences such as working hours, time zones, and meeting tolerances. This AI-driven solution intelligently organizes schedules to enhance productivity by automatically scheduling meetings and identifying optimal times for focused work while protecting personal time. Additionally, Clockwise has introduced Clockwise for Teams, a toolkit designed to support remote workers in managing their time effectively.

Raydiant, Inc. specializes in creating connected experiences for brick-and-mortar businesses through its cloud-based digital signage technology. Founded in 2017 and based in San Francisco, the company provides a platform that allows users to display digital content on any HDMI-equipped TV, facilitating the presentation of announcements, promotions, and menus. Raydiant’s solutions cater to a variety of industries, including banking, healthcare, retail, and education. The platform enables businesses to enhance customer engagement by transforming standard displays into interactive media, offering features such as videoconferencing, in-store music, and easy content creation through drag-and-drop tools. This technology empowers businesses of all sizes, from local cafes to large enterprises, to create memorable in-store experiences that drive sales and customer interaction.

Zeitview, formerly known as DroneBase, Inc., operates an online platform that specializes in aerial data analytics for various industries, including commercial real estate, property management, insurance, and construction. The company provides a comprehensive range of drone services, such as aerial photography, video production, and mapping, which are utilized for property inspections, insurance claims, and construction site monitoring. Zeitview also caters to sectors like renewable energy, telecommunications, and media by offering tailored drone solutions for inspections and lifecycle management. With a vast network of pilots and extensive experience, having completed over 100,000 commercial missions across more than 70 countries, Zeitview has established itself as a leading provider of aerial data services, helping enterprises make informed decisions regarding their critical assets. Based in Los Angeles, the company continues to innovate and expand its offerings to meet the diverse needs of its global clientele.

PipelineDB, Inc. is a developer of a real-time analytics database that specializes in processing streaming data. Incorporated in 2013 and headquartered in San Francisco, California, the company offers an open-source extension to PostgreSQL, allowing users to write continuous SQL queries on time-series data. This innovative platform enables users to pose queries in advance, with results updated incrementally as new data arrives, which is particularly beneficial for real-time reporting applications. By facilitating the deployment of real-time application code directly in front of the database, PipelineDB helps clients eliminate the need for traditional data recording, focusing instead on high-performance aggregation of streaming data. As of May 2019, PipelineDB operates as a subsidiary of Confluent, Inc.

Hangtime, Inc. is a company based in San Francisco, California, that specializes in developing mobile phone applications. Founded in 2011, it offers the Hangtime application, which allows users to view their friends' upcoming social plans, including events such as concerts and poetry readings. This functionality helps eliminate missed opportunities for social interaction by providing a platform where individuals can discover and join activities that interest them. The Hangtime app is accessible on various platforms, including iPhone and Facebook, making it easy for users to stay connected with their friends' future engagements.

RethinkDB is an open-source distributed database management platform tailored for the realtime web. It enables developers to create scalable applications efficiently by allowing the database to continuously push updated query results to applications, eliminating the need for constant polling. RethinkDB supports JSON document storage and features a user-friendly query language that facilitates complex operations such as table joins and grouping. With a highly parallelized architecture, the platform is designed for reliability across various workloads and edge cases, providing users with live statistics and complete visibility into their production clusters. This innovative approach helps developers build realtime applications more quickly and with fewer resources.

Realm ApS is a mobile database company that provides a platform designed to streamline application development by replacing traditional databases like SQLite and Core Data. Founded in 2011 and headquartered in Copenhagen, Denmark, with an additional office in San Francisco, Realm offers a solution that enhances performance and user experience through features such as querying, relationships, graphs, and thread safety. The database is available on Android, iOS, and OSX platforms, allowing for memory-efficient data access via Realm objects. As of May 2019, Realm operates as a subsidiary of MongoDB, Inc. The platform significantly reduces the amount of code developers need to write, enabling them to create applications more quickly and efficiently.

A Bit Lucky, Inc. is a company focused on developing online social games, emphasizing multiplayer real-time experiences. The firm creates games that are accessible across various platforms, including PC, Mac, tablets, and smartphones. A Bit Lucky aims to engage players through innovative gameplay and social interaction, positioning itself as a forward-thinking entity in the gaming industry.

[Leftronic](http://www.leftronic.com) is a [Y Combinator](/organization/ycombinator)-funded company that develops a web-based real-time dashboard application for monitoring a company's most important data. Leftronic business dashboards retrieve a company's metrics from popular services such as Google Analytics, Twitter, Zendesk and others, as well as receive custom metrics through a super-simple API. The dashboards update in real-time and are designed for large screens. This makes it easy for teams to monitor their company's critical metrics.

RethinkDB is an open-source distributed database management platform tailored for the realtime web. It enables developers to create scalable applications efficiently by allowing the database to continuously push updated query results to applications, eliminating the need for constant polling. RethinkDB supports JSON document storage and features a user-friendly query language that facilitates complex operations such as table joins and grouping. With a highly parallelized architecture, the platform is designed for reliability across various workloads and edge cases, providing users with live statistics and complete visibility into their production clusters. This innovative approach helps developers build realtime applications more quickly and with fewer resources.

A Bit Lucky, Inc. is a company focused on developing online social games, emphasizing multiplayer real-time experiences. The firm creates games that are accessible across various platforms, including PC, Mac, tablets, and smartphones. A Bit Lucky aims to engage players through innovative gameplay and social interaction, positioning itself as a forward-thinking entity in the gaming industry.

DailyBooth lets users follow their friends and update them in real-time through the use of pictures and status updates.