X-ZELL is a Thailand-based medical technology company (Y Combinator W15) building a multiplex cytopathology product ecosystem that combines cryofixation, imm...
X-energy is an advanced nuclear reactor and fuel company headquartered in Rockville, Maryland, founded in 2009 by Dr. Kam Ghaffarian. The company's flagship ...
X1 was a San Francisco fintech behind the X1 Card, a smart Visa credit card that set limits based on income rather than credit score, backed by Craft Venture...
xAI is an AI research lab founded by Elon Musk. The xAI API exposes Grok foundation models for chat, function calling, vision, voice, image generation, and v...
Xalts (operated by Tokuten Pte Ltd) is an Accel-backed fintech building an AI agent platform for corporate treasury and finance teams — a copilot that automa...
Xamarin was the San Francisco company behind the Mono-based cross-platform mobile development framework, letting developers build native iOS, Android, and Ma...
Xanadu is a Canadian photonic quantum computing company building room-temperature, fault-tolerant, scalable quantum computers based on photonic continuous-va...
Xapo Bank is a members-only private bank and Bitcoin custodian founded in 2013, combining regulated fiat banking with institutional-grade Bitcoin custody in ...
Xata is a serverless Postgres platform designed for modern development and agentic workloads, offering instant database branching with copy-on-write storage ...
XBOW is an autonomous offensive security platform that uses AI to perform penetration testing with real exploit validation — it identifies vulnerabilities, c...
Xceptor is a data automation platform that helps organizations extract, transform, and integrate data from various sources, particularly focused on document ...
Xeneta is an ocean and air freight rate benchmarking and market analytics platform headquartered in Oslo, Norway. It crowdsources contracted freight rates fr...
Xero is a cloud accounting platform for small businesses, accountants, and bookkeepers that provides invoicing, bank reconciliation, payroll, expense managem...
Xerox is a global technology company and document management leader providing printing, digital document management, and business process solutions. Xerox of...
Xfactor.io is an AI-powered revenue operations platform founded by Mike Carpenter and backed by Accel and Lightspeed Venture Partners. Its Growth AI engine, ...
xh is a friendly and fast command-line HTTP client written in Rust, designed as a modern, high-performance alternative to HTTPie. It reimplements HTTPie's re...
Xiaoe (小鹅通), operated by Shenzhen Xiaoe Network Technology Co., Ltd., is a Chinese private-domain (私域) marketing and content-commerce SaaS platform that help...
Xiaoman Technology (小满科技, OKKI) is an AI-powered foreign-trade sales platform under Alibaba International Station, serving Chinese B2B exporters with the OKK...
Xiaomi is a multinational technology company headquartered in Beijing, China, that designs, develops, and sells a wide range of consumer electronics and rela...
Xiaopangxiong (小胖熊, "small fat bear") is a Chinese B2B e-commerce platform for home and office renovation materials, operated by Shanghai Miju Network Techno...
Xiaoyi Technology (小蚁科技), operated by Shanghai Yunyi Zhilian Technology (上海云蚁智联) and best known for its YI-brand cameras, is a Shanghai-based smart-imaging c...
XING Mobility (行競科技) is a Taiwan-based battery technology company building immersion-cooled lithium battery systems under the IMMERSIO brand, including cell-...
xMatters is a service reliability platform that orchestrates intelligent communication, on-call management, and incident response workflows for IT operations...
XML (Extensible Markup Language) is a W3C standard markup language and data format that defines rules for encoding documents in a way that is both human-read...
XMTP (Extensible Message Transport Protocol) is a decentralized, open messaging protocol that enables end-to-end encrypted communication between Ethereum wal...
Xoxoday is an AI-powered enterprise platform for rewards, loyalty, and incentive operations. Its Plum Rewards API enables organizations to programmatically d...
Xpedeon is a construction-specific ERP platform from Algorithms Software Pvt Ltd (30+ years in construction software), serving general contractors, specialis...
Xpertsea is an aquaculture technology company (backed by QED Investors) that has rebranded its product as Kampi (bekampi.com) — an AI-powered shrimp-farming ...
XPO, Inc. (NYSE: XPO) is a Fortune 500 transportation company and one of the largest providers of less-than-truckload (LTL) freight transportation in North A...
XPO Logistics, Inc. is a leading provider of less-than-truckload (LTL) transportation in North America. The company offers freight transportation through a p...
Independent, third-party X (Twitter) data and automation platform offering 40+ tools for search, extraction, write actions, monitoring, webhooks, and trends....
The XRP Ledger (XRPL) is a decentralized, public blockchain with fast settlement and low transaction costs. It provides HTTP/WebSocket JSON-RPC APIs for quer...
XSLT (Extensible Stylesheet Language Transformations) is a W3C standard language for transforming XML documents into other formats such as HTML, plain text, ...
XtalPi is an AI-and-quantum-physics drug discovery and materials research platform company with headquarters in Cambridge, Massachusetts and major operations...
xTool is a Shenzhen-based digital-fabrication brand, spun out of Makeblock and backed by HongShan, making CO2, fiber, and diode laser cutters and engravers, ...
xtype is an automated governance platform for ServiceNow, giving enterprises visibility, control, orchestration, and compliance across every instance in thei...
Xweather, a Vaisala company, provides weather data APIs delivering science-backed, hyper-local weather intelligence for operational applications. The Xweathe...
Xylem is a leading global water technology company committed to developing innovative technology solutions to the world's water challenges across the full wa...