Top California App Development Companies (110)

Atlassian creates teamwork solutions for high-performing teams. Our portfolio of collaboration and work management software products includes Jira, Confluence, Trello, Loom and Rovo. More than 300,000 businesses worldwide rely on Atlassian’s technology, including 80 percent of Fortune 500 companies. Our solutions support various business teams and they help organizations plan, track, and deliver their biggest ideas together.

From film, television, news, theme parks, interactive media, and streaming, our people are at the center of it all. ​Here, we solve complex and business-critical problems. That’s why we’re looking for people to help us continue our evolution, imagining and delivering the most innovative and disruptive products and services through the latest tech advancements in the industry. ​ Here you...

Snap Inc. is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

WorkWhile is an AI-powered next generation labor platform that helps businesses in light industrial, hospitality, and events achieve over 90% fill rates and reduce no-shows through AI and predictive machine learning. We ensure seamless shift execution with trained, on-demand workers supported by on-site leads, real-time performance monitoring, and a robust accountability system. Our worker-first model boosts retention through benefits like...

As the trusted choice for digital agencies, SaaS platforms, and web professionals, Duda powers over 1 million websites worldwide. Our platform offers a comprehensive suite of tools that enable users to efficiently create pixel-perfect, feature-rich websites at scale.

We're a global community of bold visionaries and resourceful doers who are shaping the future of Dropbox—and with it the future of work. Our Virtual First model combines the flexibility of a distributed workplace with the power of human connection, making space for both meaningful work and meaningful relationships. With our start-up mindset and enterprise-level opportunities, you can be who...

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one of Fast...

Sortly is the simplest inventory platform for business and teams to stay on top of their stuff. Our visual system enables business to easily track what they have, where it is, and who has it. Anytime, anywhere, on any desktop, tablet or mobile device. Sortly is trusted by tens of 1000’s of small businesses and teams at large enterprises including HP, Honeywell,...

Warp began with the vision of reimagining one of the fundamental dev tools—the terminal—to make it more usable and powerful for all developers. As AI has advanced, Warp has evolved beyond its terminal roots into the platform for Agentic Development: a workbench for dispatching agents to code, deploy, and debug production software. With over half a million active developers and revenue...

FlutterFlow is a leading visual development platform that revolutionizes the way teams create, design, and deploy applications. With over 2M users across 200+ countries, FlutterFlow enables teams to build apps without extensive coding knowledge. With an intuitive visual interface, granular control over app experience and cross-platform deployment capabilities, FlutterFlow is trusted by startups and Fortune 500 companies alike to accelerate...

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide and over 500,000 business users, Replit is democratizing software development by removing traditional barriers to application creation.

At SmartCookie.App, our mission is simple: to keep kids engaged in learning and self-motivated to pursue ongoing education. We accomplish this through an innovative approach to parental controls that uses kids’ desire to access online entertainment to drive their learning.

The AI-native developer intelligence platform that connects the dots between your data and the context you need to drive more impact.

Our live receptionist services have powered thousands of client interactions every day for over a decade, and we’re now expanding our technology portfolio with AI-driven products that combine human empathy with intelligent automation. The AI Receptionist Platform is Abby Connect’s latest innovation — an intelligent voice system that manages scheduling, intake, and communication in natural conversation. It’s a critical part of...

Speridian is an innovative, thought-leading digital modernization company that leverages modern software engineering and proprietary platform solutions to streamline and enhance interactions between clients and constituents within commercial and public sector markets. As a global business and technology solutions provider, Speridian's business and technology experts help clients modernize their businesses through Digital Transformation. Headquartered in Albuquerque, NM, with regional offices...

Blacksmith Agency is a full-service agency, focuses on offering its services within web designing, wireframing and content creation.

LCPtracker, Inc. is the leading solution for certified payroll reporting software, construction site compliance management, and workforce reporting. It all started in 2001, when LCPtracker CEO Mark Douglas envisioned a Software-as-a-Service (SaaS) solution geared towards prevailing wage compliance for K-12 school construction. After two years of development with just a three-person team, LCPtracker Professional was officially launched. By 2006, our...

Trusted by 19 of the top 20 importers, Cargomatic leverages the latest innovations to deliver comprehensive short-haul logistics solutions powered by the industry’s most sophisticated technology platform. The company offers a true one-stop shop—one provider for all U.S. markets managed in one technology platform with a single point of contact for the entire shipment life cycle. Services include LTL, LCL,...

Social Discovery Group (SDG) is one of the world's largest groups of social discovery companies, uniting millions of users on dozens of products. SDG solves the problem of loneliness, isolation, and disconnection - transforming virtual intimacy into the new normal. SDG products redefine the way people interact and connect with each other. Our portfolio includes social entertainment platforms designed to...

Xano is the fastest way to create a scalable backend for any app or agent, from mission-critical software to your latest vibe-coded project. As a unified platform, Xano gives you everything you need to build and deploy production-grade software — visually, with code, or through AI — and launch in minutes. Connect to any frontend, deploy with one click, and...