Fundraising Fox

Developer Tools Startups

4,639 companies tagged Developer Tools, with their investors and founders.

Celestia

Celestia builds dedicated, high-throughput blockchain chains designed from first principles for companies with internet-scale traffic, delivering production-ready infrastructure the customer owns. The company operates as a full-stack partner, with Celestia Foundation supporting network development and governance and Celestia Labs serving as the core engineering team.

22 investors

Oasis Labs

Oasis Labs develops privacy-preserving data analytics and AI tools using differential privacy, homomorphic encryption, and zero-knowledge proofs for organizations that need to analyze sensitive data while protecting individual privacy. The platform serves enterprises, AI teams, and regulated organizations across healthcare, finance, and technology sectors.

22 investors

The Ethereum Foundation

ethereum.org is a public, open-source educational resource and community portal for the Ethereum blockchain network, maintained by a core team and thousands of global contributors. The site serves as an onboarding portal and knowledge hub for developers, users, and those new to Ethereum and cryptocurrency.

22 investors

Hugging Face

Hugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.

21 investors

Starkware

StarkWare develops zero-knowledge proof and validity rollup solutions for blockchain applications, enabling secure, scalable, and trustless transactions. The company serves blockchain platforms and developers building decentralized applications.

21 investors

Andela

Andela connects global technologists with enterprise opportunities and serves as a platform for hiring, building AI systems, and upskilling teams. The company leverages a network of 650+ organizations across AI, cloud, data, and application development, offering talent supply, enterprise-ready AI system deployment, and AI-ready team acceleration programs.

20 investors

ImmutableX

Immutable provides a full-stack product suite for building and scaling games, offering infrastructure and player-engagement tools along with digital ownership features. It serves game developers in the gaming industry.

20 investors

Chronosphere

Chronosphere provides an observability platform for microservices and containers that helps teams detect and fix customer-impacting issues while controlling costs and complexity. The platform includes telemetry data collection and transformation capabilities designed for cloud-native and DevOps environments.

19 investors

Flock

Flock Safety provides a platform that connects neighborhoods, businesses, and law enforcement to share verified incident information and enable coordinated emergency response based on shared evidence.

19 investors

PagerDuty

PagerDuty provides a platform for incident response and operations management that enables teams across technical and business functions to respond to critical events in real time. The platform serves developers, reliability engineers, security teams, and executives managing operational disruptions.

19 investors

Twilio

Twilio provides a cloud-based communications platform that enables businesses to integrate voice, messaging, and video into applications using APIs. The platform combines communication channels, contextual data, and AI orchestration for enterprises and developers building customer experiences.

19 investors

Unity Software

Unity is a cross-platform real-time development engine and creation platform used by content creators and developers to build games and interactive experiences for mobile, PC, console, and extended reality (XR) devices.

19 investors

Cohere

Cohere builds foundational AI models and enterprise solutions that help businesses automate tasks, accelerate workflows, and enhance decision-making. The company serves enterprise teams seeking to scale productivity and innovation through agentic AI capabilities.

18 investors

Docker

Docker provides containerization and application development platform tools including sandboxes, governance, and security solutions for developers.

18 investors

Astronomer

Astronomer provides Astro, a platform for running Apache Airflow, the open-source data orchestration tool used by enterprises to manage AI, ML, and analytics pipelines at scale.

17 investors

Confluent

Confluent provides a cloud-native platform for real-time data streaming and movement, enabling organizations to connect applications and respond to business events as they occur. The platform serves as a central infrastructure layer for handling continuously flowing data across enterprise systems.

17 investors

Deepgram

Deepgram builds foundational voice AI technology that enables speech-to-text, audio intelligence, text-to-speech, and voice agent APIs for businesses to create natural voice interactions. The company serves enterprises and developers across multiple industries seeking to integrate advanced voice capabilities into their applications and customer experiences.

17 investors

fal

Fal provides fast inference for generative AI models, particularly for image and video generation tasks like SDXL and Whisper. The platform serves developers building creative applications and consumer tools at scale.

17 investors

Flashbots MEV R&D

Flashbots is a research and development organization that mitigates negative externalities from Maximal Extractable Value (MEV) on blockchains, primarily Ethereum, through infrastructure and tools for block building, transaction protection, and MEV distribution. The organization focuses on transparency, democratized access, and sustainable MEV distribution via products like MEV-Boost, MEV-Share, and BuilderNet.

17 investors

Amplitude

Amplitude provides an AI analytics platform that helps companies understand customer behavior and make data-driven product decisions. The platform serves product and engineering teams across enterprises looking to optimize user experience and digital innovation.

16 investors

Cognition AI

Cognition develops Devin, an autonomous AI software engineer agent that plans, writes, tests, and deploys production code within existing development environments to augment human engineering teams.

16 investors

Dfinity

DFINITY builds the Internet Computer, a decentralized cloud network that enables applications to run directly on the blockchain with persistent state, native HTTP serving, and built-in security without requiring external databases or a dedicated operations team. The platform is powered by cryptography and distributed systems, and no single entity controls the network.

16 investors

Fiddler AI

Fiddler provides a Control Plane for AI agents, offering explainability, observability, and governance to monitor and control autonomous AI systems. It serves enterprises, including Fortune 500 companies, that need to deploy compliant, secure, and high-performing AI at scale.

16 investors

Postman

Postman is an API platform that helps developers build, test, and manage APIs throughout their lifecycle. It serves organizations across industries, including 98% of the Fortune 500, and provides tooling for API development, quality assurance, and organizational governance.

16 investors

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