Developer Tools Startups

FloydHub provides cloud infrastructure for machine learning engineers to train and deploy deep learning models without managing underlying infrastructure.

1 investor

Fluent Labs develops blockchain infrastructure and consumer products, including the Fluent Network with blended execution that allows programs written for different virtual machines to run within the same blockchain state. Its products include Prints, which combine onchain activity, social data, and reputation into a single profile applications can query, and Fluent Connect, a tool for builders to discover and reach users based on reputation.

1 investor

Fluid provides infrastructure automation, dynamic workload management, and integrated networking to simplify cloud-scale deployments, enabling automated provisioning, management, and scaling across distributed data and applications.

1 investor

FluidCloud is a Cloud Cloning platform that discovers a company's live multi-cloud infrastructure via a read-only role, builds a queryable graph of all resources and relationships, and generates Terraform to migrate, clone, recover, optimize, govern, and provision estates across public and private clouds. It targets enterprise platform and DevOps teams running infrastructure across providers such as AWS, Azure, GCP, OCI, Nutanix, VMware, OVH, and Vultr.

1 investor

Flutter is an open-source framework for building mobile, web, desktop, and embedded applications from a single codebase with support for multiple programming languages and compilers. The framework is maintained by Google and a global community of developers.

1 investor

Flutter is a location-based dating app that lets users record short videos to attract nearby potential matches. To confirm compatibility, two users who like each other must be online simultaneously and maintain eye contact via webcam for 15 seconds.

1 investor

FlyMy.AI enables developers to program AI workflows in plain text and deploy versioned, hosted APIs within minutes. The platform supports multiple models, 1000+ connectors, and custom GPU resources, serving teams building AI-powered applications.

1 investor

WP Engine (Flywheel) provides enterprise-grade WordPress hosting infrastructure designed to support high-traffic websites with advanced caching, security, and network optimization. The platform serves digital businesses needing reliable uptime, collaboration tools, and scalable hosting solutions.

1 investor

Fogbender provides a messaging platform designed for B2B vendor and customer teams, with integrations to issue trackers and large language models.

1 investor

Font Awesome provides a library of thousands of icons and social media logos that web developers can integrate into websites through simple code implementation.

1 investor

Forest AI builds infrastructure for validating and benchmarking AI models and agents, offering proprietary evaluation datasets, open-source testing tools, and a benchmark platform (PeerBench). Its products target enterprises deploying AI, with proprietary evaluation data in high-value domains such as insurance and medical.

1 investor

Formal Technology is building a new computing stack aimed at elastic, isolated, and globally available serverless execution, using formal verification and compilers. The company is developing infrastructure for cloud/serverless computing.

1 investor

Formbricks is an open source survey platform focused on privacy that lets teams create surveys to understand their customers. Built with a developer community, it is offered as a self-hostable, privacy-first product.

1 investor

FormCraft is a WordPress form builder plugin that offers features such as auto-saving user input so form data persists across browser sessions. It is aimed at WordPress site owners who need to create and manage forms.

1 investor

Formsort is a no-code form builder that lets designers create and customize forms matching their brand and design system, including custom CSS, themes, grid layouts, and A/B testing. It supports importing Figma designs, live previews, and deploying form changes without engineering involvement.

1 investor

Fractal Cloud provides infrastructure management software that helps teams manage complex cloud environments with security and control. The platform is designed for engineering and operations teams who need to move quickly while maintaining predictability and governance across their infrastructure.

1 investor

Fragment Digital builds custom digital tools for businesses, including internal platforms, mobile dashboards, logistics and ordering systems, VR onboarding simulations, AI-driven workflow optimization, and gamified learning systems. It serves enterprises across departments, handling cloud infrastructure and security for the systems it delivers.

1 investor

Freebuff provides free AI-powered coding tools including a web-based app builder, terminal CLI agent, and cloud workspace that eliminate subscription costs. The platform targets developers seeking free alternatives to paid coding assistants and cloud development environments.

1 investor

Freename is a Web3 domain platform where users can register, tokenize, and manage blockchain-based domains and top-level domains, with tools including Web3 emails, a website builder, DNS, domain resolution, and payment features. It offers APIs for resellers and developers, plus tokenization of traditional Web2 domains.

1 investor

Freename provides infrastructure for digital identity ownership combining ICANN-accredited Web2 domains and blockchain-powered Web3 TLDs alongside an AI toolkit to build and manage online businesses. It serves founders, creators, and organizations seeking to claim, build, and monetize their digital presence across both Web2 and Web3 environments.

1 investor

Flash is a platform that trains custom machine learning models for AI agents using user-provided data. It offers fixed-price training runs with downloadable model weights that can be deployed anywhere, positioned as a cheaper and faster alternative to frontier models for routine inference tasks.

1 investor

A service providing free website templates and design resources for building websites. The platform is currently in beta development.

1 investor

FriskAI provides observability and monitoring tools for autonomous AI agents in production environments. The platform helps enterprises understand agent behavior, detect changes, and investigate issues to safely deploy AI across critical business workflows.

1 investor

Fritz AI is a developer platform that provides machine learning tools and pre-trained models for integrating AI into mobile applications. The company serves app developers of all skill levels with SDKs, APIs, custom model training, and analytics to simplify AI deployment.

1 investor