Developer Tools Startups
4,618 companies tagged Developer Tools, with their investors and founders.
Quvy is an AI tool that generates static and video ad creatives from a product description and ranks each variation by predicted performance using synthetic audience simulations, so marketers can test ideas before spending live ad budget. It targets marketers and brands looking to replace agency-made ads and traditional A/B testing.
3 investors
Extend builds infrastructure that processes unstructured data at scale for applications in healthcare, real estate, insurance, and finance. The platform helps companies make messy, inconsistent documents usable and accessible across critical industries.
3 investors
Farclip is an AI-powered editor tool for game developers that analyzes spatial flow, visibility, movement paths, and pacing directly within Unity, Unreal, and Godot scenes during production. It uses trained models to identify layout problems like dead zones, sightline gaps, and navigation issues before playtesting, helping teams catch spatial design flaws early in development.
3 investors
Fauna Robotics designs and assembles robotics products in the United States, providing Sprout, a development platform that enables developers to build and deploy robot applications more efficiently.
3 investors
Feltsense builds a software platform that deploys AI agents to identify market opportunities, validate demand, and build software and physical infrastructure. The company operates agentic founder agents that function as autonomous businesses serving real customers.
3 investors
Fermat provides a suite of AI tools with simple, form-based interfaces aimed at designers and creative teams, letting them generate work and adjust parameters to iterate. It offers organization-wide controls including admin access management, role permissions, model opt-outs, GDPR compliance, and the ability to train AI agents on a company's brand archive.
3 investors
Fern provides documentation, SDK generation, and CLI tools for APIs, built with AI features including integrated chat, MCP server support, and agent-first capabilities. The platform serves developers and AI agents consuming APIs across REST, WebSockets, and GraphQL protocols.
3 investors
Filuta offers an AI-based platform that uses autonomous agents and Composite AI to automate software quality assurance and testing, running continuously with each build to catch bugs early. It targets complex software domains such as automotive (software-defined vehicles), gaming, and compliance testing, providing auditable and repeatable test runs.
3 investors
Firebase is a backend-as-a-service platform that provides managed infrastructure, SDKs, and development tools for building and deploying applications across iOS, Android, web, Flutter, Unity, and C++. It integrates with Google Cloud and AI technologies to help developers accelerate app development, monitor performance, and optimize user experience.
3 investors
FlexAI operates a control plane for AI workloads that unifies inference, fine-tuning, and pre-training across different runtimes, models, and accelerators. It offers an agent SDK and tooling so teams can start on an API key, scale to reserved capacity, and move into their own environment without re-platforming.
3 investors
Flixel creates software tools for visual storytelling, including Cinemagraph Pro (for creating animated still images), Flixel Cloud (for hosting and streaming), and Persecond (a timelapse app). The company serves creators and brands who want to produce and share visual content.
3 investors
Flowstep builds an AI-powered design tool that converts text descriptions into editable UI, using its "Imagination Algorithm." It is aimed at product teams looking to align and ship designs faster.
3 investors
Flox provides reproducible development environments built on Nix, letting developers bundle the tools and frameworks they need across the software lifecycle. It targets professional teams and enterprises adopting Nix at scale.
3 investors
Fluent is a blockchain platform with a mainnet and testnet that supports "blended" app development, enabling developers to build on-chain applications. It also offers Prints, a product creating a social footprint from a user's identity and reputation across the internet.
3 investors
Fluree provides a graph-native data layer that connects to AI agents via MCP clients such as Claude and Cursor, letting agents draw answers from a governed knowledge graph rather than a vector cache. It targets developers building AI agent applications that need trusted, queryable data.
3 investors
TinaCMS is an open-source, Git-based headless content management system that supports multiple frameworks and static site generators, offering basic and visual editing, multi-branch workflows, and a content query API. It is the successor to Forestry.io and is maintained by SSW.
3 investors
Forloop provides a no-code platform for data cleaning, joining, and transformation into model-ready formats, serving data teams and business users who need to work with internal and external data sources. The platform automates data quality tasks and enables faster data pipeline building for analytics, AI, and business intelligence use cases.
3 investors
Formance provides a platform for developers to build and integrate complex financial applications using composable, open-source primitives that can connect to any financial partner. The platform serves enterprise companies globally seeking vendor-agnostic infrastructure for financial workflows.
3 investors
Forum3 partners with organizations to design and deploy AI agents and automation solutions tailored to their business processes. The company provides strategy, implementation, and ongoing management services to help enterprises move from AI pilots to production-grade autonomous systems integrated into their operations.
3 investors
Foxglove builds observability tooling and open-source software for robotics engineers to accelerate development and deployment. The platform serves robotics teams across industries developing autonomous systems and robots.
3 investors
Freckle is an adaptive learning platform offering student-paced and teacher-led practice exercises aligned to ELA and math standards. It provides differentiated math and literacy resources for K-12 students and teachers in the classroom.
3 investors
Friendli provides generative AI model serving infrastructure designed to help organizations deploy and run large language models efficiently and cost-effectively. The company serves enterprises and organizations seeking to reduce complexity and expenses in generative AI operations.
3 investors
Frigade provides an SDK and AI-powered platform for building product onboarding flows including checklists, tours, and announcements that adapt to product changes. The product serves software companies and product teams looking to implement polished onboarding experiences without building them from scratch.
3 investors
Frontegg provides a low-code customer identity and access management (CIAM) platform that secures user login and authentication for SaaS applications. It also offers an agentic layer that lets SaaS products expose their functionality to users through generative AI platforms.
3 investors