Developer Tools Startups
5,800 companies tagged Developer Tools, with their investors and founders.
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
ForgeCode is a terminal-based AI coding assistant that plugs into a developer's existing shell setup and uses a context engine to navigate large codebases. It supports mixing different models for planning, coding, and large-file work, and uses specialized sub-agents for research, planning, and execution.
1 investor
Framer is a website builder with an AI design agent that works directly on the canvas to generate, refine, and code changes in place. It includes a CMS with agent-driven content management, analytics, A/B testing, localization, and integrations with external AI tools, aimed at teams and creators building professional websites.
1 investor
Formal builds a stateless proxy binary that enforces least-privilege access control across 15+ wire protocols (Postgres, MySQL, MongoDB, Snowflake, SSH, Kubernetes, HTTP, MCP, and others), handling authentication, policy evaluation, data masking, and query auditing. Deployed inside a customer's VPC, it targets security and infrastructure teams controlling access to data systems, APIs, and AI agents.
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
Forward Email is an open-source email infrastructure platform offering forwarding and aliases, encrypted mailboxes, outbound SMTP and newsletters, calendar/contact sync, and a developer API. It serves domain owners, developers, and organizations with privacy-focused, zero-knowledge email hosting.
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
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
Frontitude is a platform that centralizes collaboration and automates content workflows for design and development teams, enabling them to manage UX content consistency, localization, and code synchronization from a single source of truth.
1 investor
Frontly is a no-code platform that lets users build custom software applications by describing them with AI, without writing code. It targets non-technical builders creating tools such as client portals, event management systems, trackers, and listing websites.
1 investor
Frust is a FinOps service that reduces companies' AWS bills by up to 30% by managing Reserved Instances and Savings Plans on their behalf at the billing layer, using read-only Cost Explorer access without changes to infrastructure. It charges a success-based fee of 20% of the savings generated, billed through the customer's own AWS account, and is available worldwide via the AWS Marketplace.
1 investor
Fuchsia provides hardware compliance automation, mapping applicable standards, drafting lab-ready technical documentation, and connecting manufacturers with qualified testing partners to accelerate certification for electronics, medical devices, aerospace, and automotive products.
1 investor
Fueled is a digital services and strategy firm that builds scalable websites, publishing platforms, product experiences, and AI-powered solutions for ambitious brands and institutions. With a global team of strategists, designers, and engineers, the company focuses on delivering meaningful digital infrastructure and business outcomes.
1 investor
Fullcourt is a customer support platform offering live chat, a self-service knowledge base, and AI-assisted help, with features like triage, automation rules, and real-time sync. It is designed for fast, keyboard-driven use by support agents serving their customers.
1 investor
FullSession provides session replay software that reconstructs visitor journeys through websites and applications, capturing interactions, console errors, and performance data with privacy-first masking at the browser level. The platform integrates with analytics and heatmaps to help product, engineering, marketing, and support teams identify friction points and prioritize fixes by revenue impact.
1 investor
FullStack provides pre-built engineering pods and Forward Deployed Engineers drawn from a network of AI-native specialists to help companies build and deploy production AI systems. It serves enterprise clients across industries such as logistics, regulatory compliance, and benefits platforms.
1 investor
Fundbot delivers custom-built digital solutions for cloud migrations, data governance, and application development, serving SMEs, large corporates, government entities, and financial institutions. The company specializes in scalable infrastructure, DevOps, cybersecurity practices, and low-code orchestration across MENA and European markets.
1 investor









