Developer Tools Startups
4,617 companies tagged Developer Tools, with their investors and founders.
Forem is open source software for building online communities in any niche, powering DEV, a community where software developers share knowledge and collaborate. DEV has partnered with Major League Hacking (MLH), a developer programs platform.
2 investors
FortyFive builds a cloud-based platform and developer tools for hosting, sharing, and streaming simulated robotics environments, plus a virtual-to-real pipeline that turns symbolic simulations into photorealistic training data. It serves robotics and AI research teams and frontier labs working on simulation-based data engineering and model training.
2 investors
Foundries.io provides FoundriesFactory, a cloud-based DevOps platform and the Linux microPlatform (LmP) operating system for building, securing, and updating embedded and IoT devices. It targets OEMs and product teams that need managed Linux-based tooling, continuous integration, and secure over-the-air updates for their embedded devices and applications.
2 investors
FRAGMENT provides a ledger API that lets engineers model funds flows and turn them into code to track transactions across systems. It is aimed at software teams handling payments, helping keep balances accurate and transactions reconciled.
2 investors
Freestyle provides Linux virtual machines that provision in milliseconds with integrated version control, designed for running distributed agents at scale. The platform offers full KVM support, real root access, and nested virtualization capabilities for agent-based workloads.
2 investors
Friz is a platform that consolidates social media content creation, publication, and advertising management across multiple networks into a single interface.
2 investors
Front (Mesh) provides crypto-native payment infrastructure that lets platforms accept crypto from any source and settle in stable assets, with embedded deposits and funding tools. It serves developers and merchants across use cases such as gaming/player deposits and global luxury purchases, aiming to remove FX costs, payment restrictions, and chargebacks.
2 investors
Frontity is a framework for building headless WordPress sites using React, where WordPress serves as a CMS and content is delivered through the REST API. The framework renders HTML dynamically on a Node.js server or serverless service, combining server-side and client-side rendering for WordPress sites and blogs.
2 investors
Frugal is an AI-native tool that analyzes application code, observability, and billing data to find and fix inefficiencies that drive usage-based cloud costs across AWS, GCP, Azure, and third-party platforms. It gives engineering teams visibility and control over cloud spend by optimizing code and managed-service usage rather than just right-sizing infrastructure.
2 investors
Fuel is a high-throughput execution layer for Ethereum that uses a UTXO-based asset model, native account abstraction, and parallel transaction processing to support 600+ TPS with 1-second block times. It serves blockchain developers building applications such as intent-driven exchanges, real-time prediction markets, capital markets/DEXs, and AMMs.
2 investors
Fullstack Academy provides immersive online bootcamps and short courses in technology skills including full-stack development, data science, cybersecurity, and digital marketing for corporate teams and individual learners. The company serves Fortune 500 companies and professionals seeking to upskill or transition into tech roles.
2 investors
Fume is an AI-powered testing platform that automatically generates and maintains Playwright test suites by analyzing product videos and application usage. The service replaces manual test writing and maintenance for development teams, offering self-healing tests and cloud-based execution integrated into CI/CD pipelines.
2 investors
functionSPACE offers a programmable financial primitive that lets product builders design custom payoff structures and take exposure to numerical events, rather than using preset derivative shapes. It supports building prediction markets, structured derivatives, trading games, and research tools on a single liquid market.
2 investors
Fuse is an EVM-compatible, proof-of-stake blockchain network and developer stack for launching wallets, payment apps, and DeFi products, including onchain payments for AI agents via x402, MPP, and MCP. Its open-source tools serve businesses and developers building financial applications, with users spanning Southeast Asia, Latin America, and Africa.
2 investors
LaunchPoint is a creator marketing platform that connects brands with a network of 50,000+ creators for on-demand content partnerships. The platform automates product seeding, audience targeting, and performance tracking across TikTok, Instagram, and YouTube, with built-in fraud detection and compliance tools.
2 investors
Game Server Services ζ ͺεΌδΌη€Ύ develops GS2 (Game Server Services), a serverless game server backend that lets game developers handle large volumes of traffic without building, operating, or maintaining their own servers. It serves game developers in Japan.
2 investors
GDevelop is a game development engine that lets creators build games without coding (with optional JavaScript) and produce one-click cloud builds for Windows, macOS, Linux, Android, and iOS. It targets game developers who want to publish across platforms and storefronts such as Steam and itch.io.
2 investors
Gecko is a code security platform that uses AI to analyze codebases, infrastructure, and logic to detect exploitable vulnerabilities and provide developer fixes. It targets enterprise and startup development teams seeking to find complex, multi-step attack chains and business logic flaws in their code and microservices.
2 investors
Gembah is a product development and manufacturing platform that guides brands from market research and design through sourcing, validation, and production using a network of designers and vetted factories. It serves product creators, inventors, and consumer brands with services spanning design engineering, marketing validation, and global supply chain management.
2 investors
General Reasoning (GR) is an AI research company that trains models to work, communicate, and coordinate over long time horizons, with a focus on reinforcement learning, multi-agent systems, and environment design. It also publishes open releases such as benchmarks and RL environment tools to support the wider research community.
2 investors
Genie is an open source, full-stack web framework for the Julia programming language, with low-code and no-code tools (including Genie Builder) for turning Julia code and data models into interactive, production-ready web apps, backends, GUIs and APIs. It targets data scientists, R&D engineers and developers working in Julia.
2 investors
Metatate provides MCP-based tools that attach structured, machine-readable context β business logic, data contracts, policies, lineage, and access rules β to data workflows so AI agents can evaluate dynamic rules and enforce governance at runtime. It offers a versioned "decision layer" with Git-style versioning and plan/apply workflows, with native warehouse integrations such as Snowflake and support for MCP-aware agent frameworks.
2 investors
Gigacatalyst is an AI-powered platform that automates the setup of product demos, POCs, and implementation environments by generating real configurations through a company's product APIs based on customer requirements. The tool targets solutions engineering and sales teams at B2B SaaS companies to reduce manual configuration work and accelerate sales cycles.
2 investors
Gitar is an AI code review and CI platform that automatically finds and applies fixes to code, validating them against a team's CI pipeline. It analyzes build, lint, test, and merge failures, reviews pull/merge requests, and lets teams define CI workflows in plain language, serving startups and enterprise engineering teams.
2 investors












