Developer Tools Startups
5,800 companies tagged Developer Tools, with their investors and founders.
FusionAuth provides enterprise-grade authentication and authorization infrastructure that can be self-hosted, cloud-deployed, or managed by the company. Built as an API-first platform for developers, it enables seamless integration of authentication into applications with support for single-tenant architecture and comprehensive customization.
1 investor
Future Collars is an online coding bootcamp and IT training platform offering courses in programming, software testing, data analysis, UX design, and project management. The platform serves career changers and individuals seeking to enter or advance in the technology sector through practical, mentor-led instruction integrated with AI tools and quantum computing preparation.
1 investor
Fyne Labs builds Universal App Studio, a low-code, collaborative app builder (originally Fysion, now rebranded as Apptrix) that lets users create native apps from a single codebase and deploy them across desktop and mobile platforms. Built on Go and Fyne.io, it targets developers of all skill levels, including those with little to no coding experience.
1 investor
gdotv is a graph database IDE designed to help developers and data engineers work with graph technology more effectively. The product serves as a universal, plug-and-play client for graph data professionals.
1 investor
Gait makes a code editor extension that displays the prompts and conversations behind AI-generated code, and provides usage analytics for developers using AI coding tools.
1 investor
Examinator-Pro is Galaxy's software platform for semiconductor engineers that analyzes test data files and generates comprehensive reports for device characterization, test qualification, reliability analysis, and yield diagnostics. The tool supports multiple standard semiconductor data formats and is used by over 8,500 engineers at fabless, IDM, and ATE companies.
1 investor
Galvano is an AI tool that generates electronic circuit schematics from product requirements, selecting in-stock components against real supply-chain data and producing bills of materials and native project files for KiCad, Altium, and EasyEDA. It also performs automated design review of human-made schematics, checking design rules, sourcing risk, and datasheet compliance, aimed at hardware engineering teams.
1 investor
GT develops battery simulation software for analyzing and optimizing energy storage systems across automotive, aerospace, medical, electronics, and grid applications. The company offers tools that combine multi-physics modeling with collaboration features to accelerate battery design, aging prediction, thermal management, and control strategy development.
1 investor
Gardera is an EU-based, AI-native application security (AppSec) platform that autonomously finds, confirms, and fixes software vulnerabilities across code, running applications, and cloud environments. It serves development and security teams, integrating with tools like GitHub, GitLab, CI/CD pipelines, and AI coding assistants.
1 investor
GateSoft is a software development company that builds custom applications using AI agents alongside human engineers, offering full-stack development, system architecture, and AI/LLM integration. It combines experienced leadership handling strategy and client relationships with specialised AI-driven execution across the development workflow.
1 investor
Gather is a telecom carrier built for AI agents, providing each agent a verified identity and a trusted, carrier-grade phone line that avoids the spam flags and signup rejections common to VoIP numbers. It offers programmable phone lines for developers building AI agents.
1 investor
Gatling is a performance engineering and load testing platform that lets teams write, run, and scale tests, integrate them into CI/CD pipelines, and analyze results through dashboards to detect bottlenecks in web apps, APIs, cloud systems, and AI workloads. It serves engineering teams and offers features for standardizing testing, automating performance checks, and optimizing cloud infrastructure costs.
1 investor
Gearset provides integration capabilities that send automated notifications to Microsoft Teams on the status of unit testing, change monitoring, and CI jobs within a development workflow.
1 investor
Geekatoo operates an online marketplace for computer repair services. Customers describe their technical problem through the app and receive bids from technicians working in their area.
1 investor
Gekit provides a memory infrastructure layer for AI agents, organizing fragmented context from internal systems, human inputs, and prior agent outputs into a structured, pre-indexed system agents can access within the agent loop. It targets AI engineering teams building low-latency, production-ready agentic applications.
1 investor
GDT operates with a focus on corporate social responsibility, sustainability, and ethical business practices across environmental, social, and governance dimensions. The company prioritizes employee well-being, community engagement, and sustainable operations while working with partners aligned with responsible practices.
1 investor
General Folders provides a platform for B2B data transfer that enables secure, controlled document exchange between businesses. The platform automatically extracts contract details and suggests compliance tests to streamline data sharing workflows.
1 investor
GenProof develops GenProof-1, a specialized large language model that automatically writes formal-verification proofs for source code, using the Isabelle prover to mathematically guarantee code correctness. It targets software developers seeking to verify code correctness rather than rely on testing.
1 investor
GenRocket provides an integrated platform that combines test data management with synthetic data generation, enabling enterprises to replace production data with secure, privacy-compliant synthetic alternatives for testing and AI/ML training. The platform progresses organizations through masking, subsetting, and design-driven synthetic data generation toward AI-orchestrated automation.
1 investor
Gentoro provides an orchestration, security, and observability layer for MCP-powered AI agents, helping enterprises run agentic workflows reliably across their systems. It targets sectors such as adtech, insurance, and manufacturing where integration complexity and operational risk are high.
1 investor
Geoffrey Woo is a founder and investor focused on human performance, organizational excellence, and software automation. He is co-founder of Ketone-IQ (a nutritional supplement company) and Archive (a software automation platform for social and e-commerce), managing partner of Anti Fund (a venture capital firm), and board director at W and Betr.
1 investor
George Robotics is a developer of embedded software and robotics, and is the creator of MicroPython. The company focuses on embedded software and robotics engineering.
1 investor
Get There develops custom software applications and SaaS platforms for organizations, combining strategy, UX design, and agile development to create scalable digital solutions. The company invests 8% of revenue annually in innovation and offers both off-the-shelf SaaS services and bespoke software tailored to specific organizational needs.
1 investor
Cheddar is a usage-based, decoupled billing platform that tracks customer activity first and applies billing rules second, letting teams change pricing without rewriting billing code. Aimed at SaaS companies from startups to enterprises, it handles activity tracking, subscription management, invoicing, payment processing, and revenue reporting through a few API calls.
1 investor










