/Companies

Developer Tools Startups

5,800 companies tagged Developer Tools, with their investors and founders.

Fusionauth

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

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

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

G.V()

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

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

Galaxy Semiconductor

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.ai

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

Gamma Technologies

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

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

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

gatherat.ai Gather

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

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

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

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

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

General Datatech

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

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

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

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

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

Geoff Woo

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

Georgerobotics

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

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

GetCheddar

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

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