Developer Tools Startups
5,179 companies tagged Developer Tools, with their investors and founders.
Widsley is a Japanese technology company that develops and provides cloud applications, conducts research and development in AI for voice and natural language, and offers system development support. It is based in Tokyo, Japan.
1 investor
Acrodea develops MPI (Multi Package Installer for Android), a system for batch managing and distributing applications on Android devices. The solution serves both enterprise clients managing demo devices in retail locations and end-users seeking simplified app installation.
1 investor
A Google Sheets add-on that helps Amazon sellers research products and identify profitable items by automatically pulling pricing, sales velocity, and competitor data from Amazon and integrating with NETSEA, Japan's largest B2B sourcing platform.
1 investor
C&R Group operates three main business pillars: rights management (licensing intellectual property from professionals into media, games, comics, books, and NFTs), production services (developing content, games, websites, and architectural designs for clients), and agency services (staffing and recruitment). The company serves creative professionals, media companies, and enterprises across entertainment, construction, healthcare, agriculture, and other sectors in Japan.
1 investor
Connectill is a Japanese company that provides remote-work employment opportunities—matching skilled but unavailable IT and programming workers with jobs—while also running AI development, data creation, and software product/solution services (including Forguncy implementation and training). It focuses on remote-work staffing, women's workforce participation, and AI support initiatives in Japan.
1 investor
Fixstars provides high-performance computing services, software acceleration, and optimization for technologies such as multicore processors, GPUs, FPGAs, and quantum computing. The company works with enterprises to improve the speed and efficiency of their computing workloads.
1 investor
RealVision Inc. develops specialized graphics solutions for medical monitors, air traffic control systems, and amusement equipment applications. The company serves government agencies, healthcare organizations, and entertainment venues in Japan.
1 investor
Kyoto Text Lab develops sentiment analysis models based on natural language processing and psychology research, delivering them through consumer-facing AI applications intended to support communication and mental well-being. The company builds high-performance, purpose-specific sentiment models packaged into apps.
1 investor
Adronite is a code analysis and generation platform that provides automated documentation, code mapping, and remediation for software systems across any programming language and scale. The platform targets engineering teams seeking to improve code comprehension and system understanding.
0 investors
AI or Not offers an API that detects AI-generated content — including images, text, videos, audio, and deepfakes — with a stated 98.9% accuracy. It identifies output from tools such as Stable Diffusion and Midjourney for users needing to verify content authenticity.
0 investors
All in Bits (AiB) builds open-source secure networks and decentralized applications for web3, focused on community governance and social coordination within the Cosmos blockchain ecosystem. It developed core components of the Cosmos tech stack and incubates blockchain projects and developer tools such as Ignite, Gno Studio, and the AtomOne chain.
0 investors
AlphaBitCore provides a control plane for AI systems in regulated enterprises, enabling centralized governance of models, agents, and tools with runtime policy enforcement and cryptographic proof of execution. The platform unifies AI operations across a firm's infrastructure while maintaining compliance, audit, and risk controls.
0 investors
Atomic Object is a custom software development firm that designs and builds complex software products for clients, with projects typically running 3-18+ months and budgets from $50k to over $1 million.
0 investors
Bauplan is an execution layer that lets AI agents and engineers build, validate, and ship data pipelines on production data using isolated branches, atomic publishes, and rollback. Pipelines are written as versioned Python and SQL code with quality checks, following a branch, run, inspect, and merge workflow.
0 investors
Bespoken, founded in 2017, provides automated quality assurance and testing tools for companies building conversational and voice AI experiences. It works with organizations of varying sizes to help them automate software testing.
0 investors
Bitbison builds a system of record that captures a complete, causal history of activity across systems — from developer workstation through build to production — to enable runtime security detection, policy enforcement and audit. It works at the kernel, networking and storage layer to capture events with low overhead for infrastructure security teams.
0 investors
Bluespec develops tools and IP for hardware and embedded systems developers, with a focus on RISC-V technology for core evaluation, software development, acceleration, and verification. The company also maintains an open source family of RISC-V cores.
0 investors
Rosetic is a development platform that combines LLM agents for interpreting specifications with a proprietary Deterministic Language Model (DLM) to generate production-grade code with unit tests, infrastructure, and documentation. It targets professional software engineers, enterprises, and services firms seeking predictable, compliant, and maintainable software over probabilistic LLM-only code generation.
0 investors
Callback builds a .NET component library providing filesystem virtualization and file manipulation capabilities for developers, supporting local and cloud storage integration.
0 investors
Personal website of Dennison Bertram, a founder and developer evangelist who builds developer-facing products, currently focused on AI projects such as Deep Email (a context layer for email agents) and Agentic.hosting (an AI-first platform-as-a-service). He is the founder and CEO of Tally.xyz, an on-chain governance platform for token-based organizations.
0 investors
DevClarity is a consulting service that helps private-equity-backed engineering teams adopt AI-assisted coding tools through environment setup, hands-on training, and directed project work. It standardizes AI usage across software teams to increase development velocity and report measurable ROI to leadership.
0 investors
Digma is a code analysis and observability tool for developers, now part of the JetBrains AI Platform.
0 investors
Dosu provides knowledge infrastructure that automatically captures and maintains documentation for engineering teams and their AI coding agents. It integrates with GitHub, GitLab, Slack, MS Teams, and coding agents via an MCP server to build a shared knowledge base that keeps docs current and improves agent performance.
0 investors
Eradani builds integration technology that connects the IBM i platform with other languages, applications, and platforms, allowing IBM i systems to be developed, maintained, monitored, and secured using the same tools used for other platforms. It serves companies running legacy applications that want to adopt newer technologies without replacing their existing systems.
0 investors



