Developer Tools Startups
5,809 companies tagged Developer Tools, with their investors and founders.
Tuva builds Rao, an AI research collaborator that maintains a living knowledge graph of a scientist's project context and runs agents on top of it for tasks like literature search, data analysis, script generation, math derivations, and writing. It integrates with tools researchers already use (VS Code, command line, Notion, Google Drive) and shares context with agents like Claude, Codex, and Cursor via MCP.
1 investor
Tweeks is an AI-powered browser extension that allows users to modify how websites look and behave through natural language descriptions without requiring code. The tool generates custom modifications that run in a sandbox and can be shared across a community of 4,000+ published tweaks.
1 investor
TwicPics provides image and video optimization and delivery tools for developers and web professionals, handling server-side compression, caching, and responsive media processing. The company, now part of brand management platform Frontify, targets websites needing faster performance and optimized media quality.
1 investor
TxnLab is a three-person studio building applications and tools for the decentralized web, ranging from .algo naming services to private AI. It also provides public infrastructure that other developers can integrate into their own products.
1 investor
Patina Systems builds "spontaneous software" — everyday tools that users can customize and share on demand. The company focuses on self-expression, communication, operating systems, and browsers.
1 investor
TypeDB is a graph database with a strict type system and n-ary relations, using its own declarative query language (TypeQL) to model interconnected data as knowledge graphs. It targets developers building agentic AI systems, cyber threat intelligence, and robotics applications, and offers open-source, cloud, and web studio options.
1 investor
UBIO provides an AI-powered web automation platform that extracts data and performs actions on websites at scale. The platform serves travel brands, job boards, and online retailers seeking to optimize customer journeys and access competitive data.
1 investor
UBiqube builds modular infrastructure orchestration and cloud management software, including an integrated automation platform for onboarding and automating IT infrastructure such as networks, security, cloud, and IoT systems. Its tools target enterprises and carriers managing complex hybrid and multi-cloud environments.
1 investor
Uelz provides an API for subscription management and usage-based billing, letting companies handle plans, discounts, upgrades, and dynamic invoicing while integrating with existing systems and payment gateways. This product is aimed at telecom operators managing large volumes of transactions and subscriptions.
1 investor
Ultralight is a GPU-accelerated HTML rendering toolkit for embedding modern HTML into games and native applications, available for C and C++ across platforms including Windows, macOS, Linux, Xbox, and PlayStation. It is built on a lightweight fork of WebKit and developed in collaboration with game studios.
1 investor
Ultralytics develops YOLO, an open-source real-time object detection and computer vision platform used across industries for visual AI tasks including surveillance, quality control, robotics, and autonomous systems. The platform serves enterprises, researchers, and developers across construction, manufacturing, retail, agriculture, energy, healthcare, and transportation sectors.
1 investor
Umbler is a web hosting provider offering website hosting, professional branded email, and domain registration with usage-based pricing and no fixed plans. It positions itself as a partner for digital agencies, handling web infrastructure, sharing profits, and referring leads.
1 investor
Unabyss builds an AI memory layer that connects to each team member's existing work tools (Gmail, Drive, Slack, Notion, CRM, etc.) and makes that context available to the AI agents they use, while respecting existing access permissions and keeping each person's memory separate and private.
1 investor
Unflow is a content management system that allows product and marketing teams to build and deploy experiences directly within mobile applications without requiring engineering support.
1 investor
Unifii provides custom low-code solutions for digitizing paper and spreadsheet-based business processes, with capabilities for workflow automation, system integration, and mobile-first interfaces designed for operational teams.
1 investor
UNIGINE provides a real-time 3D engine and SDK for development teams building interactive 3D applications, with editions targeting simulation and training, academic R&D, and games/VR development. The company also builds hardware benchmark tools used to test PC component stability under stress conditions.
1 investor
Unimcom is a research and design enterprise focused on self-developed mid-to-small capacity storage chips for applications in consumer electronics, IoT, network communication, intelligent security, industrial control, and automotive electronics. The company builds and delivers integrated solutions across chip design, process optimization, product testing, and market delivery.
1 investor
Uniner offers an agent governance platform that enables enterprises to manage, monitor, and control multiple AI agents, skills, and connectors across their organization. The platform provides visibility, control, and traceability of automated assets for IT and governance teams.
1 investor
Uninstall is an Indian company that builds analytics software for mobile app publishers focused on user churn. Its prediction engine draws on historical and behavioral data to flag which users are likely to remove an app in the coming days, so developers can target those users with retention efforts.
1 investor
Unison Cloud is a platform for deploying HTTP and WebSocket services, microservices, and batch compute jobs written in the Unison language, without managing containers, VMs, or infrastructure YAML. It provides typed transactional storage, immutable content-addressed deployments with programmatic rollbacks, secrets and config management, and a bring-your-own-cloud option for developers.
1 investor
Unison is a programming language designed for distributed computing that simplifies writing code for tasks like map-reduce operations and HTTP requests through built-in ability handlers for managing side effects.
1 investor
Unleash BTS provides operations support, advanced engineering, and research & development services to the U.S. Department of Defense and Intelligence Community, including cyber analysis, counter-unmanned systems, cloud computing, and AI/ML applications for national security missions.
1 investor
Uno Platform provides AI and visual development tools for building cross-platform .NET applications from a single codebase, including a runtime visual designer (Hot Design), Hot Reload, and MCP-based AI agent integrations. It targets .NET developers and enterprise engineering teams working across multiple platforms, with integrations for Visual Studio, VS Code, Claude Code, GitHub Copilot CLI, OpenAI Codex, and Google Antigravity.
1 investor
UNOMi makes a 3D lip sync plugin with built-in markerless motion tracking for use in animation software including Maya, Cinema 4D, Unreal Engine, and Blender. It serves 3D animators and studios in the computer graphics and animation tooling space.
1 investor











