Developer Tools Startups
4,617 companies tagged Developer Tools, with their investors and founders.
Terminal provides telematics data infrastructure that connects commercial fleet products to 316 telematics providers, eliminating the need for individual integrations. The platform serves fleet management, insurance, fuel cards, and transportation management companies that need reliable vehicle data at scale.
3 investors
Testbirds provides crowdtesting and QA/UX testing services, leveraging a global community of real testers to validate digital products across devices and use cases. The company also offers CATIA, an AI-powered tool for running qualitative research interviews automatically.
3 investors
testRigor provides AI-driven functional test automation for software development teams. The platform enables companies to achieve high test automation coverage with minimal maintenance effort, targeting fast-moving startups and development teams.
3 investors
TestSprite automates software testing for back-end and front-end systems using AI, allowing individual developers and DevOps teams to validate code with minimal manual input. The platform reduces the need for manual test plan creation and catches corner cases, compliance issues, and security problems.
3 investors
Tether develops software that leverages the battery capacity of electric vehicles to provide grid-connected energy storage, enabling higher renewable energy adoption and reducing fossil fuel dependence.
3 investors
Theodo is a technology consultancy that designs, builds, and operates digital products and systems for organizations, using its Lean Tech methodology to deliver software quickly and at scale. Its work includes building mobile platforms, streaming services, and financial platforms for clients such as Compagnie des Alpes, TF1, and Bpifrance.
3 investors
Theta builds simulation environments and training infrastructure for AI agents specialized to perform enterprise workplace tasks. The company partners with enterprises and research labs to create custom agents that master domain-specific workflows, tools, and decision-making across domains like finance, back office operations, and software development.
3 investors
ThingLink is an AI-powered platform for creating interactive immersive learning experiences that annotate physical and digital environments with rich media. The platform serves educators, trainers, and organizations seeking to modernize learning content for schools and enterprises.
3 investors
Tigris provides a global, multi-cloud storage platform built on proprietary hardware for developers. The company was founded by former Uber storage engineers to deliver scalable, reliable storage infrastructure outside the enterprise.
3 investors
TinyFish provides a single API for web-interacting AI agents, combining web search, page fetching, a real browser-rendering engine, and autonomous agents that can navigate pages, fill forms, and authenticate into sites to return structured JSON. It is aimed at developers and teams building production agent workflows that depend on dynamic pages, authenticated flows, and reliable structured outputs.
3 investors
Traceable offers a context-aware application and API security platform that automatically discovers and inventories internal, public, shadow, and third-party APIs across on-prem and cloud environments. It provides security posture management, threat detection and blocking, and API security testing for SOC teams, incident responders, and security teams across the software development lifecycle.
3 investors
Traceloop provides debugging and monitoring tools for developers building machine learning systems and large language model applications. The platform helps teams observe and troubleshoot production systems, including real-time inference and model behavior.
3 investors
TraceRoot.AI provides an open-source observability and automatic remediation platform for AI agents, enabling developers to capture execution traces and diagnose issues with AI-assisted debugging that incorporates source code and version control context.
3 investors
Trackingplan provides data quality monitoring and analytics validation software that automatically detects tracking failures and data issues in real time for analytics teams and practitioners.
3 investors
TrainLoop is a post-training research lab that trains specialized AI models for enterprise customers in pharma, biotech, logistics, and banking. The company develops custom foundation models and agents optimized for long-horizon tasks and mission-critical workflows in high-risk industries.
3 investors
Traversal builds an agentic AI system that uses machine learning to autonomously analyze telemetry data and troubleshoot production incidents for enterprise software teams. The platform leverages causal machine learning and reinforcement learning to enable self-healing software and improve site reliability.
3 investors
Traverse automates tedious engineering tasks and processes for civil, mechanical, and electrical engineers through software, artificial intelligence, and user interface design, enabling expert engineers to work significantly faster. The company serves engineering firms and professionals in the renewable energy and power generation sectors.
3 investors
Trigger.dev is an open source platform for building and running AI agents and workflows using TypeScript, with built-in support for long-running tasks, automatic retries, job queues, monitoring, and auto-scaling infrastructure.
3 investors
TurboML is an AI platform for building continual, adaptive, and personalized machine learning models, covering data ingestion through post-deployment management with real-time data and continuous model updates. It works with existing stacks via open protocols, offers a Python and Jupyter interface, and supports private VPC, on-prem, or hybrid deployment.
3 investors
Unblocked builds developer productivity software designed to improve workflow by reducing meetings, interruptions, and documentation friction during software development.
3 investors
FireHydrant provides an incident management and reliability platform for enterprises to manage software incidents through collaboration, automation, and transparency.
3 investors
Uniblock provides a unified Web3 API layer that connects developers to 300+ blockchains and 55+ RPC providers (such as Alchemy, Infura, QuickNode, and Ankr) through a single interface, with real-time routing, failover, and unified billing. It also offers dedicated nodes, an MCP server, webhooks, and websockets for multi-chain application builders.
3 investors
Unikraft provides a compute platform that transforms Dockerfiles into minimal Linux-based microVM images offering VM-grade isolation, sub-10ms cold starts, and high instance density per server. It targets developers and infrastructure teams running sandboxes, AI agents, and serverless workloads, and can be deployed on-prem, via BYOC, on dedicated hosts, or as a node in existing Kubernetes clusters.
3 investors
Union.ai provides an AI orchestration platform for building and running machine learning workflows, offering dynamic workflows authored in Python, real-time inference, and an agent runtime. It runs securely inside customers' own cloud environments with a zero-trust architecture, automatic failure recovery, caching, and versioning.
3 investors



















