Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
Authologic provides digital identity verification and KYC/AML compliance solutions for regulated businesses globally. The company offers identity verification services across multiple continents through a network of providers and resellers.
10 investors
Balena provides a platform and tools for developing, deploying, and managing fleets of IoT devices at scale, including cloud infrastructure, an open-source OS, and container engines for embedded systems. The company serves organizations across industrial IoT, energy, and robotics sectors.
10 investors
Better Auth is an open-source authentication framework for TypeScript applications that provides composable, plugin-based authentication with support for multiple methods including credential auth, social sign-on, passkeys, and enterprise features. It serves developers building consumer and enterprise applications across various frameworks including Next.js, Nuxt, and SvelteKit.
10 investors
BigPanda delivers agentic AI and automation for IT operations, helping enterprise IT teams detect, triage, and respond to incidents in complex hybrid cloud and modern software environments. The platform transforms manual ITOps and ITSM processes into intelligent autonomous systems.
10 investors
Bird is an omnichannel communications CRM platform that connects businesses with their customers across channels including SMS, voice, WhatsApp, WeChat, Messenger, and email. Founded in 2011, it serves nearly 20,000 business customers worldwide.
10 investors
Bluesky is a social media platform built as a Public Benefit Corporation. The page does not provide sufficient detail about the company's specific operations, customer base, or business model to construct a more detailed description.
10 investors
Bria provides visual generative AI infrastructure for tech companies, offering APIs and SDKs for image generation, editing, and optimization built on foundation models trained exclusively on licensed, attributed data. Its offering targets platforms such as marketplaces, design and creative tools, e-commerce and marketing platforms, and DAM/workflow tools that need commercially safe, compliance-ready visual AI features.
10 investors
Builder.io provides visual development tools that enable teams to collaborate on software development through a plug-and-play approach. The platform allows developers and non-technical team members to participate in the building process.
10 investors
Cast AI provides an Application Performance Automation (APA) platform that autonomously optimizes Kubernetes and cloud applications in real time, handling workload rightsizing, scaling, and cost reduction. It targets companies running cloud and containerized workloads that want to cut cloud spend and improve application performance automatically.
10 investors
Ceramic provides a decentralized protocol for event streaming and data management that enables interoperable apps and services to share verifiable data at scale. The platform combines blockchain-anchored verification with distributed P2P networking to serve developers building decentralized applications across social, reputation, collaboration, and identity use cases.
10 investors
Closedloop.ai is a team-based platform for agentic software development that enables teams to define requirements, create implementation plans, and ship code collaboratively with AI agents, with full visibility and review gates before execution.
10 investors
Connext provides xCall, a developer tool that enables applications to interact with users, tokens, and other applications across multiple blockchains. It serves developers building on multiple chains through a simple, code-first interface.
10 investors
Contextual AI builds a platform for enterprises to develop AI agents and applications that operate securely on proprietary data. The platform provides a modular, scalable development environment designed for mission-critical and knowledge-intensive enterprise use cases.
10 investors
CopilotKit provides an open-source framework and protocol (AG-UI) for developers to build and embed AI agents with rich, interactive user interfaces directly into applications, including web, Slack, and Teams. The platform enables seamless integration of generative UI and agentic functionality for enterprise and consumer applications.
10 investors
Cortex provides a platform for SRE teams to enforce production readiness standards, prevent incidents through automated monitoring and ownership tracking, and resolve issues faster during outages. The platform helps engineering teams shift from reactive firefighting to proactive reliability work at scale.
10 investors
Daily provides real-time voice, video, and AI infrastructure for developers, offering cross-platform SDKs and global low-latency infrastructure for building voice and video AI agents. Its platform also supports traditional voice and video call integration alongside AI agent experiences.
10 investors
Datafold builds AI-powered agents and tools that automate complex data engineering tasks including migrations, optimization, CI/CD, and data quality validation. The platform serves data and analytics engineers by integrating data diffing and column-level lineage capabilities directly into existing workflows.
10 investors
Distyl is an applied technology company that deploys AI solutions to help enterprises re-architect critical workflows and systems. The company focuses on ownership of outcomes through forward-deployed engineers working directly with clients to deliver measurable business impact.
10 investors
Featherless.ai provides a single API for accessing over 40,000 open-source AI models, including DeepSeek, Kimi, and GLM, without requiring setup or self-hosting. It offers flat-rate pricing with unlimited tokens, low latency, and configurable context windows and concurrent connections for production AI workloads.
10 investors
FlutterFlow is a visual app development platform that enables designers, developers, and entrepreneurs to build mobile applications using a drag-and-drop interface. The platform generates functional apps rapidly and exports to Flutter code, serving development teams and product managers.
10 investors
Freshpaint provides data infrastructure that makes healthcare websites and marketing stacks HIPAA compliant by moving customer data and controlling the flow of HIPAA-regulated data to third-party marketing tools. It serves healthcare marketing teams that need to protect patient privacy while using modern analytics and marketing software.
10 investors
Gelato provides smart wallet and rollup infrastructure, enabling developers to launch gasless onboarding, smart wallets, and custom rollups through a single SDK. The platform serves blockchain developers and projects building decentralized applications.
10 investors
Gigs provides a platform (Gigs OS) that enables tech brands and other companies to launch and operate their own mobile services without managing telecom infrastructure directly. The platform handles connectivity, compliance, billing, and customer support automation, allowing non-telecom brands like Revolut, Cash App, and Klarna to offer phone plans to their users.
10 investors
HoloTab is a browser extension that uses AI agents to automate repetitive tasks for individuals and enterprises, allowing users to create routines that automate manual work.
10 investors


















