Developer Tools Startups

Swiftype provides a search platform that delivers relevant, customizable search results for businesses across their internal systems and public websites. Its product suite covers site search, app search, and enterprise search; the company is part of Elastic.

4 investors

Syllable is a platform for building, running, and optimizing production AI agents, offering a no-code conversational builder for domain experts and declarative configurations and APIs for engineering teams. It runs agents on multi-cloud infrastructure (AWS, GCP, Azure, OCI) with observability, governance, human-in-the-loop controls, and security for use cases such as voice automation, call center QA, internal copilots, and support agents.

4 investors

Symbl.ai offers a developer platform with APIs, SDKs, and a specialized LLM (Nebula) that enterprises use to build real-time AI agents and conversation intelligence from voice, video, and chat. It provides tools for support, sales, and service teams to power voice agents, live agent assist, call scoring, sentiment analysis, and compliance alerts.

4 investors

Symbolica is an AI research lab that combines category theory and type theory to build symbolic reasoning engines. The company has launched Agentica, an agent-builder platform that enables multi-agent systems with code execution capabilities.

4 investors

Synnax provides software tools for engineering teams to build hardware technology. The platform targets hardware developers and engineers working on physical products.

4 investors

AI software-validation platform that indexes full codebases, reviews and security-checks pull requests, learns team standards, and runs changed code in sandboxes through its TREX execution agent.

4 investors

TACEO builds a privacy layer for public blockchains, offering composable primitives for confidential stablecoin payments, private treasury and DeFi operations, identity verification without exposing user data, and confidential transactions for AI agent commerce. The product targets developers building on existing chains, spanning payments, identity/credentialing, and agent-to-agent commerce.

4 investors

Talent Protocol computes a "Builder Score" that turns a person's public GitHub and blockchain activity into a verified onchain reputation score, run in the browser using public APIs with no account required. Scores can be published as an EAS attestation on Base for anyone to verify by recomputing them.

4 investors

Tempo provides work management and visibility software that integrates across existing team tools and platforms to help organizations track project performance and resource capacity.

4 investors

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.

4 investors

Terramate provides a platform for managing Infrastructure as Code that lets platform teams package reusable IaC patterns (Bundles) with built-in governance, compliance, and security, while developers and AI agents self-serve infrastructure across environments. It offers stack-based code management, orchestration, and observability with GitOps workflows for tools like Terraform, OpenTofu, and Terragrunt.

4 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.

4 investors

IFS Loops is an enterprise platform that enables organizations to build, deploy, and orchestrate AI agents for workflow automation using natural language interfaces and integration with business data systems. It provides agentic AI capabilities with enterprise-grade security and compliance for complex operational workflows.

4 investors

Theneo is an all-in-one developer portal platform for creating and managing API documentation, guides, and private customer portals with real-time collaboration features. The platform serves engineers, technical writers, and product managers across startups and enterprises, with built-in AI documentation generation and support for customer-specific branded portals.

4 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.

4 investors

Thunder Compute develops GPU virtualization software that improves utilization of graphics processing units in data centers. The company targets cloud providers and enterprises seeking to increase computational capacity without additional hardware investment.

4 investors

Tigera provides security and networking management for Kubernetes environments and AI agents through the Calico Platform, offering unified control, visibility, and policy enforcement across distributed workloads and infrastructure.

4 investors

Tinfoil develops secure hardware and systems, with expertise in privacy and security protocols.

4 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.

4 investors

Tinybird provides a platform that transforms data stored in cloud data warehouses into real-time REST APIs, enabling software teams to access and build with data at scale without manual gatekeeping. The tool is designed for developers and AI-native teams to quickly integrate data into applications.

4 investors

Qode Interactive is a WordPress-focused content and resources platform offering guides, tutorials, and articles for website builders, developers, and business owners. The site provides educational content covering WordPress development, ecommerce optimization, SEO, and related web technologies.

4 investors

Tower is a fully-managed data flow orchestration platform that lets teams build Pythonic control flows and agentic workflows, with observability, logging, alerting, and metrics. It also provides environment-based management of settings and secrets across development and production.

4 investors

dbt (part of Fivetran) provides a SQL-based data transformation platform that lets data teams build modular, tested, version-controlled data pipelines with interactive lineage, automated refactoring, and orchestration. Powered by its Fusion engine, it targets data teams building analytics and AI products across cloud data platforms.

4 investors

Tricentis provides software testing and quality assurance solutions that help organizations optimize cost, accelerate innovation, and reduce business risk. The company serves enterprise customers across industries.

4 investors