Developer Tools Startups

Tapestry is a developer tool that provides unified APIs to multiple blockchain social networks including Solana, Farcaster, Lens, and Bluesky, enabling developers to build social features into applications quickly. The platform is designed for both emerging and established apps seeking to integrate social functionality and leverage onchain data.

1 investor

Tapglue provides a social layer and news feed solution that developers can integrate into mobile and web applications to enable user profiles, friend connections, and community engagement features.

1 investor

TapReady provides an SDK and modular NFC reader that lets businesses accept and make contactless in-person payments across EMV cards and local payment instruments, supporting card-to-phone, phone-to-phone, and terminal-based scenarios. Its Duplex product turns any NFC-enabled device into a payment terminal, with support for offline transactions and multiple global and domestic card schemes, targeting emerging markets.

1 investor

Taubyte is a fullstack development platform that lets developers and coding agents build, test, and deploy software locally and run it on self-controlled infrastructure, including on-prem, private, hybrid, provider, and edge environments. It uses Git as the control plane and handles routing, scaling, deployment, and recovery automatically for platform teams.

1 investor

Tavant develops AI-powered solutions for the financial services and real estate industries, specializing in mortgage and lending automation. The company serves financial institutions and mortgage lenders with technology products focused on AI and automation capabilities.

1 investor

Tavily provides a web access API for AI agents, offering search, extraction, research, crawling, and mapping through a single interface. It is aimed at developers building production AI applications that need real-time web data.

1 investor

TC2 is an AWS consulting partner that builds and migrates cloud systems for enterprise clients in Hungary and the Central European region. The company provides cloud architecture design, implementation, and managed services.

1 investor

tday automatically records product demos and generates launch content including videos and graphics when software releases ship, capturing the live product in action and re-recording on every update. The platform serves software development teams who need polished demo videos and launch materials without manual video production.

1 investor

Tecala provides a suite of AI agents designed to automate employee-facing HR and workplace tasks such as knowledge management, mentoring, scheduling, recruitment screening, research, timesheet generation, meeting summarization, expense reporting, and leave management.

1 investor

Tech Soft 3D provides graphics visualization technology and software development tools to support engineering and design teams; founded in 1996, the company has evolved from its HOOPS Visualize graphics engine to serve software development professionals globally.

1 investor

Techila Technologies provides a distributed computing engine that allows users to scale computing workloads from laptops to cloud infrastructure, serving investment banks, manufacturers, research institutions, and enterprises seeking to overcome traditional computing limitations.

1 investor

Tekton is an open-source framework for building CI/CD systems that run natively on Kubernetes, letting developers build, test, and deploy across cloud providers and on-premise environments. It works with tools such as Jenkins, Jenkins X, Skaffold, and Knative, and is targeted at developers and platform teams.

1 investor

Telepath is a software company building interfaces for the next generation of personal computers, with a focus on generative UIs for personal AI agents. Its first product is a generative user interface for personal agents.

1 investor

Telerik provides UI component libraries, reporting, testing, debugging, and productivity tools for software developers building web, desktop, and mobile applications in .NET and JavaScript frameworks. Its offerings cover development across Blazor, Angular, React, Vue, jQuery, WinForms, WPF, and related technologies.

1 investor

Tello is a US developer of web and mobile software for collecting customer feedback. The service aggregates business ratings from across the internet and lets consumers leave comments describing their experiences at a given business.

1 investor

Tendrl provides a browser-based tool for flashing and programming microcontrollers such as the ESP32, installing MicroPython and an SDK, writing Wi-Fi and API credentials, and offering a live terminal and file editor over WebSerial. It targets embedded and IoT developers who want to provision and work with devices without installing local toolchains.

1 investor

TensorOpera builds a platform for developing, deploying, and scaling AI models and agents, offering multi-agent collaboration, intelligent model routing, serverless GPU compute, and tools for training and fine-tuning. It also provides a ChatGPT-like mobile app and a Mobile AI SDK for edge-cloud model optimization and federated learning, serving developers and enterprises.

1 investor

Tensorplex Labs builds applications, infrastructure, and tools for AI development using decentralized technologies. The company develops large language models and AI-related tools for developers and AI practitioners.

1 investor

Tentris develops an RDF graph database that stores knowledge graphs in a single compressed Hypertrie index and uses worst-case optimal multi-way joins to run complex SPARQL queries with lower memory use and faster execution. It targets developers, researchers, and enterprises building a knowledge layer for AI agents and applications that need large-scale graph querying and reasoning.

1 investor

Terminal Use is an applied research lab building agentic systems to operate enterprises.

1 investor

TerminusDB is an open-source knowledge graph database with git-like version control for graphs and vectors, letting developers branch, merge, diff, and run hybrid search across commits. It runs in a single Docker container under the Apache 2.0 license and is maintained by Gettier.

1 investor

Tern is a developer tool that analyzes AI coding-agent sessions, tying each code change to the prompt that requested it and flagging decisions the agent made on its own before a pull request is opened. It produces a reviewable artifact mapping developer intent to the resulting code for code reviewers and security teams.

1 investor

Terracotta AI provides automated review of Infrastructure as Code pull requests using AI to analyze Terraform, OpenTofu, and CDK-TF code, identifying potential risks and issues before deployment.

1 investor

Terrastruct builds D2 Studio, a diagramming tool for software developers that combines drag-and-drop editing with text-to-diagram generation via its open-source D2 language and a custom layout engine for software architecture diagrams. The product targets engineers and technical documentation teams, letting diagrams be version-controlled and maintained as code.

1 investor