Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
Apsalar develops a mobile marketing platform that handles app install attribution and audience segmentation. It collects data on how individual users behave within an app and turns that data into audience segments and reporting that marketing and product teams use to target campaigns and measure results.
3 investors
Architect provides live migration and hibernation technology for stateful Kubernetes pods running on spot instances, enabling cost reduction of up to 90% compared to on-demand pricing without dropping connections or losing data. The platform targets cloud infrastructure teams running Kubernetes on AWS EKS and similar environments.
3 investors
Arcjet provides inline security controls for AI workflows and agents, enforcing action-boundary protections such as blocking unauthorized tool calls, preventing data exfiltration, and capping token usage. It targets developers building AI-powered applications, offering prompt injection detection, data loss prevention, and agent tool scoping enforced in real time.
3 investors
Arduino designs and manufactures open-source electronic devices (boards, sensors) and accompanying software that let people build projects interacting with the physical world. It serves makers, educators and students, and businesses through three lines — Maker, Education, and PRO — covering IoT hardware, cloud, and SaaS platforms.
3 investors
Arengu provides a platform for building signup flows with minimal engineering effort, targeting companies that lack dedicated teams to optimize user registration experiences and typically achieve conversion rate improvements in the 20-30% range.
3 investors
Arnica provides an application security platform that governs AI-generated code by injecting security policies into AI coding assistants like Copilot, Cursor, and Claude Code, and scans every code push with AI SAST, SCA, IaC, and secrets detection. It targets AppSec and development teams, mapping risks to the right code owners and delivering fixes within developer-native workflows such as Slack, Microsoft Teams, and Jira.
3 investors
Artifact is a collaborative ECAD (electrical CAD) design tool for managing complex electrical systems. It enables teams in design, manufacturing, and procurement to collaborate in real-time while automatically generating harness drawings, pin tables, and BOMs, with support for version control, electrical verification, and multi-layered system views.
3 investors
Astral provides an AI workflow engine that enables organizations to implement and deploy AI applications across their teams. The platform offers data sovereignty, integration with existing systems, and evaluation tools for enterprise customers building and scaling AI workflows.
3 investors
Atlas is a governance and context layer for AI-driven creative production, offering a node-based pipeline for game studios and visual effects teams to convert design concepts into production-ready 3D assets while maintaining IP control and stylistic consistency at scale.
3 investors
Atomic is a distributed, agent-native alternative to Git that manages source code at the primitive level, adding semantic call graphs, code search, intents, attestations, and provenance through a single CLI. It records the full causal graph of every AI agent session with cryptographically signed, content-addressed history, targeting developers and teams building software with AI coding agents.
3 investors
Atuin is a developer tool that syncs, searches, and backs up shell history across machines with end-to-end encryption, and includes an integrated AI assistant accessible directly from the terminal prompt.
3 investors
Authsignal provides a multi-factor authentication (MFA) and passkeys-as-a-service platform that enables brands to implement account security and reduce fraud. The platform offers flexible API integrations and pre-built components for deploying risk-based authentication across any identity infrastructure.
3 investors
Seeko is an AI consulting practice that advises leadership teams on implementing artificial intelligence and operates a proficiency model called AI Ready alongside production software called Clutch.
3 investors
Autosana provides automated end-to-end testing for mobile and web applications, generating and executing tests directly from code changes across iOS, Android, and web platforms. The service integrates with development workflows to verify features work correctly before deployment, producing video evidence of test results in pull requests.
3 investors
Avalanche provides a software development kit for building referral programs, aimed at startups. It operates in the marketing technology category.
3 investors
Avenue is an operations monitoring and automation platform that connects to data sources like Google Sheets and databases to alert teams about issues and orchestrate workflows across tools like Slack, Asana, and Zendesk. It serves operations, business operations, and engineering teams across industries.
3 investors
Avesha builds Elastic Grid Service (EGS), a platform that unifies compute, network, and storage to dynamically place and right-size AI workloads across clusters, clouds, and regions based on latency, cost, and availability. Its products—including Smart Scaler autoscaling, KubeSlice multi-cluster networking, and autonomous SRE/AgentOps agents—target enterprise cloud and platform teams running GPU-intensive AI training and inference on Kubernetes.
3 investors
Aviro builds training environments and simulated spaces for long-horizon agents and frontier AI models to learn complex navigation and tool use.
3 investors
Avocode's products were discontinued as of October 1, 2023, and the domain now points visitors to Ceros. Ceros offers tools to design and publish interactive digital experiences and to collect feedback directly on websites, videos, images, and design files.
3 investors
B3 builds an operating system (B3OS) for creating onchain applications, smart contracts, and automations without code, alongside a labs division that incubates revenue-generating products and a holdings arm making strategic investments in complementary businesses. The company serves enterprise, builders, and crypto traders seeking to move operations onchain.
3 investors
Backboard builds a workflow system that connects AI models, planning tools, and project context into a unified platform for software teams to collaborate and ship production-grade code.
3 investors
KERYS Software develops a secure virtualization platform that enables multiple isolated environments on a single physical machine with near bare-metal performance, targeting organizations requiring digital resilience and DORA/NIS2 compliance. The technology consolidates IT hardware needs while maintaining strong security guarantees through a formally proven microkernel design.
3 investors
bananaz provides a shared collaboration environment where engineering, QA, manufacturing, and management teams work around a single source of truth tied to specific designs and revisions. It targets R&D engineers, QA, manufacturing, NPI, and engineering managers who need cross-functional alignment across the product development lifecycle.
3 investors
Band VRF is a verifiable random function that generates provably random, cryptographically verifiable numbers for decentralized applications using threshold signatures and blockchain validation via BandChain. It serves dApp developers building use cases such as decentralized lotteries, NFT minting, gaming mechanics, and random selection in governance or airdrops.
3 investors













