Developer Tools Startups

Asynchronics builds NeXosim, a Rust-based discrete-event simulation engine for creating digital twins and running full systems virtually. It targets engineers validating flight software and system behaviour, supporting both purely virtual simulation and hardware-in-the-loop testing.

3 investors

Atomic builds financial infrastructure and open finance solutions used by financial institutions. Founded in 2019, it works with a majority of the top U.S. financial institutions.

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

Integration testing made easier for developers; acquired by Docker

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

Autify builds no-code, AI-based test automation technology for software development teams. The company operates in the software testing and developer tools space, with offices in San Francisco and Tokyo.

3 investors

Automat is an enterprise automation platform that uses AI techniques to automate business workflows. It targets companies seeking to automate work processes faster and at lower cost than traditional automation software.

3 investors

Ava Protocol builds decentralized, trustless automation for Web3, aiming to integrate automated interactions into everyday users' blockchain activity. The company focuses on private and composable automation tools within the crypto space.

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

Axiom provides a fully managed, petabyte-scale, schema-less event store for observability data, letting engineering teams ingest and retain logs, traces, metrics, and events with high compression and usage-based pricing. It offers query languages (APL and MPL) modeled on the Splunk experience, a native MCP server for AI agents, and tools to migrate from or run alongside Splunk.

3 investors

Berbix provides identity verification and fraud detection technology that online platforms integrate via SDKs to confirm users' identities and prevent fraudulent accounts.

3 investors

Better Stack is an observability and monitoring platform offering log management, metrics, incident alerting, and status pages for engineering teams, positioned as a cheaper alternative to Datadog. It targets software teams ranging from indie hackers to publicly traded companies.

3 investors

Bezi is an AI agent that operates within Unity to assist game developers with code generation, scene building, debugging, and automation tasks. It indexes a developer's full project context—scripts, assets, scenes, and documentation—to provide tailored assistance while maintaining data privacy and security.

3 investors

binPress offers software development and AI integration services to businesses, along with a software license generator tool, and publishes articles on topics like web hosting, AI, and business ideas.

3 investors

Bitnami provides hardened, production-ready container images and deployment packages for open-source software components. The platform offers platform-agnostic containers, Helm charts, and virtual machines for secure deployment across Kubernetes and container runtimes.

3 investors

BMC Software provides automation, operations, and service management solutions for enterprises, serving the majority of Forbes Global 100 companies.

3 investors

Blaxel provides cloud infrastructure for autonomous agents, offering persistent sandboxes that boot in milliseconds and can stay idle indefinitely without cold-start penalties. The platform combines compute, storage, and networking primitives designed for AI agents to run, scale, and operate reliably with stateful execution and multi-agent collaboration.

3 investors

Blind Insight develops a privacy-preserving data platform using searchable encryption and access controls for organizations that require both data security and insights. The platform is designed for use in the AI era.

3 investors

Blink Eye develops AI-powered eye-tracking technology that enables human-computer interaction through eye movement alone. The company builds machine learning systems for integration into consumer devices and applications.

3 investors

Blockscout is an open-source multichain block explorer for EVM-based networks, supporting over 1,000 chains including layer 1s, optimistic rollups, and zk rollups. It lets users and developers search blocks, transactions, accounts, and tokens, verify smart contracts, access APIs and developer tools, and interact with dApps through its DAppscout marketplace.

3 investors

BlockVision provides blockchain data infrastructure for EVM chains and Sui, including block explorer services, RPC nodes, indexing APIs, and validator services. It serves enterprise clients, startups, and retail users with tools such as real-time data access, transaction monitoring, trace analysis, and DeFi portfolio indexing.

3 investors

Bloomfilter provides end-to-end visibility and traceability over work execution by humans and AI agents, unifying data across development tools and platforms into a shared intelligence layer.

3 investors

Bond offers an embedded finance platform with modern APIs and program management support that lets companies build, launch, and operate their own financial products for their customers. It serves businesses looking to add branded fintech offerings.

3 investors

BoostSecurity offers an Application Security Posture Management (ASPM) platform that consolidates SAST, SCA, secrets, and IaC scanning into one engine, connecting at the source-code-management level (GitHub/GitLab) rather than the CI/CD pipeline. It uses AI-driven reachability analysis to prioritize vulnerabilities and automatically generates fixes pushed to pull requests, targeting enterprise security teams governing AI-assisted software development.

3 investors