Developer tools startup funding 2026: 15 rounds
Coding agents, IDEs, testing, CI, observability and the rest of the software toolchain.
- Raindrop raises a Series A round, . Developer tools. Led by CRV. Monitoring and simulation tools that detect failures in production AI agents.
- Temporal raises $550M Series E, . Developer tools. Led by Lightspeed Venture Partners, Wellington Management. Open-source durable execution platform for reliable long-running workflows and AI agents.
- DataAgent raises $10M Pre-seed, . Developer tools. Led by MizMaa Ventures, Alicorn Venture Partners. AI system that diagnoses and repairs production faults inside Kubernetes clusters.
- Embedd raises $2.7M Pre-seed, . Developer tools. Led by Seedcamp. Generates embedded driver code for chip-to-chip communication in hardware devices.
- Hypercubic raises $5.3M Seed, . Developer tools. Led by CIV. AI agents that map legacy COBOL codebases and rewrite them in modern languages.
- CodeRabbit raises $143M Series C, . Developer tools. Led by Atomico, Smash Capital. AI code review and change-governance platform for pull requests.
- Blacksmith raises $45M Series B, . Developer tools. Led by Peak XV Partners. Code build and testing platform with an AI agent that fixes failed CI checks.
- RWX raises $12M Series A, . Developer tools. Led by Hyde Park Venture Partners. Cloud platform for building, testing and validating code, aimed at engineers and AI coding agents.
- Groundcover raises $100M Series C, . Developer tools. Led by One Peak. eBPF-based cloud observability platform for infrastructure, applications and AI workloads.
- Weave raises $14M Series A, . Developer tools. Led by Standard Capital. Engineering-intelligence platform that measures human and AI code output and the ROI of AI tooling.
- Fly.io raises $25M Series D, . Developer tools. Led by Dell Technologies Capital, Intel Capital. Developer cloud that runs applications and AI agents on lightweight VMs close to users.
- Meticulous raises $15M Series A, . Developer tools. Led by Chemistry. Automated software testing that simulates user flows to catch regressions, including in AI-written code.
- Ollama raises $65M Series B, . Developer tools. Led by Theory Ventures. Open-source tool for running open-weight AI models locally, plus a paid cloud service.
- Baz raises $9M Seed, . Developer tools. Led by Battery Ventures, Boldstart Ventures. AI code review platform that catches vulnerabilities during planning and review, before code reaches production.
- Sazabi raises $8M Seed, . Developer tools. Led by J2 Ventures, Village Global, Y Combinator. AI-native observability platform that uses agents and logs to detect and resolve production issues.