Results for “design systems”

25 tools in this category · Updated 2 Nov 2026

“design systems”CodingBacked by Y CombinatorShowing 25 tools

21st Design Bug Botby 21stYC W26Review pull requests for UI design issues and suggested fixesPaid
Flowerby FlowerYC W23Build federated AI systems across distributed datasetsFreemium
21st AIby 21stYC W26Generate and compare several UI component designs from a promptPaid
Openlayerby OpenlayerYC S21AI governance platform to test, monitor, and control AI systemsFreemium
Tempoby TempoYC S23An IDE for designers, PMs, and engineers that works on your real codebase.Freemium
Onlookby OnlookYC W25Design real application code with a visual canvas and AI agentsFreemium
Blinkby BlinkYC W22Describe a business app and Blink builds it with database, sign-in and hostingFreemium
Spline MCPby SplineYC W21Connect an AI agent to build and edit live 3D scenes in SplineFreemium
DeepEvalby Confident AIYC W25Open-source LLM evaluation framework for testing AI agents and appsUnknown
Roboflowby RoboflowYC S20Vision AI platform for building, training, deploying and monitoring computer vision applications.Freemium
Paragonby ParagonYC W20Integration infrastructure for AI agents and SaaS productsContact sales
Evidently AIby Evidently AIYC S21Open-source AI evaluation and observability for LLMs and ML modelsUnknown
Vogentby VogentYC S21A platform for building, testing, and deploying conversational voice AI agents.Unknown
OpenCodeby AnomalyYC W21Open source AI coding agent for terminal, desktop, and IDEFreemium
Vapiby VapiYC W21Developer platform for building and deploying voice AI agentsPay as you go
Intunedby IntunedYC S22Code-first browser automation platform with an AI agent for building and maintaining automations.Freemium
Reflex AI Builderby ReflexYC W23Build and test custom Python applications with AIUnknown
HumanLayerby HumanLayerYC F24A collaborative coding-agent workspace for coordinating tasks, sessions, artifacts and code changes.Unknown
Freestyle VMsby FreestyleYC S24Give AI agents persistent Linux machines for long-running tasksFreemium
CodeVizby CodeVizYC S24AI-assisted codebase maps and architecture diagrams in VS Code.Freemium
Comfy Deployby Comfy DeployYC S24Hosted ComfyUI workflows, shareable with teams and deployable as APIsUnknown
Spurby SpurYC S24AI-assisted QA testing for web and native mobile experiences.Contact sales
Magnitudeby MagnitudeYC S25Local open-model inference engine with hardware-tuned kernels, desktop app, and CLI.Free
OpenSpecby OpenSpecYC W26A lightweight, configurable framework for writing and managing software specs alongside AI coding toolsFree