Category — Dev Tools

313 Dev Tools startups worth watching

A curated index of dev tools companies — from bootstrapped indie hackers to venture-backed category-defining startups. Updated weekly.

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Run code in the cloud without managing infra
Vercel
The frontend cloud — build, deploy, iterate
Supabase
Build in a weekend. Scale to millions.
Linear
The issue tracker built for high-performance teams
PostHog
The open-source product analytics platform
Neon
Serverless Postgres with branching for developers
Mintlify
Beautiful documentation that writes itself
Convex
The reactive backend platform for TypeScript
Turso
SQLite for production at the edge
Inngest
Durable background jobs and workflows in your code
Upstash
Serverless Redis & Kafka for modern applications
Warp
The AI-powered terminal for modern developers
Retool
Build internal tools remarkably fast
Raycast
Your shortcut to everything on your Mac
Depot
Docker builds in the cloud, 10x faster
Trigger.dev
Open-source background jobs for modern TypeScript apps
Zed
A high-performance, multiplayer code editor
Tinybird
Real-time analytics APIs at any scale
PlanetScale
The MySQL database platform for scaling teams
Fly.io
Deploy app servers close to your users
Railway
Deploy instantly, scale infinitely, sleep soundly
Novu
Open-source notification infrastructure for developers
Stainless
Quality SDKs for your REST API
Browserbase
Headless browser infrastructure for AI agents
Helicone
Open source LLM observability for production AI
Langfuse
Open source LLM engineering platform
Firecrawl
Web scraping API built for LLMs
E2B
Secure code execution sandboxes for AI agents
Codeium
AI code assistant and Windsurf IDE
Gitpod
Cloud development environments for any codebase
Dagger
Portable CI/CD pipelines as runnable code
Buildkite
Fast, scalable CI/CD running on your own infrastructure
Highlight
Open source full-stack monitoring and error tracking
Xata
Serverless database platform built on Postgres
ElectricSQL
Local-first sync engine for Postgres applications
MotherDuck
Serverless analytics platform powered by DuckDB
Redpanda
Kafka-compatible streaming platform without the complexity
Liveblocks
APIs for building collaborative multiplayer experiences
Instant
Realtime database for modern applications
LiveKit
Open source WebRTC and real-time AI infrastructure
Nango
Open source platform for product integrations
Stytch
Flexible authentication APIs for every use case
Socket
Supply chain security for open source dependencies
Evidence
Open source business intelligence with Markdown and SQL
Jam
One-click bug reports that developers actually love
Windmill
Open source developer platform for scripts and workflows
Airbyte
Open source data integration platform
Dagster
Cloud-native data orchestration platform
Prefect
Workflow orchestration for data and ML teams
Marimo
Reactive Python notebooks you can deploy as apps
ReJot
We turn complex API integrations into drop-in full-stack libraries
Promptless
An AI teammate that automatically updates customer docs
Mentra
Building the open source smart glasses operating system.
Artifact
A Collaborative, AI-native IDE for Hardware Engineers
Browser Use
Leading open-source web agent project with 50k stars in 3 months
Woz
Claude Code plugin that reduces token consumption and cost by 50%
Onlook
Cursor for Designers
Doublezero
Platform to build, use, and monetize fully autonomous agents
Quetzal
LLM-first translation and internationalization for software
Haystack
AI review layer that decides which code changes need attention
Winfunc
AI-native security engineering for mission critical codebases
Comfy Deploy
ComfyUI for everyone on your team
Pipeshift
Inference for real-time agents
Keet
Authentication for AI Agents
Random Labs
Building long running autonomous coding agents
Ellipsis
AI code reviews and bug fixes
Firebender
Most powerful coding agent for Android engineers
Stainless
Auto-generate idiomatic SDKs from your API
Speakeasy
Enterprise-grade SDKs and API tooling
Zuplo
Programmable API gateway for developer teams
Appwrite
Open source backend platform for web and mobile
SST
Infrastructure framework for full-stack serverless apps
Encore
Developer-first backend framework with built-in infra
Render
The fastest way to deploy any web app
Hoppscotch
Open source API development ecosystem
PocketBase
Open source backend in a single file
Wasp
Open source full-stack web framework for React and Node
Snyk
Developer security platform to build secure software fast
Semgrep
Code security and static analysis at dev speed
ReadMe
Beautiful, interactive API documentation
Grafbase
GraphQL platform with edge caching and federation
Scalar
Beautiful open source API references and clients
Penpot
Open source design tool for cross-functional teams
Aikido Security
Developer-first security scanning for modern stacks
Endor Labs
Application security for the age of AI-generated code
Meltano
Open source DataOps platform for data engineers
ToolJet
Open source low-code platform for internal tools
Trieve
Search infrastructure with hybrid retrieval for AI apps
Tembo
Managed Postgres platform with AI superpowers
Pieces for Developers
On-device AI that understands your entire dev workflow
Treblle
API observability and developer experience platform
Turntable
Collaborative SQL notebooks for data teams
Requestly
Browser extension and proxy for API mocking and testing
OpenStatus
Open source monitoring and status page platform
Coder
Self-hosted remote development environments
Daytona
Open-source dev container management platform
Pulumi
Infrastructure as code using real programming languages
Spacelift
Collaborative IaC management for teams
Infracost
Cloud cost estimates in pull requests
Cerbos
Open-source authorisation layer for any stack
Permit.io
Full-stack permissions and access control
Better Stack
Uptime monitoring, logs, and incident management
Checkly
Monitoring and E2E testing for developers
Axiom
Serverless log management and event data platform
SigNoz
Open-source observability — logs, metrics, traces
Netdata
Real-time performance monitoring for servers and apps
Temporal
Durable execution engine for reliable workflows
Knock
Flexible notification infrastructure for developers
Courier
Multi-channel notifications API for product teams
Earthly
Containerised CI/CD builds that run anywhere
Nx
Smart monorepo build system and dev tooling
Bun
Incredibly fast JavaScript runtime and toolkit
Deno
Secure JavaScript runtime built on V8 and Rust
Prisma
Next-generation ORM for Node.js and TypeScript
Directus
Open-source data platform and headless CMS
Appsmith
Open-source low-code platform for internal tools
Budibase
Low-code platform for building internal apps fast
NocoDB
Open-source Airtable alternative on your database
Baserow
Open-source no-code database and Airtable alternative
Payload CMS
TypeScript-native headless CMS and app framework
Drizzle ORM
Lightweight TypeScript ORM with full SQL control
Tauri
Build smaller, faster, more secure desktop apps
QuestDB
Fast open-source time series database
WunderGraph
API integration platform and GraphQL federation
Biome
Fast formatter and linter for JavaScript and TypeScript
Wiz
Cloud security platform for modern infrastructure
Doppler
Universal secrets manager for teams
Infisical
Open-source secret management platform
Teleport
Zero-trust infrastructure access for distributed teams
Tailscale
Zero-config private network based on WireGuard
Vanta
Automated security compliance for SOC 2 and ISO 27001
Drata
Continuous security compliance automation
Escape
API security testing and DAST for developers
Cube
Semantic layer for data applications
Mux
Video infrastructure API for developers
Remotion
Create videos programmatically with React
api.video
Video API for uploading, encoding, and streaming
Replit
Code, collaborate, and deploy from your browser
GitButler
A modern Git client that rethinks branching
Mastra
The TypeScript framework for building AI agents
Blacksmith
2x faster GitHub Actions with zero config changes
Layercode
Real-time AI voice and video pipelines as infrastructure
Glide
Turn spreadsheets into beautiful apps without code
Omni
Modern BI combining SQL power with no-code ease
Flare
Monitor your dark web exposure and external attack surface
Halcyon
The only platform purpose-built to defeat ransomware
Transcend
Automate data privacy compliance across your whole stack
Pomerium
Zero-trust access proxy — internal apps without VPN
Luzmo
Embed powerful analytics into your SaaS product
CodeSandbox
Instant cloud dev environments for your whole team
Effect
The missing standard library for TypeScript
Dokploy
Self-hosted Heroku alternative for any VPS
Bemi
Automatic audit trails for PostgreSQL without code changes
Val Town
JavaScript functions deployed instantly from your browser
Outerbase
The interface layer for your database
Chromatic
Visual testing and review for UI components
PeerDB
Fast, native CDC and ETL purpose-built for Postgres
Logto
Modern auth infrastructure for developers
Briefer
Collaborative SQL notebooks for data teams
Koi (Acquired by Palo Alto Networks)
Secure anything with an install button
Comfy
Building ComfyUI
Glide
Software that moves with you
Span
Developer intelligence platform
Blacksmith
The fastest way to run your GitHub Actions
SpruceID
Identity management platform
Linx
Identity security platform
Conductor
Run a team of coding agents on your Mac
depthfirst
Securing the world's software
Spiral
Data infrastructure for physical AI
Doss
Adaptive ERP and data platform
Dawnguard
Security starts with design
Ngrok
Ngrok
Count
Figma for data teams
Rapider AI
No-code app development platform
Zenlytic
Self-service business intelligence
Tempest
Enterprise-grade developer platform
Fingerprint
Identify visitors you can trust
Arize
AI observability & LLM evaluation
Sentry
App monitoring software
Rootly
The only multi-cloud on-call solution
Paragon
Embedded integration platform for SaaS
Alice & Bob
Building the first quantum computer
StackBlitz
Creators of Bolt
Xano
Scalable no-code backend for apps
Cortex
Internal developer portal
Alloy Automation
Embedded iPaaS platform for product teams
Halycon
Ransomware detection platform
Vantage
A cloud cost observability platform
Bureau
No-code identity decisioning platform
Anomalo
Enterprise data quality monitoring
Token Security
Machine-first identity security
Pulse
Production-grade unstructured document extraction
Port IO
Internal tools hub for devs
Plural
Kubernetes made simple
Pythagora
Build internal tools with AI
HoneyHive
Modern AI observability and evaluation
Riza
Riza
Cinder
Trust and safety operations platform
StackOne
Ship hundreds of integrations in days
Persona
Identiy infrastructure for the AI age
Marqo
Smarter search, higher conversion
Sent
Unified API for messaging
Vectara
GenAI platform for enterprises
Superblocks
Programmable internal tooling platform for developers
Chalk
Chalk
Mainframe
Generative computing
Adaptive Security
Adaptive Security
Lumos
The Autonomous Identity Platform
Fern
Instant docs and SDKs for your API
Leen
Unified API for security tools and data
Superlinked
Turn complex data into vector embeddings
Nile
PostgreSQL reengineered for multi-tenant apps
Spur
Don't make your users QA your product
Prefect
Workflow managment for data teams
Footprint
Frictionless KYC + KYB
Onyx
Open source AI connected to your work
Merge
One API to 100s of integrations
Tines
The workflow and AI orchestration platform
Mage
Open-source data pipeline tool
TigerData
Creators of TimescaleDB
San Francisco Compute Company
Rentable, large, low-cost pre-training clusters
Interfere
Build software that can fix itself
Ranger
Fast, reliable QA testing
Sola Security
The no-BS security app studio
Pinecone
Vector database for vector search
Aegis AI
AI native email security
Gensyn
The network for machine intelligence
Tracer
HPC for life sciences
Prismic
Headless page builder
GitBook
GitBook
Langbase
Serverless AI developer platform
bem
The AI data interface
CodeRabbit
AI code reviews
Martian
AI interpretability tooling
Polar
Open-source monetization platform
Edera
Secure-by-design Kubernetes
Polars
DataFrames for the new era
Dash0
AI-native observability platform
Pierre
Joyful code review
Filigran
End-to-end cyber threat platform
Base
Building America's next-gen power company
David AI
The data layer for audio AI
Opal Security
Security built for every identity
ZeroEntropy
World-class agentic retrieval on autopilot
Reducto
Document ingestion API
Inference
Inference
Chainguard
Safe source for open source
Ona
Autonomous SWE agents
Rerun
The multimodal data stack
VoidZero
Next generation JavaScript toolchain
Sublime Security
AI-powered email security platform
Speakeasy
Generate MCP servers & SDKs from OpenAPI
Tekeskope
Agentic security platform
Tavily
Connect your agent to the web
Sweet Security
A new flavor of CNAPP
Console
AI coworker for IT
Eventual
Creators of Daft
SafetyKit
Protect your platform with AI agents
Doppel
AI-native digital risk protection
Zo Computer
The intelligent cloud comptuer
Composite
Autopilot for your browser
Momentic
Ship fast with AI testing
Tenzai
AI hacker for security teams
Anything
Build something real
Suger
GTM for cloud marketplaces
Echo
Delivering CVE-free container base images
Tilde
Interpreter models to optimize AI deployments
Ditto
Resilient edge device connectivity
Truffle Security
Unearth your secrets
Graphite (acq. by Cursor)
The developer productivity platform
Flint
The autonomous website platform
Structify
Data independence for all
Torq
Autonomous security operations
RunPod
Deploy full-stack AI applications
Moderne
Mass-scale automated code refactoring
Antimetal
For everything that happens after you deploy
Activeloop
Enterprise AI search
Agno
Lightweight library for building multimodal agents
Anvil
Document SDK for product teams
Apheris
Governed, private, secure data access for ML and analytics
Atlas Data Storage
Atlas Data Storage
Backline
AI agents to automate security backlogs
Bardeen
Bardeen
Basedash
The AI-native business intelligence platform
Upwind
Cloud security happens at runtime
Boxo
Turn apps into Super Apps
Bun
Bun
Buster
The open-source AI data analyst
Bronto
Logging layer for AI
Outtake
Cyber agents for any digital threat
Charm
We make the command line glamorous
Chroma
Retrieval for AI
Clover Security
AI-driven product security
Daylight Security
Managed agentic security services
Driver
Create high-quality technical documentation
DualBird
Data & AI infra engine
Duna
AI-native KYB
Goodfire
Advancing AI interpretability research
Entire
The world's next developer platform
Vega
AI-native security analytics
Render
Cloud application hosting for developers
Trunk
CI reliability for high-velocity engineering teams
Obvious (fka Flatfile)
Smart APIs for file-based data import
Kernel
Browser infra for web agents and automations
Swap
Agentic commerce infra
Tracebit
The answer to Assume Breach
Tembo
Background agents for technical teams
Instant
A modern Firebase
Cape
Cape is the privacy-first mobile network
Cloaked
Protect your data by generating unlimited identities
Supermemory
Universal memory API for AI apps
Sanity
The Content Operating System
Astral
Next-gen Python tooling